Baby Socks 10-pair Skid Socks-have Anti skid Particles Baby Kid Socks - Bright Socks Material:cotton (85% cotton 15% spandex) suit for 1-3 years Baby,foot size:12-15 cm Machine wash with warm water,Tumble dry low. Crew-length kids socks,great for everyday wear anti-slip,non-slip grip on the bottom