Records 2,001–2,400 — What can be mailed: USPS hazardous materials, plus item rules for post and couriers

Records 2,001 to 2,400 of 3,068. Each links to its own page, which carries the source URL and the quoted line that states the value.

• Organic peroxide type B, liquid · USPSOrganic peroxide type B, liquid 5.2 UN3101 II 5A 5A
• Organic peroxide type B, liquid, temperature controlled · USPSOrganic peroxide type B, liquid, temperature controlled 5.2 UN3111 II Prohibited Prohibited
• Organic peroxide type B, solid · USPSOrganic peroxide type B, solid 5.2 UN3102 II 5A 5A
• Organic peroxide type B, solid, temperature controlled · USPSOrganic peroxide type B, solid, temperature controlled 5.2 UN3112 II Prohibited Prohibited
• Organic peroxide type C, liquid · USPSOrganic peroxide type C, liquid 5.2 UN3103 II 5A 5A
• Organic peroxide type C, liquid, temperature controlled · USPSOrganic peroxide type C, liquid, temperature controlled 5.2 UN3113 II Prohibited Prohibited
• Organic peroxide type C, solid · USPSOrganic peroxide type C, solid 5.2 UN3104 II 5A 5A
• Organic peroxide type C, solid, temperature controlled · USPSOrganic peroxide type C, solid, temperature controlled 5.2 UN3114 II Prohibited Prohibited
• Organic peroxide type D, liquid · USPSOrganic peroxide type D, liquid 5.2 UN3105 II 5A 5A
• Organic peroxide type D, liquid, temperature controlled · USPSOrganic peroxide type D, liquid, temperature controlled 5.2 UN3115 II Prohibited Prohibited
• Organic peroxide type D, solid · USPSOrganic peroxide type D, solid 5.2 UN3106 II 5A 5A
• Organic peroxide type D, solid, temperature controlled · USPSOrganic peroxide type D, solid, temperature controlled 5.2 UN3116 II Prohibited Prohibited
• Organic peroxide type E, liquid · USPSOrganic peroxide type E, liquid 5.2 UN3107 II 5A 5A
• Organic peroxide type E, liquid, temperature controlled · USPSOrganic peroxide type E, liquid, temperature controlled 5.2 UN3117 II Prohibited Prohibited
• Organic peroxide type E, solid · USPSOrganic peroxide type E, solid 5.2 UN3108 II 5A 5A
• Organic peroxide type E, solid, temperature controlled · USPSOrganic peroxide type E, solid, temperature controlled 5.2 UN3118 II Prohibited Prohibited
• Organic peroxide type F, liquid · USPSOrganic peroxide type F, liquid 5.2 UN3109 II 5A 5A
• Organic peroxide type F, liquid, temperature controlled · USPSOrganic peroxide type F, liquid, temperature controlled 5.2 UN3119 II Prohibited Prohibited
• Organic peroxide type F, solid · USPSOrganic peroxide type F, solid 5.2 UN3110 II 5A 5A
• Organic peroxide type F, solid, temperature controlled · USPSOrganic peroxide type F, solid, temperature controlled 5.2 UN3120 II Prohibited Prohibited
• Organic peroxides (Division 5.2) not qualifying as Limited Quantity · USPSDivision 5.2, Organic Peroxides: Organic peroxides are nonmailable unless they qualify as Limited Quantity air or Limited Quantity surface.
• Organic pigments, self-heating · USPSOrganic pigments, self-heating 4.2 UN3313 II, III Prohibited Prohibited
• Organoarsenic compound, liquid, n.o.s. · USPS · I, IIOrganoarsenic compound, liquid, n.o.s. 6.1 UN3280 I, II Prohibited Prohibited
• Organoarsenic compound, liquid, n.o.s. · USPS · IIIOrganoarsenic compound, liquid, n.o.s. 6.1 UN3280 III 6A 6A
• Organoarsenic compound, solid, n.o.s. · USPS · IOrganoarsenic compound, solid, n.o.s. 6.1 UN3465 I Prohibited Prohibited
• Organoarsenic compound, solid, n.o.s. · USPS · II, IIIOrganoarsenic compound, solid, n.o.s. 6.1 UN3465 II, III 6A 6A
• Organochlorine pesticide, liquid, toxic · USPS · I, IIOrganochlorine pesticide, liquid, toxic 6.1 UN2996 I, II Prohibited Prohibited
• Organochlorine pesticide, liquid, toxic · USPS · IIIOrganochlorine pesticide, liquid, toxic 6.1 UN2996 III 6A 6A
• Organochlorine pesticides liquid, flammable, toxic, flashpoint less than 23° C · USPSOrganochlorine pesticides liquid, flammable, toxic, flashpoint less than 23° C 3 UN2762 I, II Prohibited Prohibited
• Organochlorine pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPS · I, IIOrganochlorine pesticides, liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN2995 I, II Prohibited Prohibited
• Organochlorine pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPS · IIIOrganochlorine pesticides, liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN2995 III 6A 6A
• Organochlorine pesticides, solid, toxic · USPS · I, IIOrganochlorine pesticides, solid, toxic 6.1 UN2761 I, II Prohibited Prohibited
• Organochlorine pesticides, solid, toxic · USPS · IIIOrganochlorine pesticides, solid, toxic 6.1 UN2761 III 6A 6A
• Organometallic compound, toxic, liquid, n.o.s. · USPS · I, IIOrganometallic compound, toxic, liquid, n.o.s. 6.1 UN3282 I, II Prohibited Prohibited
• Organometallic compound, toxic, liquid, n.o.s. · USPS · IIIOrganometallic compound, toxic, liquid, n.o.s. 6.1 UN3282 III 6A 6A
• Organometallic compound, toxic, solid, n.o.s. · USPS · I, IIOrganometallic compound, toxic, solid, n.o.s. 6.1 UN3467 I, II Prohibited Prohibited
• Organometallic compound, toxic, solid, n.o.s. · USPS · IIIOrganometallic compound, toxic, solid, n.o.s. 6.1 UN3467 III 6A 6A
• Organometallic substance, liquid, pyro9phoric, water-reactive · USPSOrganometallic substance, liquid, pyro9phoric, water-reactive 4.2 UN3394 I Prohibited Prohibited
• Organometallic substance, liquid, pyrophoric · USPSOrganometallic substance, liquid, pyrophoric 4.2 UN3392 I Prohibited Prohibited
• Organometallic substance, liquid, pyrophoric, water-reactive · USPSOrganometallic substance, liquid, pyrophoric, water-reactive 4.3 UN3398 I, II, III Prohibited Prohibited
• Organometallic substance, liquid, pyrophoric, water-reactive, flammable · USPSOrganometallic substance, liquid, pyrophoric, water-reactive, flammable 4.3 UN3399 I, II, III Prohibited Prohibited
• Organometallic substance, solid, pyrophoric · USPSOrganometallic substance, solid, pyrophoric 4.2 UN3391 I Prohibited Prohibited
• Organometallic substance, solid, pyrophoric, water-reactive · USPSOrganometallic substance, solid, pyrophoric, water-reactive 4.2 UN3393 I Prohibited Prohibited
• Organometallic substance, solid, self heating · USPSOrganometallic substance, solid, self heating 4.2 UN3400 II, III Prohibited Prohibited
• Organometallic substance, solid, water-reactive · USPSOrganometallic substance, solid, water-reactive 4.3 UN3395 I, II, III Prohibited Prohibited
• Organometallic substance, solid, water-reactive, flammable · USPSOrganometallic substance, solid, water-reactive, flammable 4.3 UN3396 I, II, III Prohibited Prohibited
