Have to purchase 3 day before departure 
Airport check in counter overweight baggage rules: 1. Excess baggage and overweight baggage fee, 400 THB per kg (12USD / 80RMB / 1,300JPY). 2. Additional baggage and any additional pieces, 4,500 THB (130USD / 900RMB / 15,000 JPY). 3. Total linear of luggage more than 158cm, 3,000 THB per piece (90USD/ 600RMB / 10,000JPY). 4. Payment at airport can only be accepted in cash (Local currency of departure must be prepared). ※ Individual pieces of baggage weighing 32 kg or more will not be carried. ※ Up to a maximum of seven pieces allowed per passenger for additional baggage.
Carry-on Baggage: Carry-on baggage on Asia Atlantic Airlines is limited to one piece, with a maximum weight of 7 kgs ※ The following items may be carried on-board in addition to carry-on baggage: handbag, overcoat, blanket, umbrella, walking stick, small personal camera, binoculars, laptop computer and reasonable amount of reading material for the flight.
Exceptions: The following items are acceptable within checked baggage allowance and exempt from checked baggage dimension restrictions: Sports equipment, golf bag, surf board, bicycles (max length: 140 cm, width: 30 cm, height: 80cm), fishing rod (max length: 277 cm)