---
type: restriction
id: usps-division-6-1-toxic-substances-international-mail
asset: shipping-restrictions-by-class
title: "Division 6.1 toxic substances — international mail — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_025.htm
source_quote: "International Mail: Division 6.1 toxic substances or poisons and irritating materials are prohibited."
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Division 6.1 toxic substances — international mail"
carrier: "USPS"
restriction_type: "prohibited"
scope: "international mail"
conditions: "Division 6.1 toxic substances, poisons, and irritating materials are prohibited from international mail"
verified: false
unverified_fields: carrier, item_category
---
**Item category:** Division 6.1 toxic substances — international mail

**Carrier:** USPS

**Restriction type:** prohibited

**Scope:** international mail

**Conditions:** Division 6.1 toxic substances, poisons, and irritating materials are prohibited from international mail

> International Mail: Division 6.1 toxic substances or poisons and irritating materials are prohibited.

Source: <https://pe.usps.com/text/pub52/pub52c3_025.htm>