• Organometallic substance, solid, water-reactive, self-heating · USPSOrganometallic substance, solid, water-reactive, self-heating 4.3 UN3397 I, II, III Prohibited Prohibited
• Organophosphorus compound, toxic, flammable, n.o.s. · USPSOrganophosphorus compound, toxic, flammable, n.o.s. 6.1 UN3279 I, II Prohibited Prohibited
• Organophosphorus compound, toxic, liquid, n.o.s. · USPS · I, IIOrganophosphorus compound, toxic, liquid, n.o.s. 6.1 UN3278 I, II Prohibited Prohibited
• Organophosphorus compound, toxic, liquid, n.o.s. · USPS · IIIOrganophosphorus compound, toxic, liquid, n.o.s. 6.1 UN3278 III 6A 6A
• Organophosphorus compound, toxic, solid, n.o.s. · USPS · I, IIOrganophosphorus compound, toxic, solid, n.o.s. 6.1 UN3464 I, II Prohibited Prohibited
• Organophosphorus compound, toxic, solid, n.o.s. · USPS · IIIOrganophosphorus compound, toxic, solid, n.o.s. 6.1 UN3464 III 6A 6A
• Organophosphorus pesticides, liquid, flammable, toxic, flashpoint less than 23° C · USPSOrganophosphoruspesticides,liquid, flammable, toxic, flashpoint less than 23° C 3 UN2784 I, II Prohibited Prohibited
• Organophosphorus pesticides, liquid, toxic · USPS · I, IIOrganophosphorus pesticides, liquid, toxic 6.1 UN3018 I, II Prohibited Prohibited
• Organophosphorus pesticides, liquid, toxic · USPS · IIIOrganophosphorus pesticides, liquid, toxic 6.1 UN3018 III 6A 6A
• Organophosphorus pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPSOrganophosphoruspesticides,liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN3017 I, II Prohibited Prohibited
• Organophosphorus pesticides, solid, toxic · USPS · I, IIOrganophosphorus pesticides, solid, toxic 6.1 UN2783 I, II Prohibited Prohibited
• Organophosphorus pesticides, solid, toxic · USPS · IIIOrganophosphorus pesticides, solid, toxic 6.1 UN2783 III 6A 6A
• Organophosphoruspesticides,liquid, flammable, toxic, flashpoint less than 23° C · USPSOrganophosphoruspesticides,liquid, flammable, toxic, flashpoint less than 23° C 3 UN2784 I, II Prohibited Prohibited
• Organophosphoruspesticides,liquid, toxic, flammable, flashpoint not less than 23° C · USPS · I, IIOrganophosphoruspesticides,liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN3017 I, II Prohibited Prohibited
• Organophosphoruspesticides,liquid, toxic, flammable, flashpoint not less than 23° C · USPS · IIIOrganophosphoruspesticides,liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN3017 III 6A 6A
• Organotin compounds, liquid, n.o.s · USPSOrganotin compounds, liquid, n.o.s 6.1 UN2788 III 6A 6A
• Organotin compounds, liquid, n.o.s. · USPSOrganotin compounds, liquid, n.o.s. 6.1 UN2788 I, II Prohibited Prohibited
• Organotin compounds, solid, n.o.s. · USPS · I, IIOrganotin compounds, solid, n.o.s. 6.1 UN3146 I, II Prohibited Prohibited
• Organotin compounds, solid, n.o.s. · USPS · IIIOrganotin compounds, solid, n.o.s. 6.1 UN3146 III 6A 6A
• Organotin pesticides, liquid, flammable, toxic, flashpoint less than 23° C · USPSOrganotin pesticides, liquid, flammable, toxic, flashpoint less than 23° C 3 UN2787 I, II Prohibited Prohibited
• Organotin pesticides, liquid, toxic · USPS · I, IIOrganotin pesticides, liquid, toxic 6.1 UN3020 I, II Prohibited Prohibited
• Organotin pesticides, liquid, toxic · USPS · IIIOrganotin pesticides, liquid, toxic 6.1 UN3020 III 6A 6A
• Organotin pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPS · I, IIOrganotin pesticides, liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN3019 I, II Prohibited Prohibited
• Organotin pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPS · IIIOrganotin pesticides, liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN3019 III 6A 6A
• Organotin pesticides, solid, toxic · USPS · I, IIOrganotin pesticides, solid, toxic 6.1 UN2786 I, II Prohibited Prohibited
• Organotin pesticides, solid, toxic · USPS · IIIOrganotin pesticides, solid, toxic 6.1 UN2786 III 6A 6A
• Osmium tetroxide · USPSOsmium tetroxide 6.1 UN2471 I Prohibited Prohibited
• Other perishables · FedExOther perishables
• Other regulated substances, liquid, n.o.s. · USPSOther regulated substances, liquid, n.o.s. 9 NA3082 III 9C 9C
• Other regulated substances, solid, n.o.s. · USPSOther regulated substances, solid, n.o.s. 9 NA3077 III 9C 9C
• Oxidising materials and organic peroxides · Royal Mail Wholesale (Access customers)These are substances such as disinfectants that may cause or contribute to combustion of other substances. They may also be liable to explosive decomposition, react dangerously wit
• Oxidising materials or organic peroxides · Royal Mail / Post OfficeOxidising materials or organic peroxides (including disinfectants, nitrates and hair dyes or colourants containing peroxide) These are substances such as disinfectants that may cau
• Oxidizing liquid, corrosive, n.o.s. · USPS · I, IIOxidizing liquid, corrosive, n.o.s. 5.1 UN3098 I, II Prohibited Prohibited
• Oxidizing liquid, corrosive, n.o.s. · USPS · IIIOxidizing liquid, corrosive, n.o.s. 5.1 UN3098 III 5A 5A
• Oxidizing liquid, n.o.s. · USPS · IOxidizing liquid, n.o.s. 5.1 UN3139 I Prohibited Prohibited
• Oxidizing liquid, n.o.s. · USPS · II, IIIOxidizing liquid, n.o.s. 5.1 UN3139 II, III 5A 5A
• Oxidizing liquid, toxic, n.o.s. · USPS · I, IIOxidizing liquid, toxic, n.o.s. 5.1 UN3099 I, II Prohibited Prohibited
• Oxidizing liquid, toxic, n.o.s. · USPS · IIIOxidizing liquid, toxic, n.o.s. 5.1 UN3099 III 5A 5A
• Oxidizing solid, corrosive, n.o.s. · USPS · I, IIOxidizing solid, corrosive, n.o.s. 5.1 UN3085 I, II Prohibited Prohibited
• Oxidizing solid, corrosive, n.o.s. · USPS · IIIOxidizing solid, corrosive, n.o.s. 5.1 UN3085 III 5A 5A
• Oxidizing solid, flammable, n.o.s. · USPSOxidizing solid, flammable, n.o.s. 5.1 UN3137 I Prohibited Prohibited
• Oxidizing solid, n.o.s. · USPS · IOxidizing solid, n.o.s. 5.1 UN1479 I Prohibited Prohibited
• Oxidizing solid, n.o.s. · USPS · II, IIIOxidizing solid, n.o.s. 5.1 UN1479 II, III 5A 5A
• Oxidizing solid, self-heating, n.o.s. · USPSOxidizing solid, self-heating, n.o.s. 5.1 UN3100 II Prohibited Prohibited
• Oxidizing solid, toxic, n.o.s. · USPS · I, IIOxidizing solid, toxic, n.o.s. 5.1 UN3087 I, II Prohibited Prohibited
• Oxidizing solid, toxic, n.o.s. · USPS · IIIOxidizing solid, toxic, n.o.s. 5.1 UN3087 III 5A 5A
• Oxidizing solid, water reactive, n.o.s. · USPSOxidizing solid, water reactive, n.o.s. 5.1 UN3121 n/a Prohibited Prohibited
• Oxidizing substances and organic peroxides (Hazard Class 5) — international mail · USPSInternational Mail: All oxidizing substances and organic peroxides are prohibited.
