40/2 sewing thread 1.colorful sewing thread 100% spun polyester 2.different specification 3.high quality 4.favoral price 100% spun polyester thread Features: 1. a ... for tailoring, trousers, jacket, medium, heavy fabric d) (20s/2), (20s/3): used for jeans, upholstery PVC bags, canvas, footwear e) (40s/ ...