坐飞机可以带 Instant Hot & Cold Chemical Packs 吗？
Yes, with limits — you can bring instant hot & cold chemical packs in carry-on bags provided you follow security limits. Liquid-filled chemical snap packs follow 3-1-1 limits.
- · Liquid-filled chemical snap packs follow 3-1-1 limits
- · Exempt in reasonable quantities for medical therapy
- · Declare to screening officer at checkpoint
On this page · 5 sections
各航空安保机构官方规定
Rules by security authority
United States — TSA
Carry-on
Restricted
Must be ≤ 100 ml (3.4 oz) or declared for medical use.
Checked bag
Yes
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.
如何打包 Instant Hot & Cold Chemical Packs
随身携带行李: Must be ≤ 100 ml (3.4 oz) or declared for medical use.
托运行李: Allowed in checked bags.
安检通道现场的安检官员拥有决定物品能否通过的最终裁决权。
常见问题解答 (FAQ)
Frequently asked questions
Can you bring Instant Hot & Cold Chemical Packs in a carry-on?
Must be ≤ 100 ml (3.4 oz) or declared for medical use.
Can you pack Instant Hot & Cold Chemical Packs in checked luggage?
Allowed in checked bags.
Can I bring instant hot & cold chemical packs on an airplane?
Must be ≤ 100 ml (3.4 oz) or declared for medical use. In checked bags: 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 →