• Oxidizing substances or organic peroxides qualifying as Limited Quantity · USPSDomestic Mail via Air or Surface Transportation: Oxidizing substances or organic peroxides that qualify as Limited Quantity air or Limited Quantity surface are permitted.
• Oxygen, compressed · USPSOxygen, compressed 2.2 UN1072 n/a 2B 2B
• Oxygen, Compressed (UN1072) — Division 2.2 nonflammable gas · USPSOxygen, Compressed (UN1072): Division 2.2 nonflammable gas. Compressed oxygen is mailable if it qualifies as a Limited Quantity material
• Oxygen difluoride, compressed · USPSOxygen difluoride, compressed 2.3 UN2190 n/a Prohibited Prohibited
• Oxygen generator, chemical, spent · USPSOxygen generator, chemical, spent 9 NA3356 III Prohibited Prohibited
• Oxygen, refrigerated liquid (cryogenic liquid) · USPSOxygen,refrigeratedliquid (cryogenic liquid) 2.2 UN1073 n/a Prohibited Prohibited
• Oxygen, Refrigerated Liquid (UN1073) · USPSOxygen, Refrigerated Liquid (UN1073): (Also known as liquid oxygen) is prohibited from mailing under any circumstances.
• Oxygen,refrigeratedliquid (cryogenic liquid) · USPSOxygen,refrigeratedliquid (cryogenic liquid) 2.2 UN1073 n/a Prohibited Prohibited
• p-Diazidobenzene · USPSp-Diazidobenzene Forbidden Prohibited Prohibited Prohibited Prohibited
• p-Nitrosodimethylaniline · USPSp-Nitrosodimethylaniline 4.2 UN1369 II Prohibited Prohibited
• p-Xylyl diazide · USPSp-Xylyl diazide Forbidden Prohibited Prohibited Prohibited Prohibited
• Packages containing alcoholic beverages (wine, beer, or spirits) · UPSPackages containing alcoholic beverages (wine, beer, or spirits) are accepted for transportation only as a contractual service and only from Shippers who are licensed and authorize
• Packages containing dry ice (carbon dioxide, solid) as a refrigerant · UPSPackages containing dry ice (carbon dioxide, solid) as a refrigerant, but no other Hazardous Materials, are accepted for transportation within the United States via UPS Ground and
• Packages containing firearms · UPSPackages containing firearms (as defined by Title 18, Chapter 44, and Title 26, Chapter 53 of the United States Code) and firearm parts that do not constitute firearms as defined b
• Packages containing hazardous waste · UPSPackages containing hazardous waste, defined as a solid waste that meets any of the criteria of hazardous waste as described in 40 C.F.R. § 261.3, are not accepted for transportati
• Packages containing marijuana, as defined in 21 U.S.C. § 802(16) · UPSPackages containing marijuana, as defined in 21 U.S.C. § 802(16), including marijuana intended for medicinal use;
• Packages containing raw hemp · UPSPackages containing raw hemp are accepted for transportation only as a contractual service. To receive service for Packages containing hemp, the Shipper must enter into an approved
• Packages with an actual weight of more than 150 pounds · UPSPackages with an actual weight of more than 150 pounds, or Packages that when measured to determine the billable weight exceed 108 inches in length, or exceed a total of 165 inches
• Packages with duplicate or previously used shipping labels · UPSPackages with duplicate or previously used shipping labels, Packages with a label that has been altered or created without UPS’s express authorization or processed or tendered in a
• Paint · USPSFlammable or combustible paint and paint-related items are generally accepted for mailing, provided the material can qualify as a consumer commodity material or ORM-D (for surface
• Paint and related items (UN1263) — lacquer, varnish, shellac, etc. · USPSPaint and Related Items (UN1263): A flammable or combustible liquid, which includes items such as lacquer, paint-thinning or paint-drying compounds, shellac, varnish, liquid alumin
• Paint or Paint related material · USPSPaint or Paint related material 8 UN3066 II, III 8A 8A
• Paper, unsaturated oil treated incompletely dried (including carbon paper) · USPSPaper, unsaturated oil treated incompletely dried (including carbon paper) 4.2 UN1379 III Prohibited Prohibited
• Paraformaldehyde · USPSParaformaldehyde 4.1 UN2213 III Prohibited 4A
• Paraldehyde · USPSParaldehyde 3 UN1264 III Prohibited 3A
• Parathion and compressed gas mixture · USPSParathion and compressed gas mixture 2.3 NA1967 n/a Prohibited Prohibited
• Passports and other official forms of identification · Royal Mail / ParcelforceThese must be classified as Proof of Identity and shown clearly on the relevant customs declaration.
• Pentachloroethane · USPSPentachloroethane 6.1 UN1669 II Prohibited Prohibited
• Pentachlorophenol · USPSPentachlorophenol 6.1 UN3155 II Prohibited Prohibited
• Pentaerythrite tetranitrate (dry) · USPSPentaerythrite tetranitrate (dry) Forbidden Prohibited Prohibited
• Pentafluoroethane or Refrigerant gas R 125 · USPSPentafluoroethane or Refrigerant gas R 125 2.2 UN3220 n/a 2B 2B
• Pentamethylheptane · USPSPentamethylheptane 3 UN2286 III Prohibited 3A
• Pentane-2,4-dione · USPSPentane-2,4-dione 3 UN2310 III Prohibited 3A
• Pentanes · USPSPentanes 3 UN1265 I, II Prohibited 3A
• Pentanitroaniline (dry) · USPSPentanitroaniline (dry) Forbidden Prohibited Prohibited Prohibited Prohibited
• Pentanols · USPSPentanols 3 UN1105 II, III Prohibited 3A
• Pentaporane · USPSPentaporane 4.2 UN1380 I Prohibited Prohibited
• Pentolite, dry or wetted with less than 15 percent water, by mass · USPSPentolite, dry or wetted with less than 15 percent water, by mass 1.1D UN0151 II Prohibited Prohibited
• Perchlorates, inorganic, aqueous solution, n.o.s. · USPSPerchlorates, inorganic, aqueous solution, n.o.s. 5.1 UN3211 II, III 5A 5A
• Perchlorates, inorganic, n.o.s. · USPSPerchlorates, inorganic, n.o.s. 5.1 UN1481 II, III 5A 5A
• Perchloric acid · USPSPerchloric acid.
• Perchloric acid, with more than 72 percent acid by mass · USPSPerchloric acid, with more than 72 percent acid by mass Forbidden Prohibited Prohibited Prohibited Prohibited
• Perchloric acid with not more than 50 percent acid by mass · USPSPerchloric acid with not more than 50 percent acid by mass 8 UN1802 II Prohibited Prohibited
• Perchloromethyl mercaptan · USPSPerchloromethyl mercaptan 6.1 UN1670 I Prohibited Prohibited
• Perchloryl fluoride · USPSPerchloryl fluoride 2.3 UN3083 n/a Prohibited Prohibited
• Perfluoro (ethyl vinyl ether) · USPSPerfluoro (ethyl vinyl ether) 2.1 UN3154 n/a Prohibited 2A
• Perfluoro (methyl vinyl ether) · USPSPerfluoro (methyl vinyl ether) 2.1 UN3153 n/a Prohibited 2A
• Perfume containing alcohol · USPSPerfume containing alcohol may not be shipped internationally or mailed domestically using air transportation.
• Perfumery products with flammable solvents · USPSPerfumery products with flammable solvents 3 UN1266 II, III Prohibited 3A
• Perfumes · USPSPerfume containing alcohol may not be shipped internationally or mailed domestically using air transportation. Perfume containing alcohol, however, may be shipped within the United
• Perfumes and aftershaves · Royal Mail / Post OfficePerfumes and aftershaves (including eau de parfum and eau de toilette and alcohol-free perfumes, but excluding non-flammable perfumed creams, gels, oils or lotions) International –
• Perfumes and aftershaves (counter guidance) · Royal Mail / ParcelforcePerfumes and aftershaves (including eau de parfum and eau de toilette) Packaging guidelines: Volume per item must not exceed 150ml. No more than four items in any one parcel.
