--- type: restriction id: royal-mail-post-office-frozen-water-and-dry-ice asset: shipping-restrictions-by-class title: "Frozen water and dry ice — Postal shipping restrictions by item category" sources: - https://www.postoffice.co.uk/mail/what-can-i-send source_quote: "Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs" generated: true harvested: 2026-08-03 stale_after: 2027-08-03 item_category: "Frozen water and dry ice" carrier: "Royal Mail / Post Office" restriction_type: "prohibited" scope: "UK & International" conditions: "Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs" verified: false unverified_fields: carrier, item_category, restriction_type, scope --- **Item category:** Frozen water and dry ice **Carrier:** Royal Mail / Post Office **Restriction type:** prohibited **Scope:** UK & International **Conditions:** Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs > Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs Source: