... polyester 2.Packing:PP bag or carton 3.Use:sewing 4.Certification:ISO9001 Raw white thread 100pct spun polyester ... yarn sewing threadMaterial100% PolyesterColorRaw WhiteUseSewingCertificationISO9001Applicationgarment,glove,cap,bedsheet,blanket,shoes,bag……MainTechnical IndexTwist per ... 4,We use the raw material of glazed polyester staple fibre, so the sewing thread looks ...