Normally, the free maximum baggage allowance for international flights is as follows: 40 kg for each first class fare tickets holders, 30 kg for each business class fares ticket holders, 20 kg for economic class fare ticket holders. No free baggage allowance is granted to infants paying 10% of the adult fare. But sometimes the regulations of the free baggage allowance vary from different airlines. Thus, the info is just for your reference, and it is better for you to consult the airlines directly.