Features: This washable and wear resistant material of these girls boys seamless socks can maintain their original shape and elasticity even after repeated washing, so that the feeling of wearing will last forever. The unbound design of sensory socks for kids completely lifts the sense of bondage brought by socks to children, lightweight and cozy, it helps children walk easily and freely, and effectively prevents swelling of the feet and ankles. And these cotton socks kids can be not only regarded as heartwarming gifts for children, but also our most sincere wishes for children to continue to explore the wonderful world. Specifications: Material: 95% cotton and 5% spandex Size: below sizes for your choice Medium: about 2.95 x 10.43 inches/ 7.5 x 26.5 cm Large: about 2.95 x 12.20 inches/ 7.5 x 31cm Extra large: about 2.95 x 13.39 inches/ 7.5 x 34 cm Package includes: 6 Pairs of seamless socks for kids with sensory issues Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays