40D spandex bare yarn,AA great,top quality,it has wonderful elasticity and excellent elastic recovery rate We can provide spandex bare yarn 20D--1120D, the yarn can be used in covering, weaving, knitting, as for covering, spandex bare yarn can be covered with polyester yarn, cotton yarn, nylon yarn and etc, then can be used in making socks, jeans, underwear, swimsuit, pants, denim or any other ...