polyester HT sewing thread, 7.6G/D above, for suitcase, bag, shoes, and garments, 150d/2 3, 210d/2 3, 300D, 440D, 660D,900d polyester HT sewing thread, 7.6G/D above, for suitcase, bag, shoes, and garments, 150d/2 3, 210d/2 3, 300D, 440D, 660D,900d polyester HT sewing thread