Children Sports Socks Boy's Cartoon Cotton Crew Neck Socks 8 Pack (3Y-6Y) Materail: 95% cotton, 5% spandex Recommended foot long 15-19cm (3-6 years old) child wear Package includes: 8 pair socks, different style Reinforced heel and toe with spandex for fit Machine wash with warm water, Tumble dry low. Hand wash better!