Polyester,CottonMade of polyester, super comfortable material, very soft.Size: 7 different sizes for you to choose from. Length is the height of the sock in its natural state, not the size of the sock. The size of socks is a size, according to your needs for expansion, absolutely suitable for your feet.Can be worn all year round, with skirts, shoes, more lovely and beautiful. Japanese girl's favorite match.It is widely used. As a daily sock, it warms the thighs; it is one of the important collocations of cosplay; it learns the dressing style of Japanese girls,Academic ethos in Japan.Washing: Please wash by hand with cold water and neutral detergent. Lie flat and dry. No bleaching, no drying, no ironing