Spring Arm Warmer: 80% cotton , 17% polytester, 3% elastic Spring Arm Warmer:more than 8 design for the arm warmer,composition: 80% cotton , 17% polyester, 3% elasticsize: free size, for man and womanwe are socks factory ,as the represent of our company,i should say welcome you visit to our factory. we are special socks manufacture,so if you meet any questions,pls ask me."High quality costs low ...