It is produced by using the selected super high tenacity polyester filament,it is the best choice for the sewing of classical suits and high quality garments for its neat and even seam,also suitable for footwear and leathers for its super high tenacity. Feature: very high tenacity, low elongation. Excellent abrasion resistance and durability. Uncommon seam strength and seam elasticity. Suitable for high speed sewing. Used for sewing leather goods, footwear, upholstered furniture, sporting goods, luggage, quiltings, & binding, Safety yarns,etc.