Preferred material: 100% Spun Polyester 40S/2. The two most classic and practical colors of black and white, non-bleaching, non-fading, non-balling, non-knotting, uniform thickness, smooth, strong tension, warp pull, warp pull, bobbin Is plastic; Health and environmental protection: The use of environmentally friendly polyester is more durable and stronger than small-volume handmade sewing threads. Our products do not contain azo and are non-irritating to the skin. They can be directly contacted with the skin and meet the standards of clothing; The number of yards is sufficient, not easy to break:3000 Yard high-quality polyester, professional sewing machine thread, can also be used for hand sewing. The thread breakage rate is lower than similar products. It has good lubricity and good sewing effect. The heat shrinkage rate at 150 is less than 2% Application: It can be used for general fashion fabrics, all kinds of knitted fabrics, silk, shirts, swimwear, ties, raincoats, sportswear, gloves, etc. This sew all thread set provides good performance for both hand and domestic machine. It can be used for many Projects include sewing, clothing repair, alteration, cushion making, tailoring, tapestries and any other stitching work. Suitable for cotton, wool and synthetic fiber fabrics; Easy to use by beginners and professionals, practical design suitable for all levels, and perfect for stitching, sewing, buttons, rips, toys, arts and crafts -multipurpose use for all sewing needs.