... high-class shoes, bags, forniture, outside products, and safe products. Nylon 66 sewing yarn is the No.1 ... made by twisting the nylon filament, sticking inside, and molding to make sure no separation. Due to ... the advantage of nylon materials and the effective lubricant disposal,nylon bonded N66 sewing ... sewing effect. The water-proof, fire-proof, and anti-static feature of all threads can be ...