Guide

Yes, you can bring ice packs in carry-on luggage, but they must be frozen solid when presented for screening.

Yes, you can bring a gel ice pack in carry-on if it is completely frozen solid at screening, or if it is medically necessary regardless of its state.

Yes, you can bring hygiene products on a plane. Liquids, gels, and aerosols must follow the TSA 3-1-1 rule for carry-ons.

Yes, you can generally bring a hydrogen water bottle on a plane in carry-on luggage if the lithium-ion battery is under 100 watt-hours.

Hydrogen peroxide in carry-on must follow the TSA 3-1-1 rule: containers 3.4 ounces (100 ml) or less, all fitting in a single quart-sized clear bag.

Yes, the TSA explicitly allows HotHands and similar disposable chemical hand warmers in both carry-on and checked luggage on US domestic flights.

Yes, you can bring hot chocolate powder in carry-on or checked bags. Containers over 12 oz (350 mL) may need extra screening at the checkpoint.

Yes, the TSA allows homemade cookies as solid food items in carry-on and checked bags, but cookies with spreadable fillings may need extra screening.

Yes, the TSA generally allows homemade bread in both carry-on and checked bags as long as it remains a solid food item without liquid or gel.

Yes, hockey skates are permitted in both carry-on and checked bags according to TSA.