If you are going to fly to South Korea, you should get to know baggage allowances and restrictions.
In order to ensure safe flights, the dimensions of bags permitted in the cabin are limited. The restrictions may be different according to which airline or class you use, so please prior to travels check with airline carriers. The normally allowed hand baggage should be smaller than 55 cm x 40 cm x 20 cm, and the sum of the three dimensions should not exceed 115 cm, while weighing no more than 10 to 12 kg. Nevertheless, 1 additional item is permitted to be taken free of charge. For example, handbag, wallet, baby basket, baby food.
Allowance for free checked baggage may be different depending on which airline, routes, or seats you use, so please confirm with airline before travels. In general 2 bags weighing up to 32 kg each are allowed when going to the US. The total size must not exceed 158 cm (length + width + height).
Oversized baggage standards are baggage which weighs more than 50 kg or exceeds 90 cm in length, 45 cm in width, or 70 cm in height. If your baggage is oversized or excess, you will have to pay the required fee at the airline carrier's check-in counter. | 
