Children's socks size:
S：20-21 (Foot Length 11.5-12.5cm) suit for 0-6M
M：22-23 (Foot Length 12.5-13.5cm) suit for 6-12M
L：24-25 (Foot Length 13.5-14.5cm) suit for 13-18M
XL：26-27 (Foot Length 14.5-15.5cm) suit for 2-3Y
Material:
Cotton + Spandex + Rubber Soles
