# Oxidising materials or organic peroxides — Postal shipping restrictions by item category

For Oxidising materials or organic peroxides, carrier is Royal Mail / Post Office; restriction type is prohibited; scope is UK & International, recorded from its source on 2026-08-03.

- **Item category:** Oxidising materials or organic peroxides
- **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)_

## What the source says

> Oxidising materials or organic peroxides

## 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/).