1. 100% Polyester sewing thraed 2. Count: 15/2, 20/2, 20/3, 20/ ... , 60/2, 60/3 and 80/2, etc. 1. 100% Polyester sewing thraed2. Count: 15/2, 20/2, 20/3, 20/6 ... 1000yds/small tube4. Color: we have color card with 400 different colors, also buyers' colors are acceptable5. Quality class: we have ... . For other quality technical index please contact with us 100% Polyester Sewing Thread