Chemical fiber 1) Composition: 100% acrylic 2) Count: 1.8S - 30S 3) Weight: 10g/ball, 15g/ball, 25g/ball, 40g/ball, Using the American dupont PTT elastic slice ,and without doule twisting processing, also has excellent elasticity effect, has been widely used for tatting and elastic cowboy products.Specification:75D/24F,150D/48F,300D/96F Note: D400 and T400 is the same kind productsFeatures:1 two ...