TSA item rule · verified 2026-07-02
Can you bring ice packs & gel packs on a plane?
TSA's official answer, checked against tsa.gov on 2026-07-02.
Carry-on bag limits apply
Frozen SOLID at screening — allowed, any size. Partially melted or slushy — treated as a liquid, 3-1-1 applies. Medically necessary gel packs (and packs cooling breast milk, formula or baby food) are allowed in any state — declare them.
Checked bag yes
Allowed; keep them fully frozen if cooling food.
Liquids, gels and aerosols in carry-on follow the TSA 3-1-1 rule. The final decision always rests with the TSA officer at the checkpoint.
Source: TSA — What Can I Bring? · checked 2026-07-02
Related: medication · food snacks
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Common questions
Can you bring ice packs & gel packs in a carry-on?
Frozen SOLID at screening — allowed, any size. Partially melted or slushy — treated as a liquid, 3-1-1 applies. Medically necessary gel packs (and packs cooling breast milk, formula or baby food) are allowed in any state — declare them.
Can you bring ice packs & gel packs in checked baggage?
Allowed; keep them fully frozen if cooling food.