CHUNG Toddler Little Girls Cotton Rainbow Stripes Ankle Crew Socks Colorful 5 Pack Material:70% Cotton,27% Polyester,3% Spandex. Made with high quality cotton material,our ankle socks are super soft,breathable,durable and stretchable. Socks featuring comfortable elastic cuff design and Y design for heel,make it easy to wear on and put off without impeding blood circulation and uneasy to slide off. Boneless sewing on the socks and cute patterns working for kids sensitive toes make socks skin-friendy and fashion. This is a 5 pair pack of socks. Machine washable;Hang dry. Size 1-2Y: suggestUS Girls/Boys Shoe Size 4M-7.5M Size 3-5Y: suggest US Girls/Boys Shoe Size 7.5M-10.5M Size 6-8Y: suggest US Girls/Boys Shoe Size 11M-1 Size 9-12Y: suggest US Girls/Boys Shoe Size 1-3.5