# Frozen water and dry ice — Postal shipping restrictions by item category

For Frozen water and dry ice, carrier is Royal Mail / Post Office; restriction type is prohibited; scope is UK & International; conditions is Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs, recorded from its source on 2026-08-03.

- **Item category:** Frozen water and dry ice _(unconfirmed — we could not tie this to the quote below)_
- **Carrier:** Royal Mail / Post Office _(our reading, not quoted from the source)_
- **Restriction type:** prohibited _(our reading, not quoted from the source)_
- **Scope:** UK & International _(our reading, not quoted from the source)_
- **Conditions:** Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs

## What the source says

> Must be suitably sealed to prevent leakage or tainting of other items such as in sealed vacuum packs

## Source

- https://www.postoffice.co.uk/mail/what-can-i-send

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).