Skidders Tween Grip Sock-Stripes-Pink Gripper Sock for Girls Sock Size 7-9 93% polyester 5% nylon 2% spandex Skidders uniquely designed to keep children safe on wood, tile or marble floors. One size, fits shoe sizes 11-4, sock sizes 7-9 Perfect to wear at home, traveling, at the gym/spa or hospital Machine washable 93% polyester 5% nylon 2% spandex