... .Import Latex 23#,32#,37#,42#,52 2.Spandex,Polyester,Nylon Yarn 3.Single Layer,Double Layers Covered WELCOME TO DONGXING BELT ... used textile accessories spandex corved yarnElastic Rubber Thread Introduction:Cover Yarn 1 Spandex yarn 70d,140d,280d,420d,560d,840dCover Yarn 2Polyester yarn 33dt/36f,100dt ...