material:cotton,nylon,chinlon weight:0.2g Size:m,l color:black,blue,white Specification:1)material:cotton,nylon,chinlon.weight:0.2kg..2)Size:M:big opening30-42cm,small opening 22-30cm,length52cm.L:big opening:32-44cm,small opening 24-32cm,length52cm.3)Color:black,white,blue.4)Description:reduce fatigue, keep warm,anti slip,elasticity and light.5)Note: price is one product.Package: 1. Inner: Paper ...