# Dry ice (2.5 kg / 5.5 lbs or less, packing perishables) · FAA (air transport) — Flying with restricted items: FAA, TSA and IATA baggage and air cargo rules

For Dry ice (2.5 kg / 5.5 lbs or less, packing perishables), authority is FAA (air transport); restriction type is restricted; scope is carry-on and checked baggage; conditions is Airline approval required; packages must not be air-tight and must allow the release of carbon dioxide gas; checked packages must be marked with contents and quantity, recorded from its source on 2026-08-10.

- **Item or substance:** Dry ice (2.5 kg / 5.5 lbs or less, packing perishables)
- **Authority:** 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:** Airline approval required; packages must not be air-tight and must allow the release of carbon dioxide gas; checked packages must be marked with contents and quantity.

## What the source says

> Carbon dioxide, solid, 2.5 kg (5.5 lbs) or less, when used to pack perishables Quantity limit: 2.5 kg (5.5 lbs) per package and per passenger. Airline approval is required. Packages must NOT be air tight and must allow for venting and the release of carbon dioxide gas. When in checked baggage, the package must be marked "Dry ice" or "Carbon dioxide, solid" and marked with the net quantity of dry ice, or an indication that it is 2.5 kg (5.5 lbs) or less.

## Source

- https://www.faa.gov/hazmat/packsafe/dry-ice

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Flying with restricted items: FAA, TSA and IATA baggage and air cargo rules](https://referencesource.org/air-travel-item-restrictions/).