3-1-1 液体随身携带规划助手
每位乘客限带一个 1 升透明拉链袋；每个容器标称容量必须在 100 毫升（3.4 盎司）或以下。
💧 3-1-1 液体规则单品速查
每位乘客限带一个 1 升透明拉链袋；每个容器标称容量必须在 100 毫升（3.4 盎司）或以下。
体积计算仅供参考 — 实际装载受容器几何形状影响。必需药品及婴儿食品属于豁免项（过检需声明）。
您的液体透明袋
透明袋目前为空 — 请点击上方物品或在下方手动添加。
Everyday liquids & gels
Each must be 3.4 oz (100 ml) or less, all in your one bag.
Surprises that count as liquids
Spreadable, pourable or gel-core items follow the same 3.4 oz rule at the checkpoint.
Exempt items (fly outside the quart bag)
Medically necessary liquids and infant nutrition are exempt from the 3.4 oz container cap. Declare them.
您的液体透明袋
透明袋目前为空 — 请点击上方物品或在下方手动添加。
判定结果
What is the TSA 3-1-1 liquids rule?
Containers must be 3.4 oz (100 ml) or smaller; all containers must fit in 1 clear quart-sized resealable bag; 1 bag per passenger.
Are medications exempt from the liquids limit?
Yes. Medically necessary liquids, gels, and aerosols in reasonable quantities are allowed over 3.4 oz. Declare them to officers before screening.
What size bag do my liquids have to be in?
A clear, resealable bag of about 1 quart / 1 liter (roughly 6 × 9 in or 20 × 20 cm). One per passenger.