• Perishable Commodities · UPSUPS does not provide a protective service for the transportation of Perishable Commodities.
• Perishable items · Royal Mail / Post OfficePerishable items (including flowers, fresh fruit, vegetables and frozen or chilled foodstuffs) International – not allowed in the mail UK – allowed in the mail, see restrictions an
• Perishable Items · USPSPerishable items are materials that can deteriorate in the mail, such as live animals, food, and plants. Permissible perishable items are sent at the mailer’s own risk. These items
• Permanganates, inorganic, aqueous solution, n.o.s. · USPSPermanganates, inorganic, aqueous solution, n.o.s. 5.1 UN3214 II 5A 5A
• Permanganates, inorganic, n.o.s. · USPSPermanganates, inorganic, n.o.s. 5.1 UN1482 II, III 5A 5A
• Peroxides, inorganic, n.o.s. · USPS · IIPeroxides, inorganic, n.o.s. 5.1 UN1483 II Prohibited Prohibited
• Peroxides, inorganic, n.o.s. · USPS · IIIPeroxides, inorganic, n.o.s. 5.1 UN1483 III 5A 5A
• Persulfates, inorganic, aqueous solution, n.o.s. · USPSPersulfates, inorganic, aqueous solution, n.o.s. 5.1 UN3216 III 5A 5A
• Persulfates, inorganic, n.o.s. · USPSPersulfates, inorganic, n.o.s. 5.1 UN3215 III 5A 5A
• Pesticides · Royal Mail / Post OfficePesticides (eg weed killer and any chemical used to kill pests and insects including fly sprays) International – not allowed in the mail UK – not allowed in the mail
• Pesticides · Royal Mail Wholesale (Access customers)Pesticides Including weed killer and any chemical that is used to kill pests and insects such as fly sprays.
• Pesticides, liquid, flammable, toxic, flashpoint less than 23° C · USPSPesticides, liquid, flammable, toxic, flashpoint less than 23° C 3 UN3021 I, II Prohibited Prohibited
• Pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPS · I, IIPesticides, liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN2903 I, II Prohibited Prohibited
• Pesticides, liquid, toxic, flammable, flashpoint not less than 23° C · USPS · IIIPesticides, liquid, toxic, flammable, flashpoint not less than 23° C 6.1 UN2903 III 6A 6A
• Pesticides, liquid, toxic, n.o.s. · USPS · I, IIPesticides, liquid, toxic, n.o.s. 6.1 UN2902 I, II Prohibited Prohibited
• Pesticides, liquid, toxic, n.o.s. · USPS · IIIPesticides, liquid, toxic, n.o.s. 6.1 UN2902 III 6A 6A
• Pesticides, solid, toxic, n.o.s. · USPS · I, IIPesticides, solid, toxic, n.o.s. 6.1 UN2588 I, II Prohibited Prohibited
• Pesticides, solid, toxic, n.o.s. · USPS · IIIPesticides, solid, toxic, n.o.s. 6.1 UN2588 III 6A 6A
• Petroleum crude oil · USPS · IPetroleum crude oil 3 UN1267 I Prohibited Prohibited
• Petroleum crude oil · USPS · II, IIIPetroleum crude oil 3 UN1267 II, III Prohibited 3A
• Petroleum distillates, n.o.s. or Petroleum products, n.o.s. · USPSPetroleum distillates, n.o.s. or Petroleum products, n.o.s. 3 UN1268 I, II, III Prohibited 3A
• Petroleum gases, liquified or Liquified petroleum gas · USPSPetroleum gases, liquified or Liquified petroleum gas 2.1 UN1075 n/a Prohibited 2A
• Petroleum oil · USPS · IPetroleum oil 3 NA1270 I Prohibited Prohibited
• Petroleum oil · USPS · II, IIIPetroleum oil 3 NA1270 II, III Prohibited 3A
• Petroleum sour crude oil, flammable, toxic · USPSPetroleum sour crude oil, flammable, toxic 3 UN3494 I, II, III Prohibited Prohibited
• Pharmaceuticals · FedExPharmaceuticals
• Phenacyl bromide · USPSPhenacyl bromide 6.1 UN2645 II Prohibited Prohibited
• Phenetidines · USPSPhenetidines 6.1 UN2311 III 6A 6A
• Phenol, molten · USPSPhenol, molten 6.1 UN2312 II Prohibited Prohibited
• Phenol, solid · USPSPhenol, solid 6.1 UN1671 II Prohibited Prohibited
• Phenol solutions · USPS · IIPhenol solutions 6.1 UN2821 II Prohibited Prohibited
• Phenol solutions · USPS · IIIPhenol solutions 6.1 UN2821 III 6A 6A
• Phenolsulfonic acid, liquid · USPSPhenolsulfonic acid, liquid 8 UN1803 II 8A 8A
• Phenoxyacetic acid derivative pesticide, liquid, toxic · USPS · IPhenoxyacetic acid derivative pesticide, liquid, toxic 6.1 UN3348 I Prohibited Prohibited
• Phenoxyacetic acid derivative pesticide, liquid, toxic · USPS · II, IIIPhenoxyacetic acid derivative pesticide, liquid, toxic 6.1 UN3348 II, III 6A 6A
• Phenoxyacetic acid derivative pesticide, solid, toxic · USPS · IPhenoxyacetic acid derivative pesticide, solid, toxic 6.1 UN3345 I Prohibited Prohibited
• Phenoxyacetic acid derivative pesticide, solid, toxic · USPS · II, IIIPhenoxyacetic acid derivative pesticide, solid, toxic 6.1 UN3345 II, III 6A 6A
• Phenyl chloroformate · USPSPhenyl chloroformate 6.1 UN2746 II Prohibited Prohibited
• Phenyl isocyanate · USPSPhenyl isocyanate 6.1 UN2487 I Prohibited Prohibited
• Phenyl mercaptan · USPSPhenyl mercaptan 6.1 UN2337 I Prohibited Prohibited
• Phenyl phosphorus dichloride · USPSPhenyl phosphorus dichloride 8 UN2798 II 8A 8A
• Phenyl phosphorus thiodichloride · USPSPhenyl phosphorus thiodichloride 8 UN2799 II 8A 8A
• Phenyl urea pesticides, liquid, toxic · USPS · I, IIPhenyl urea pesticides, liquid, toxic 6.1 UN3002 I, II Prohibited Prohibited
• Phenyl urea pesticides, liquid, toxic · USPS · IIIPhenyl urea pesticides, liquid, toxic 6.1 UN3002 III 6A 6A
• Phenylacetonitrile, liquid · USPSPhenylacetonitrile, liquid 6.1 UN2470 III 6A 6A
• Phenylacetyl chloride · USPSPhenylacetyl chloride 8 UN2577 II 8A 8A
• Phenylcarbylamine chloride · USPSPhenylcarbylamine chloride 6.1 UN1672 I Prohibited Prohibited
• Phenylenediamines (o-; m-; p-;) · USPSPhenylenediamines (o-; m-; p-;) 6.1 UN1673 III 6A 6A
• Phenylhydrazine · USPSPhenylhydrazine 6.1 UN2572 II Prohibited Prohibited
• Phenylmercuric acetate · USPSPhenylmercuric acetate 6.1 UN1674 II Prohibited Prohibited
• Phenylmercuric compounds, n.o.s. · USPS · I, IIPhenylmercuric compounds, n.o.s. 6.1 UN2026 I, II Prohibited Prohibited
• Phenylmercuric compounds, n.o.s. · USPS · IIIPhenylmercuric compounds, n.o.s. 6.1 UN2026 III 6A 6A
• Phenylmercuric hydroxide · USPSPhenylmercuric hydroxide 6.1 UN1894 II Prohibited Prohibited
• Phenylmercuric nitrate · USPSPhenylmercuric nitrate 6.1 UN1895 II Prohibited Prohibited
• Phenyltrichlorosilane · USPSPhenyltrichlorosilane 8 UN1804 II Prohibited Prohibited
• Phosgene · USPSPhosgene 2.3 UN1076 Prohibited Prohibited
• Phosphine · USPSPhosphine 2.3 UN2199 Prohibited Prohibited
• Phosphoric acid, solid · USPSPhosphoric acid, solid 8 UN3453 III 8A 8A
• Phosphoric acid solution · USPSPhosphoric acid solution 8 UN1805 III 8A 8A
• Phosphorous acid · USPSPhosphorous acid 8 UN2834 III 8A 8A
• Phosphorus, amorphous · USPSPhosphorus, amorphous 4.1 UN1338 III Prohibited Prohibited
• Phosphorus heptasulfide, free from yellow or white phosphorus · USPSPhosphorus heptasulfide, free from yellow or white phosphorus 4.1 UN1339 II Prohibited Prohibited
• Phosphorus oxybromide · USPSPhosphorus oxybromide 8 UN1939 II Prohibited Prohibited
