L: 21cm (suitable for 12 years old and above, 35-42 yards)
Brand New and High Quality
M: 17cm (suitable for 5-12 years old, 29-34 yards)
Size: S: 13cm (suitable for 1-5 years old, 23-29 yards)
Function: Breathable, sweat-absorbent, deodorant, non-slip
Color:As the picture shown
Main fabric composition: cotton
Package Included:1 Pair non-slip Socks