Spun Polyester Sewing Thread of 40S/2 500yds Packing: Plastic Tube Quality: Extra Lubrication,Non-Knot, High-Resistance • Material100% Polyester Staple Fiber, 100% Polyester Filament • Production ProcessRing Yarn & TFO (Two For One)• QualityExtra Lubrication, Non-Knot & High-Resistance • ColorMore than 400colors available• Size20/2, 20/3, 20/6, 30/2, 30/3, 40/2, 40/3, 50/2, 50/3, 60/2 & 60/3• ...