• Phosphorus oxybromide, molten · USPSPhosphorus oxybromide, molten 8 UN2576 II Prohibited Prohibited
• Phosphorus oxychloride · USPSPhosphorus oxychloride 8 UN1810 II Prohibited Prohibited
• Phosphorus pentabromide · USPSPhosphorus pentabromide 8 UN2691 II 8A 8A
• Phosphorus pentachloride · USPSPhosphorus pentachloride 8 UN1806 II Prohibited Prohibited
• Phosphorus pentafluoride · USPSPhosphorus pentafluoride 2.3 UN2198 Prohibited Prohibited
• Phosphorus pentasulfide, free from yellow or white phosphorus · USPSPhosphorus pentasulfide, free from yellow or white phosphorus 4.3 UN1340 II Prohibited 4A
• Phosphorus pentoxide · USPSPhosphorus pentoxide 8 UN1807 II 8A 8A
• Phosphorus sesquisulfide, free from yellow or white phosphorus · USPSPhosphorus sesquisulfide, free from yellow or white phosphorus 4.1 UN1341 II Prohibited Prohibited
• Phosphorus tribromide · USPSPhosphorus tribromide 8 UN1808 II Prohibited Prohibited
• Phosphorus trichloride · USPSPhosphorus trichloride 6.1 UN1809 I Prohibited Prohibited
• Phosphorus trioxide · USPSPhosphorus trioxide 8 UN2578 III 8A 8A
• Phosphorus trisulfide, free from yellow or white phosphorus · USPSPhosphorus trisulfide, free from yellow or white phosphorus 4.1 UN1343 II Prohibited Prohibited
• Phosphorus white, molten · USPSPhosphorus white, molten 4.2 UN2447 I Prohibited Prohibited
• Phosphorus (white or red) and a chlorate, mixtures of · USPSPhosphorus (white or red) and a chlorate, mixtures of Forbidden Prohibited Prohibited Prohibited Prohibited
• Photographic mixtures — corrosive liquid solutions · USPSPhotographic Mixtures: Acceptable if the corrosive liquid solutions for preparing photographic processing mixtures can qualify as a Limited Quantity air or Limited Quantity surface
• Phthalic anhydride with more than .05 percent maleic anhydride · USPSPhthalic anhydride with more than .05 percent maleic anhydride 8 UN2214 III 8A 8A
• Picolines · USPSPicolines 3 UN2313 III Prohibited 3A
• Pine oil · USPSPine oil 3 UN1272 III Prohibited 3A
• Piperazine · USPSPiperazine 8 UN2579 III 8A 8A
• Piperidine · USPSPiperidine 8 UN2401 I Prohibited Prohibited
• Plants and seeds for planting · Royal Mail / Post OfficePlants and seeds for planting (including bulbs, potted plants, potted flowers, plant plugs, shrubs, trees, packets of seeds) International destinations - Not allowed in the mail UK
• Plastics, nitrocellulose-based, self- heating, n.o.s. · USPSPlastics, nitrocellulose-based, self- heating, n.o.s. 4.2 UN2006 III Prohibited Prohibited
• Poisonous drugs and medicines · USPSPoisonous Drugs and Medicines: Poisonous drugs and medicines may be sent only from manufacturers or dealers to licensed professionals, including physicians, surgeons, dentists, pha
• Poisonous, toxic liquids, solids or gases · Royal Mail Wholesale (Access customers)Including substances that are liable to cause death or injury if swallowed or inhaled or by skin contact, such as arsenic, beryllium, cyanide, fluorine, rat poison.
• Poisons · USPSSome poisons may be sent by air and ground transport, others only by ground.
• Poisons, toxic liquids, solids and gases · Royal Mail / Post OfficePoisons, toxic liquids, solids and gases (including substances that are liable to cause death or injury if swallowed or inhaled or through skin contact, including arsenic, cyanide,
• Polychlorinated biphenyls, liquid · USPSPolychlorinated biphenyls, liquid 9 UN2315 II Prohibited 9C
• Polychlorinated biphenyls, solid · USPSPolychlorinated biphenyls, solid 9 UN3432 II Prohibited 9C
• Polyester resin kit · USPSPolyester resin kit 3 UN3269 n/a Prohibited 3A
• Polyhalogenated biphenyls, liquid or Polyhalogenated terphenyls, liquid · USPSPolyhalogenated biphenyls, liquid or Polyhalogenated terphenyls, liquid 9 UN3151 II Prohibited 9C
• Polyhalogenated biphenyls, solid or Polyhalogenated terphenyls, solid · USPSPolyhalogenated biphenyls, solid or Polyhalogenated terphenyls, solid 9 UN3152 II Prohibited 9C
• Polymeric beads, expandable, evolving flammable vapor · USPSPolymeric beads, expandable, evolving flammable vapor 9 UN2211 III Prohibited 9C
• Pornography/obscene material · FedExPornography/obscene material
• Potassium · USPSPotassium 4.3 UN2257 I Prohibited Prohibited
• Potassium arsenate · USPSPotassium arsenate 6.1 UN1677 II Prohibited Prohibited
• Potassium arsenite · USPSPotassium arsenite 6.1 UN1678 II Prohibited Prohibited
• Potassium borohydride · USPSPotassium borohydride 4.3 UN1870 I Prohibited Prohibited
• Potassium bromate · USPSPotassium bromate 5.1 UN1484 II 5A 5A
• Potassium carbonyl · USPSPotassium carbonyl Forbidden Prohibited Prohibited Prohibited Prohibited
• Potassium chlorate · USPSPotassium chlorate 5.1 UN1485 II 5A 5A
• Potassium chlorate, aqueous solution · USPSPotassium chlorate, aqueous solution 5.1 UN2427 II, III 5A 5A
• Potassium cuprocyanide · USPSPotassium cuprocyanide 6.1 UN1679 II Prohibited Prohibited
• Potassium cyanide, solid · USPSPotassium cyanide, solid 6.1 UN1680 I Prohibited Prohibited
• Potassium cyanide solution · USPSPotassium cyanide solution 6.1 UN3413 I Prohibited Prohibited
• Potassium dithionite or Potassium hydrosulfite · USPSPotassium dithionite or Potassium hydrosulfite 4.2 UN1929 II Prohibited Prohibited
• Potassium fluoride, solid · USPSPotassium fluoride, solid 6.1 UN1812 III 6A 6A
• Potassium fluoride solution · USPSPotassium fluoride solution 6.1 UN3422 III 6A 6A
• Potassium fluoroacetate · USPSPotassium fluoroacetate 6.1 UN2628 I Prohibited Prohibited
• Potassium fluorosilicate · USPSPotassium fluorosilicate 6.1 UN2655 III 6A 6A
• Potassium hydrogen sulfate · USPSPotassium hydrogen sulfate 8 UN2509 II 8A 8A
• Potassium hydrogendifluoride, solid · USPSPotassium hydrogendifluoride, solid 8 UN1811 II 8A 8A
• Potassium hydrogendifluoride, solution · USPSPotassium hydrogendifluoride, solution 8 UN3421 II 8A 8A
• Potassium hydroxide, solid · USPSPotassium hydroxide, solid 8 UN1813 II 8A 8A
• Potassium hydroxide, solution · USPSPotassium hydroxide, solution 8 UN1814 II, III 8A 8A
• Potassium, metal alloys, liquid · USPSPotassium, metal alloys, liquid 4.3 UN1420 I Prohibited 4A
• Potassium, metal alloys, solid · USPSPotassium, metal alloys, solid 4.3 UN3403 I Prohibited Prohibited
• Potassium metavanadate · USPSPotassium metavanadate 6.1 UN2864 II Prohibited Prohibited
• Potassium monoxide · USPSPotassium monoxide 8 UN2033 II 8A 8A
• Potassium nitrate · USPSPotassium nitrate 5.1 UN1486 III 5A 5A
• Potassium nitrate and sodium nitrite mixtures · USPSPotassium nitrate and sodium nitrite mixtures 5.1 UN1487 II 5A 5A
• Potassium nitrite · USPSPotassium nitrite 5.1 UN1488 II 5A 5A
• Potassium perchlorate · USPSPotassium perchlorate 5.1 UN1489 II 5A 5A
• Potassium permanganate · USPSPotassium permanganate 5.1 UN1490 II 5A 5A
• Potassium peroxide · USPSPotassium peroxide.
