... :100%Polyester or 100% cotton or as your requirement.3) Color: Can be made as required.4) The line can be 40s ... , 20s/3, 20s/4, 30s/2, 30s/3, 20s/2, 40s/3, 50s/2, 50s/3........5) The length and weight ... new and old customers from all walks of life to contact us for future business relationships . 40/3 100% spun polyester yarn sewing thread