●80% Cotton / 17% Polyester / 3% Spandex. Soft, high stretchy and breatable. ●Package Includes 10 pairs of anti slip ankle socks for toddlers in black color. ●Medium thickness and breathable material suit for all seasons, Great ventilation tough and soft,Assure through use washing machine many times it does not shrink or deform ●The grippers at sole of socks provide super grip for fall prevention while walking running on slick surface ●Size Info: 1-3 Years, 4-9 Years, 10-16 Years available. Perfect for kids dancing, yoga, boxing and taekwondo class, and when they are playing slides and trampolines at yard.