• Potassium persulfate · USPSPotassium persulfate 5.1 UN1492 III 5A 5A
• Potassium phosphide · USPSPotassium phosphide 4.3 UN2012 I Prohibited Prohibited
• Potassium sodium alloys, liquid · USPSPotassium sodium alloys, liquid 4.3 UN1422 I Prohibited Prohibited
• Potassium sodium alloys, solid · USPSPotassium sodium alloys, solid 4.3 UN3404 I Prohibited Prohibited
• Potassium superoxide · USPSPotassium superoxide 5.1 UN2466 I Prohibited Prohibited
• Powder, smokeless · USPSPowder, smokeless 1.3C UN0161 II Prohibited Prohibited
• powders - dry materials that could cause damage · USPSPowders must be packed in sift-proof containers or other containers that are sealed in durable sift-proof outer containers.
• Power banks · Royal Mail / ParcelforcePower Banks, Power banks are a small device containing a lithium battery used as a type of spare/portable charging device for electronic items. They are therefore classed as lithiu
• prescription medications containing controlled substances · USPSPrescription medicines containing mailable narcotic drugs (controlled substances), when mailed by drug manufacturers or their registered agents, pharmacies, medical practitioners,
• Prescription medicines (non-toxic, non-flammable, including asthma inhalers) · Royal Mail / ParcelforceIf the customer is insistent, please advise them that the parcel must have a copy of the prescription visible on the outside of the parcel. If a prescription is not attached, no co
• Primers, cap type · USPSPrimers, cap type 1.1B UN0377 II Prohibited Prohibited
• Primers, tubular · USPSPrimers, tubular 1.3G UN0319 II Prohibited Prohibited
• Prohibited Prohibited Prohibited Prohibited Prohibited Nickel carbonyl · USPSProhibited Prohibited Prohibited Prohibited Prohibited Nickel carbonyl 6.1 UN1259 I Prohibited Prohibited
• Project cargo · FedExProject cargo
• Projectiles, inert with tracer · USPSProjectiles, inert with tracer 1.4G UN0425 II Prohibited Prohibited
• Projectiles, with burster or expelling charge · USPSProjectiles, with burster or expelling charge 1.2D UN0346 II Prohibited Prohibited
• Projectiles, with bursting charge · USPSProjectiles, with bursting charge 1.1D UN0168 II Prohibited Prohibited
• Propadiene, stabilized · USPSPropadiene, stabilized 2.1 UN2200 n/a Prohibited Prohibited
• Propane — Division 2.1 flammable gas · USPSPropane: Division 2.1 flammable gas. Propane is mailable via surface transportation as a Limited Quantity material only. Air transportation is prohibited.
• Propane see also Petroleum gases, liquified · USPSPropane see also Petroleum gases, liquified 2.1 UN1978 n/a Prohibited 2A
• Propanethiols · USPSPropanethiols 3 UN2402 II Prohibited 3A
• Propellant, liquid · USPSPropellant, liquid 1.1C UN0497 II Prohibited Prohibited
• Propellant, solid · USPSPropellant, solid 1.1C UN0498 II Prohibited Prohibited
• Propionaldehyde · USPSPropionaldehyde 3 UN1275 II Prohibited 3A
• Propionic acid with not less than 90 percent acid by mass · USPSPropionic acid with not less than 90 percent acid by mass 8 UN3463 II Prohibited 8A
• Propionic anhydride · USPSPropionic anhydride 8 UN2496 III 8A 8A
• Propionitrile · USPSPropionitrile 3 UN2404 II Prohibited Prohibited
• Propionyl chloride · USPSPropionyl chloride 3 UN1815 II Prohibited Prohibited
• Propyl formates · USPSPropyl formates 3 UN1281 II Prohibited 3A
• Propylamine · USPSPropylamine 3 UN1277 II Prohibited Prohibited
• Propylene chlorohydrin · USPSPropylene chlorohydrin 6.1 UN2611 II Prohibited Prohibited
• Propylene oxide · USPSPropylene oxide 3 UN1280 I Prohibited Prohibited
• Propylene see also Petroleum gases, liquified · USPSPropylene see also Petroleum gases, liquified 2.1 UN1077 n/a Prohibited 2A
• Propylene tetramer · USPSPropylene tetramer 3 UN2850 III Prohibited 3A
• Propyleneimine, stabilized · USPSPropyleneimine, stabilized 3 UN1921 I Prohibited Prohibited
• Propyltrichlorosilane · USPSPropyltrichlorosilane 8 UN1816 II Prohibited Prohibited
• Pyrethroid pesticide, liquid, flammable, toxic, flashpoint less than 23° C · USPS · I, IIPyrethroid pesticide, liquid, flammable, toxic, flashpoint less than 23° C 3 UN3350 I, II Prohibited Prohibited
• Pyrethroid pesticide, liquid, flammable, toxic, flashpoint less than 23° C · USPS · IPyrethroid pesticide, liquid, flammable, toxic, flashpoint less than 23° C 6.1 UN3351 I Prohibited Prohibited
• Pyrethroid pesticide, liquid, flammable, toxic, flashpoint less than 23° C · USPS · II, IIIPyrethroid pesticide, liquid, flammable, toxic, flashpoint less than 23° C 6.1 UN3351 II, III 6A 6A
• Pyrethroid pesticide, liquid, toxic · USPS · IPyrethroid pesticide, liquid, toxic 6.1 UN3352 I Prohibited Prohibited
• Pyrethroid pesticide, liquid, toxic · USPS · II, IIIPyrethroid pesticide, liquid, toxic 6.1 UN3352 II, III 6A 6A
• Pyrethroid pesticide, solid, toxic · USPS · IPyrethroid pesticide, solid, toxic 6.1 UN3349 I Prohibited Prohibited
• Pyrethroid pesticide, solid, toxic · USPS · II, IIIPyrethroid pesticide, solid, toxic 6.1 UN3349 II, III 6A 6A
• Pyridine · USPSPyridine 3 UN1282 II Prohibited Prohibited
• Pyridine perchlorate · USPSPyridine perchlorate Forbidden Prohibited Prohibited Prohibited Prohibited
• Pyrophoric liquid, inorganic, n.o.s. · USPSPyrophoric liquid, inorganic, n.o.s. 4.2 UN3194 I Prohibited Prohibited
• Pyrophoric liquids, organic, n.o.s. · USPSPyrophoric liquids, organic, n.o.s. 4.2 UN2845 I Prohibited Prohibited
• Pyrophoric metals, n.o.s. or Pyrophoric alloys, n.o.s. · USPSPyrophoric metals, n.o.s. or Pyrophoric alloys, n.o.s. 4.2 UN1383 I Prohibited Prohibited
• Pyrophoric solid, inorganic, n.o.s. · USPSPyrophoric solid, inorganic, n.o.s. 4.2 UN3200 I Prohibited Prohibited
• Pyrophoric solids, organic, n.o.s. · USPSPyrophoric solids, organic, n.o.s. 4.2 UN2846 I Prohibited Prohibited
• Pyrosulfuryl chloride · USPSPyrosulfuryl chloride 8 UN1817 II 8A 8A
• Pyrrolidine · USPSPyrrolidine 3 UN1922 II Prohibited Prohibited
• Quebrachitol pentanitrate · USPSQuebrachitol pentanitrate Forbidden Prohibited Prohibited Prohibited Prohibited
• queen honeybees · USPSQueen Honeybees: May be shipped via air or surface transportation. Each mailpiece shipped via air transportation is limited to one queen and eight or less attendant honeybees.
