# Instant ice packs using ammonium nitrate — Postal shipping restrictions by item category

For Instant ice packs using ammonium nitrate, carrier is FAA (air transport); restriction type is restricted; scope is carry-on and checked baggage; conditions is Allowed when carried for medical purposes such as the treatment of sporting injuries, recorded from its source on 2026-08-10.

- **Item category:** Instant ice packs using ammonium nitrate _(verified: appears in the quote below)_
- **Carrier:** FAA (air transport) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** carry-on and checked baggage _(our reading, not quoted from the source)_
- **Conditions:** Allowed when carried for medical purposes such as the treatment of sporting injuries. _(verified: appears in the quote below)_

## What the source says

> These items are allowed in carry-on or checked baggage when carried for medical purposes such as the treatment of sporting injuries.

## Source

- https://www.faa.gov/hazmat/packsafe/printable-chart

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).