Boy's Fashion Design Cartoon Cotton Crew Socks 5 Pack kids Socks Boys 3-6 Years Old Materail: 95% cotton, 5% spandex Recommended foot long 15-19cm (3-6 years old) child wear 5 pack newborn child socks are stretchable for better fit Reinforced heel and toe with spandex for fit Machine wash with warm water, Tumble dry low. Hand wash better!