Trade name: Velvet Children's Dance Socks Girls' Ballet Socks Material: Spandex Product Details: 1.The waist design is simple and generous, comfortable and elastic, making it more natural and soft. 2.The fabric is made of a combination of nylon and spandex, which is high-grade, smooth, soft and skin-friendly. 3.Fashionable one-piece pantyhose that combines the sole of the foot with the legs for more natural comfort. Material: Cotton S sock length about 50cm M sock length about 55cm L sock length about 60cm XL sock length about 60cm