What are the specific requirements for the size and weight of suitcases when flying abroad?

Passengers with first-class air tickets can carry two items with them; Passengers with business class or economy class tickets can only carry one item with them. The volume of each article shall not exceed 20×40×55 cm, and the total weight of the above two articles shall not exceed 5 kg. Articles exceeding the specified quantity, weight or volume shall be checked as checked baggage in accordance with the regulations. ?

Free baggage allowance:

Passengers with adult tickets or children tickets are allowed to check their luggage free of charge: 40 kg in first class, 30 kg in business class and 20 kg in economy class. Passengers with baby tickets have no free baggage allowance.

Each passenger can carry up to 2 bottles (each bottle volume is less than 500ml) of carbonated drinks, mineral water, tea, milk, yogurt, juice and other liquid items at a time, and can only take them on the plane after opening the bottle for inspection and confirmation, and all other excess parts will be checked.

Extended data:

Matters needing attention in aircraft consignment:

1. The carrier shall not transport the luggage and articles without security inspection.

2. Prohibited articles, restricted articles, dangerous articles and other articles with peculiar smell or easy to pollute the aircraft stipulated by the state shall not be checked as baggage or added to the baggage. The carrier may refuse to pick up the baggage or terminate the transportation at any time if he finds that there are articles in the baggage that cannot be transported as baggage or caught in the baggage before picking up the baggage or during the transportation.

3. Sharp or blunt objects other than controlled knives carried by passengers shall be checked with the checked baggage and cannot be carried with them.

Civil aviation administration of China-security inspection