Luggage for international flight

For carry-on luggage:
Each first class passenger can carry on two pieces of baggage, and each baggage is no more than 5 kg; each passenger of economy class can carry on one baggage and it should be no more than 5 kg.

For checked luggage:
passengers travelling on international flights to/from U.S.A. each piece of checked baggage must not exceed 45KG (90 pounds).

for Passengers travelling on other international routes, each piece of checked baggage must not exceed 32KG (70 pounds).