---
type: restriction
id: usps-miscellaneous-hazardous-materials-hazard-class-9-international-mail
asset: shipping-restrictions-by-class
title: "Miscellaneous hazardous materials (Hazard Class 9) — international mail — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_028.htm
source_quote: "International Mail: All miscellaneous hazardous materials are prohibited, except for certain magnetized materials as permitted in 349.242 (a) and IMM 136.1g, and small consumer-type lithium batteries (installed in the equipment they operate)"
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Miscellaneous hazardous materials (Hazard Class 9) — international mail"
carrier: "USPS"
restriction_type: "prohibited"
scope: "international mail"
conditions: "All miscellaneous hazardous materials are prohibited internationally except certain magnetized materials and small consumer-type lithium batteries installed in their equipment"
verified: false
unverified_fields: carrier, item_category
---
**Item category:** Miscellaneous hazardous materials (Hazard Class 9) — international mail

**Carrier:** USPS

**Restriction type:** prohibited

**Scope:** international mail

**Conditions:** All miscellaneous hazardous materials are prohibited internationally except certain magnetized materials and small consumer-type lithium batteries installed in their equipment

> International Mail: All miscellaneous hazardous materials are prohibited, except for certain magnetized materials as permitted in 349.242 (a) and IMM 136.1g, and small consumer-type lithium batteries (installed in the equipment they operate)

Source: <https://pe.usps.com/text/pub52/pub52c3_028.htm>
