... cones 1.100% polyester 2.fastness,low shrinkage 3.for sewing knitting 20s/3 textile paper tube or coned 100% polyester spun yarn1) Specification ... :20S/2, 20S/3, 40S/2, 40S/3, 50S/2, 50S/3, 60S/2, 60S/32 ... ) Material: SINOPEC Yizheng Chemical Fibre Co Ltd 100 polyester 1.33Dx 38mm5) Color: Raw white or dyeable colors for your selection6) Strengh ...