---
type: restriction
id: usps-excessive-dry-ice-domestic-air-over-5-lbs
asset: shipping-restrictions-by-class
title: "Excessive dry ice — domestic air (over 5 lbs) — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_028.htm
source_quote: "Excessive Dry Ice: Dry ice exceeding 5 pounds per mailpiece is prohibited from air transport in domestic mail."
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Excessive dry ice — domestic air (over 5 lbs)"
carrier: "USPS"
restriction_type: "prohibited"
scope: "domestic mail via air transportation"
conditions: "Dry ice exceeding 5 pounds per mailpiece is prohibited from air transport in domestic mail"
verified: true
---
**Item category:** Excessive dry ice — domestic air (over 5 lbs)

**Carrier:** USPS

**Restriction type:** prohibited

**Scope:** domestic mail via air transportation

**Conditions:** Dry ice exceeding 5 pounds per mailpiece is prohibited from air transport in domestic mail

> Excessive Dry Ice: Dry ice exceeding 5 pounds per mailpiece is prohibited from air transport in domestic mail.

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