---
type: restriction
id: royal-mail-post-office-oxidising-materials-or-organic-peroxides
asset: shipping-restrictions-by-class
title: "Oxidising materials or organic peroxides — Postal shipping restrictions by item category"
sources:
  - https://www.postoffice.co.uk/mail/what-can-i-send
source_quote: "Oxidising materials or organic peroxides"
generated: true
harvested: 2026-08-03
stale_after: 2027-08-03
item_category: "Oxidising materials or organic peroxides"
carrier: "Royal Mail / Post Office"
restriction_type: "prohibited"
scope: "UK & International"
verified: true
unverified_fields: carrier, restriction_type, scope
---
**Item category:** Oxidising materials or organic peroxides

**Carrier:** Royal Mail / Post Office

**Restriction type:** prohibited

**Scope:** UK & International

> Oxidising materials or organic peroxides

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