... 23#,32#,37#,42#,52 2.Spandex,Polyester,Nylon Yarn 3.Single Layer,Double Layers Covered WELCOME TO DONGXING BELT ... Yarn 1 Spandex yarn 70d,140d,280d,420d,560d,840dCover Yarn 2Polyester yarn 33dt/36f,100dt/36f,167dt/36f,333dt/36fCover Yarn 3Nylon yarn ... screw, bandage, clothing, knitwear;widely used in various labor gloves yarn, knitted products, woolen products, textile products, embroidery, shoes, ...