• Quinoline · USPSQuinoline 6.1 UN2656 III 6A 6A
• Radioactive instruments and articles (UN2911) — clocks, electronic tubes · USPSUN2911: Low-risk items like clocks, electronic tubes, or similar devices with radioactive materials in gas or solid form, classified as "excepted package" for simplified handling u
• Radioactive material, excepted package-empty packaging · USPSRadioactive material, excepted package-empty packaging 7 UN2908 n/a Prohibited Prohibited
• Radioactive material, excepted package-instruments or articles · USPSRadioactive material, excepted package-instruments or articles 7 UN2911 n/a Prohibited 7A
• Radioactive material, excepted package-limited quantity of material · USPSRadioactive material, excepted package-limited quantity of material 7 UN2910 n/a Prohibited 7A
• Radioactive material, low specific activity (LSA-I), non fissile or fissile- excepted. · USPSRadioactive material, low specific activity (LSA-I), non fissile or fissile- excepted. 7 UN2912 n/a Prohibited Prohibited
• Radioactive material, transported under special arrangement, fissile · USPSRadioactive material, transported under special arrangement, fissile 7 UN3331 n/a Prohibited Prohibited
• Radioactive material, Type A package, fissile non-special form · USPSRadioactive material, Type A package, fissile non-special form 7 UN3327 n/a Prohibited Prohibited
• Radioactive material, Type A package, non fissile or fissile- excepted · USPSRadioactive material, Type A package, non fissile or fissile- excepted 7 UN3332 n/a Prohibited Prohibited
• Radioactive material, Type A package, special form, fissile · USPSRadioactive material, Type A package, special form, fissile 7 UN3333 n/a Prohibited Prohibited
• Radioactive material, Type B(M) package, fissile · USPSRadioactive material, Type B(M) package, fissile 7 UN3329 n/a Prohibited Prohibited
• Radioactive material, Type B(M) package non fissile or fissile- excepted · USPSRadioactive material, Type B(M) package non fissile or fissile- excepted 7 UN2917 n/a Prohibited Prohibited
• Radioactive material, Type B(U) package, fissile · USPSRadioactive material, Type B(U) package, fissile 7 UN3328 n/a Prohibited Prohibited
• Radioactive material, Type B(U) package non fissile or fissile- excepted · USPSRadioactive material, Type B(U) package non fissile or fissile- excepted 7 UN2916 n/a Prohibited Prohibited
• Radioactive material, uranium hexafluoride fissile · USPSRadioactive material, uranium hexafluoride fissile 7 UN2977 n/a Prohibited Prohibited
• Radioactive material, uranium hexafluoride non fissile or fissile- excepted · USPSRadioactive material, uranium hexafluoride non fissile or fissile- excepted 7 UN2978 n/a Prohibited Prohibited
• Radioactive materials · Royal Mail Wholesale (Access customers)Radioactive materials and samples that are classified as radioactive using Table 2-12 of the latest edition of the International Civil Aviation Organization’s Technical Instruction
• Radioactive materials bearing Class 7 labels — international mail · USPSInternational Mail: Radioactive materials bearing or required to bear a Class 7 Radioactive White-I, Radioactive Yellow-II, or Radioactive Yellow-III hazardous materials warning la
• Radioactive materials bearing Class 7 labels or Fissile label — domestic surface · USPSDomestic Mail via Surface Transportation: Radioactive materials bearing or required to bear a Class 7 Radioactive White-I, Radioactive Yellow-II, Radioactive Yellow-III hazardous m
• Radioactive materials (Hazard Class 7) — domestic air · USPSDomestic Mail via Air Transportation: All radioactive materials are prohibited.
• Rags, oily · USPSRags, oily 4.2 UN1856 III Prohibited Prohibited
• Refrigerant gas R 404A · USPSRefrigerant gas R 404A 2.2 UN3337 n/a 2B 2B
• Refrigerant gas R 407A · USPSRefrigerant gas R 407A 2.2 UN3338 n/a 2B 2B
• Refrigerant gas R 407B · USPSRefrigerant gas R 407B 2.2 UN3339 n/a 2B 2B
• Refrigerant gas R 407C · USPSRefrigerant gas R 407C 2.2 UN3340 n/a 2B 2B
• Refrigerant gases, n.o.s. · USPSRefrigerant gases, n.o.s. 2.2 UN1078 n/a 2B 2B
• Refrigerant gases, n.o.s., or Dispersant gases, n.o.s. · USPSRefrigerant gases, n.o.s., or Dispersant gases, n.o.s. 2.1 NA1954 n/a Prohibited 2A
• Refrigerating machines, containing flammable, non-toxic, liquified gas · USPSRefrigerating machines, containing flammable, non-toxic, liquified gas 2.1 UN3358 n/a Prohibited 2A
• Regulated magnetized materials — international mail · USPSInternational Mail: Only non-regulated magnetized materials with a magnetic field strength below 0.002 gauss at a distance of 7 feet may be mailed internationally. Regulated magnet
• Release devices, explosive · USPSRelease devices, explosive 1.4S UN0173 II Prohibited Prohibited
• Replica or inert explosives or weapons · UPSReplica or inert explosives or weapons that bear an appearance to actual explo- sives or weapons (except as a contractual service);
• Resin solution, flammable · USPSResin solution, flammable 3 UN1866 I, II, III Prohibited 3A
• Resorcinol · USPSResorcinol 6.1 UN2876 III 6A 6A
• Retail tobacco products · FedExRetail tobacco products
• rifles and shotguns - unloaded, intrastate · USPSunloaded rifles and shotguns are mailable. Mailers must comply with the rules and regulations per 27 CFR, Part 478, as well as state and local laws.
