Nylon Sewing Thread Nylon monofilament yarn,nylon sewing thread, only 1 F (Filament),it is made by virgin nylon chips with extruder machine. 1.Material: 100% Virgin Nylon Chips 2.Color: natural white, transparent, invisible, clear black smoke can be customized 3.Standard N.W/PC: 90Gram, 100Gram, 120Gram, 170Gram, 180Gram, 200Gram 4.Standard Length: 3000Yards, 5000yards, 10000yards meters can be customized 5.Package: Kingspool, Y-cone 50 PCS/CTN, 120 PCS/CTN, according to your request Advantages/Features: monofilament sewing thread(also called clear thread or monofilament or invisible yarn) is perfect for quilting tops made with a wide range of colorsm values and visual textures. NTEC invisible threads are consistent and made of 100% nylon or polyester super strong and smooth.