... threads, spun polyester sewing threads, polyester spun yarn. specifications contain 60s/2, 60/3, 50/2, 50/3, 40/2, ... /3, 40S/2, 40S/3, 50S/2, 50S/3, 60S/2, 60S/3Yarn count Usages20/2 Jeans ,shoes, caps, leather products, etc20 ... /2/3,40s/2/3,42s/2,50s/2/3,60s/2/3• Material100% Polyester Staple Fiber • ColorMore than 800colors ... special count, grade, color, and others. 100% polyester sewing thread 60s/2