Our fatory have specialized in thread,rope,tape,etc for more then 10years, welcome to your inquiry. ( Polyester Sewing Thread ) Polyester Sewing thread Features:a) (40s/3): used for tailoring, trousers, jacket, medium, heavy fabricb) (20s/2), (20s/3): used for jeans, upholstery PVC bags, canvas, footwearc) (40s/2) for shirts, jackets, pants, 20/2, 20/31) 20/2, 2000yards/3000yards/2000 meters/ ...