飛行機にIce Packs / Gel Packsを持ち込める？
Yes, with limits — you can bring ice packs in carry-on bags provided you follow security limits. Frozen solid at the checkpoint: allowed.
- · Frozen solid at the checkpoint: allowed
- · Melted/slushy: counts as a liquid (3-1-1)
- · Medically necessary packs: exempt — liquid state doesn’t matter, declare them
- · Breast-milk cooling packs: exempt, with or without milk present
On this page · 6 sections
航空保安当局別の公式規定
Rules by security authority
United States — TSA
Carry-on
Restricted
Yes if frozen solid at screening; melted or slushy packs count as liquids. Medically necessary packs are exempt.
Checked bag
Yes
Yes, ice packs and gel packs of any size and any state are allowed in checked bags.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
例外規定・特別措置
Medically necessary exemption: Not subject to the 3.4 oz (100 ml) liquid limit. Declare to the screening officer at the checkpoint.
Ice Packs / Gel Packsのパッキング注意点
機内持ち込み手荷物: Yes if frozen solid at screening; melted or slushy packs count as liquids. Medically necessary packs are exempt.
受託手荷物（預け荷物）: Yes, ice packs and gel packs of any size and any state are allowed in checked bags.
保安検査場での最終的な持ち込み可否判断は、現場の保安検査員に委ねられます。
よくある質問 (FAQ)
Frequently asked questions
Can you bring an Ice Pack in a carry-on?
Yes if frozen solid at screening; melted or slushy packs count as liquids. Medically necessary packs are exempt.
Can you pack an Ice Pack in checked luggage?
Yes, ice packs and gel packs of any size and any state are allowed in checked bags.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →