--- type: restriction id: royal-mail-post-office-dry-ice asset: shipping-restrictions-by-class title: "Dry ice — Postal shipping restrictions by item category" sources: - https://www.postoffice.co.uk/mail/what-can-i-send source_quote: "on 650, such as our Safebox product (note: frozen water and dry ice are prohibited) The sender's name and return address must be clearly visible on the outer packaging Bladed items Bladed articles and bladed products as defined by the Offensive Weapons Act 2019, including but not limited to, any knife (including a folding pocket knife), any knife blade, cutl" generated: true harvested: 2026-08-03 stale_after: 2027-08-03 item_category: "Dry ice" carrier: "Royal Mail / Post Office" restriction_type: "prohibited" scope: "UK & International" conditions: "Not allowed in the mail" verified: true unverified_fields: carrier, conditions --- **Item category:** Dry ice **Carrier:** Royal Mail / Post Office **Restriction type:** prohibited **Scope:** UK & International **Conditions:** Not allowed in the mail > on 650, such as our Safebox product (note: frozen water and dry ice are prohibited) The sender's name and return address must be clearly visible on the outer packaging Bladed items Bladed articles and bladed products as defined by the Offensive Weapons Act 2019, including but not limited to, any knife (including a folding pocket knife), any knife blade, cutl Source: