--- type: restriction id: usps-lighter-fluid asset: shipping-restrictions-by-class title: "Lighter fluid — Postal shipping restrictions by item category" sources: - https://pe.usps.com/text/pub52/pub52c3_022.htm source_quote: "Lighter Fluid: Considered a flammable liquid and typically has a flashpoint between 20° F (-7° C) and 55° F (13° C). It is permitted only in domestic mail via surface transportation" generated: true harvested: 2026-08-04 stale_after: 2027-08-04 item_category: "Lighter fluid" carrier: "USPS" restriction_type: "restricted" scope: "domestic mail via surface transportation only" conditions: "Permitted only via surface transportation if fluid qualifies as Limited Quantity surface material and is within quantity limitations and packaging requirements; Packaging Instruction 3A must be followed" verified: true unverified_fields: conditions --- **Item category:** Lighter fluid **Carrier:** USPS **Restriction type:** restricted **Scope:** domestic mail via surface transportation only **Conditions:** Permitted only via surface transportation if fluid qualifies as Limited Quantity surface material and is within quantity limitations and packaging requirements; Packaging Instruction 3A must be followed > Lighter Fluid: Considered a flammable liquid and typically has a flashpoint between 20° F (-7° C) and 55° F (13° C). It is permitted only in domestic mail via surface transportation Source: