... .Import Latex 23#,32#,37#,42#,52 2.Spandex,Polyester,Nylon Yarn 3.Single Layer,Double Layers Covered WELCOME TO DONGXING BELT ... Spandex yarn 70d,140d,280d,420d,560d,840dCover Yarn 2Polyester yarn 33dt/36f,100dt/36f,167dt/36f,333dt/36fCover Yarn 3Nylon yarn 76dt/24f,144dt/48f Core ...