• Rivets, explosive · USPSRivets, explosive 1.4S UN0174 II Prohibited Prohibited
• Rocket motors · USPSRocket motors 1.1C UN0280 II Prohibited Prohibited
• Rocket motors, liquid fueled · USPSRocket motors, liquid fueled 1.2J UN0395 II Prohibited Prohibited
• Rocket motors with hypergolic liquids with or without an expelling charge · USPSRocket motors with hypergolic liquids with or without an expelling charge 1.3L UN0250 II Prohibited Prohibited
• Rockets, line-throwing · USPSRockets, line-throwing 1.2G UN0238 II Prohibited Prohibited
• Rockets, liquid fueled with bursting charge · USPSRockets, liquid fueled with bursting charge 1.1J UN0397 II Prohibited Prohibited
• Rockets, with bursting charge · USPSRockets, with bursting charge 1.1E UN0181 II Prohibited Prohibited
• Rockets, with expelling charge · USPSRockets, with expelling charge 1.2C UN0436 II Prohibited Prohibited
• Rockets, with inert head · USPSRockets, with inert head 1.3C UN0183 II Prohibited Prohibited
• Rosin oil · USPSRosin oil 3 UN1286 II, III Prohibited 3A
• Prescription medicines (toxic or flammable) sent for scientific or medical purposes · Royal Mail / ParcelforceInner packaging can be blister packs of tablets or capsules of liquid (each pack not to exceed 50ml/50g per tablet/capsule), or small bottles of liquid up to 50ml. Net quantity in
• Aerosols for any other purpose (including spray paints, lacquers, solvents, air fresheners, oven cleaners, etc) · Royal Mail / Post OfficeAerosols for any other purpose (including spray paints, lacquers, solvents, air fresheners, oven cleaners, etc) International – not allowed in the mail UK – not allowed in the mail
• Aerosols for toiletry or medicinal purposes (including deodorants, body sprays, hair sprays, shaving and hair removal creams and medicinal aerosols for prevention or cure such as flea sprays) - for asthma inhalers see Prescription medicines · Royal Mail / Post OfficeAerosols for toiletry or medicinal purposes (including deodorants, body sprays, hair sprays, shaving and hair removal creams and medicinal aerosols for prevention or cure such as f
• Alcoholic beverages and liquids containing less than 24% alcohol by volume (ABV) (including beer, lager, wine and champagne) · Royal Mail / Post OfficeAlcoholic beverages and liquids containing less than 24% alcohol by volume (ABV) (including beer, lager, wine and champagne) UK & International – allowed in the mail, with restrict
• Alcoholic beverages and liquids containing more than 24% but not more than 70% alcohol by volume (ABV) (eg gin, rum, vodka, whisky) · Royal Mail / Post OfficeAlcoholic beverages and liquids containing more than 24% but not more than 70% alcohol by volume (ABV) (eg gin, rum, vodka, whisky) International – not allowed in the mail UK – all
• Batteries – new wet, non-spillable (eg sealed lead acid batteries, absorbed glass mat and gel cell batteries) · Royal Mail / Post OfficeBatteries – new wet, non-spillable (eg sealed lead acid batteries, absorbed glass mat and gel cell batteries) International – not allowed in the mail UK – allowed in the mail, with
• Batteries, specifically new alkaline metal, nickel metal hydride (NiMH), nickel cadmium (NiCd), zinc-air and zinc chloride including: D, C, 9V, AA, AAA and AAAA alkaline batteries · Royal Mail / Post OfficeBatteries, specifically new alkaline metal, nickel metal hydride (NiMH), nickel cadmium (NiCd), zinc-air and zinc chloride including: D, C, 9V, AA, AAA and AAAA alkaline batteries
• Batteries, specifically new and used lithium batteries when not sent with or connected to an electronic device (including power banks) · Royal Mail / Post OfficeBatteries, specifically new and used lithium batteries when not sent with or connected to an electronic device (including power banks) International – not allowed in the mail UK –
• Batteries that are classified as dangerous goods and certain used batteries (including wet spillable lead acid/lead alkaline batteries [such as car batteries], used alkaline metal, nickel metal hydride [NiMH], nickel cadmium [NiCd], zinc-air batteries, solo lithium batteries, power banks and damaged batteries of any type) · Royal Mail / Post OfficeNot connected to or posted with the device it is intended to power Batteries that are classified as dangerous goods and certain used batteries (including wet spillable lead acid/le
• Electronic devices connected to lithium batteries (including mobile phones, digital cameras, etc) where the battery is connected to the device · Royal Mail / Post OfficeElectronic devices connected to lithium batteries (including mobile phones, digital cameras, etc) where the battery is connected to the device UK & International – allowed in the m
• Electronic devices sent with lithium batteries (including mobile phones, digital cameras, etc) where the battery is not connected to the device · Royal Mail / Post OfficeElectronic devices sent with lithium batteries (including mobile phones, digital cameras, etc) where the battery is not connected to the device International – not allowed in the m
• Electronic devices sent with new alkaline metal, nickel metal hydride (NiMH) or nickel cadmium (NiCd) batteries where the battery is not connected to the device · Royal Mail / Post OfficeElectronic devices sent with new alkaline metal, nickel metal hydride (NiMH) or nickel cadmium (NiCd) batteries where the battery is not connected to the device UK & International
• Magnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package · Royal Mail / Post OfficeMagnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package UK & International – allowed in the mail, see packagin
• Magnetised material with a field strength of 0.418A/metre or more at a distance of 4.6 metres from the outside of the package · Royal Mail / Post OfficeMagnetised material with a field strength of 0.418A/metre or more at a distance of 4.6 metres from the outside of the package International – not allowed in the mail UK – not allow
• Prescription medicines and drugs sent for scientific or medical purposes – non-toxic and non-flammable including asthma inhalers · Royal Mail / Post OfficePrescription medicines and drugs sent for scientific or medical purposes – non-toxic and non-flammable including asthma inhalers UK & International – allowed in the mail, see restr
• Prescription medicines and drugs sent for scientific or medical purposes – toxic, flammable or toxic and flammable · Royal Mail / Post OfficePrescription medicines and drugs sent for scientific or medical purposes – toxic, flammable or toxic and flammable International – not allowed in the mail UK – allowed in the mail,
• Radioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organization (ICAO) such as samples of granite rock · Royal Mail / Post OfficeRadioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air pub
• Radioactive materials and samples that are classified as radioactive using Table 2-12 of the latest edition of the International Civil Aviation Organization's Technical Instructions eg fissile material (uranium 235, etc), radioactive waste material, thorium or uranium ores and luminous dials from aircraft · Royal Mail / Post OfficeRadioactive materials and samples that are classified as radioactive using Table 2-12 of the latest edition of the International Civil Aviation Organization's Technical Instruction
• Rubber solution · USPSRubber solution 3 UN1287 II, III Prohibited 3A
• Rubidium · USPSRubidium 4.3 UN1423 I Prohibited Prohibited
• Rubidium hydroxide · USPSRubidium hydroxide 8 UN2678 II 8A 8A
• Rubidium hydroxide solution · USPSRubidium hydroxide solution 8 UN2677 II, III 8A 8A
• Safety Fuses (UN0105, Division 1.4S) · USPSSafety Fuses (UN0105): Consists of a black powder core over-spun with yarns, waterproofing compounds, and/or tapes. Safety fuses identified as UN0105 and classified as Division 1.4
• Safety Matches · USPSSafety matches must be sent via ground transportation and cannot be mailed internationally.
• Safety matches (book, card, or strike-on-box) · USPSSafety matches: Book, card, or strike-on-box safety matches are permitted only in domestic mail via surface transportation.
• secButyl chloroformate · USPSsecButyl chloroformate 6.1 NA2742 I Prohibited Prohibited
• Seed cake with more than 1.5 percent oil and not more than 11 percent moisture · USPSSeed cake with more than 1.5 percent oil and not more than 11 percent moisture 4.2 UN1386 III Prohibited Prohibited
• Selenates or Selenites · USPSSelenates or Selenites 6.1 UN2630 I Prohibited Prohibited

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