100% spun 40S/2 polyester sewing thread ,sewing kit high tenacity,elasticity, the best quality,the cheapest price Material: 100% spun Polyester /nylon/cottonSpec: 30/2,40/2 40/3 50/2 50/3 60/2 60/3 80/2 and so on.Color : optionalYard: optionalPacking : carton packing or your requirement Features: high tenacity, high strength ,hight elasticity, moderate length, beauty color ,better style ,no ...