... Use:sewing 3.Certification:ISO9001 100% spun polyester sewing thread,40S/21.Material:100% polyester2. ... Use:sewing3.Certification:ISO9001 ItemSewing ThreadMaterial100% Virgin Polyester ColorAny colorCertificationISO9001UseSewing ApplicationGarment, glove, cap, bedsheet,blanket, shoes, ... function……4,We use the raw material of glazed polyester staple fibre, so the sewing thread looks like ...