Inclusion: Each 1 Pair or 6 Pairs

Size: S (Baby) / M (2~3Years) / L (4~5Years) 
On the top of the product tag,
it says S: (1 to 2 years) M: (3 to 4 years) L : (5 to 6 years) 
But this is an age that is used only in Korea.

The real size is
 S:(baby) 8 -10cm / M:(age 2~3) 10 - 12cm / L:(age 4~5) 12 - 15cm

Please note this. 

Machine washable Cotton/Spandex/Polyester

These cotton socks are elastic and ideally make it suitable for Kids You will have fun starting your day choosing which one to wear!