High Quality Polyester Threads. Size: 730Yards 138 T135 Size 420D/3 . Thread Net Weight: Threads 110g. Formed by hot drawing setting machine imported from Italy to ensure the threads with high strength, UV resistance and abrasion resistance;rich colors to be chosen; not easily fade or shrinkage. Winded by winding machine purchased from TaiWan to make our threads better choice for high-speed sewing, high-density fabric sewing, long-distance continuous sewing. Better UV Resistance Than Nylon Thread: With extremely strength, Poly thread and Nylon thread are both great for canvas upholstery, leather, Denims and more. While there is an abvious difference between them, it lies in Outdoor Applications. Poly thread is primarily used in upholstery and furnishings that will be subject to sunshine.Ideal for stitching outdoor furnishings, convertible automobiles, awnings, and more. Perfect for outdoor market, drapery, beading, purses, wallets, canvas, clothing, awnings, tents industrial, home textile, leather goods, footwear, luggage, shoes, car mats, upholstery and much more Good for any home or commercial machine,will not break at high speed machines.