... .Dyed Polyester Sewing Thread 2.high temperature & high pressure spray dyeing 3.high quality, quick delivery Our Spun polyester sewing thread is a kind of very commom sewing thread ... industry and ordinary sewing.Material: Polyester Staple Fiber 1.2D*38MMSpecifications: 20s/2, 20s/3,30s/2,30s/3,40s/2,40s/3,50s/2,50s/3,60s ...