... Use:sewing 4.Certification:ISO9001 Raw white thread 100pct spun polyester yarn sewing threadMaterial100% PolyesterColorRaw WhiteUseSewingCertificationISO9001Applicationgarment,glove,cap,bedsheet,blanket,shoes ... 40/3 50/3 60/3.2,TFO and Ring twist ones we can supply3,High strength, evenness, bright ... function……4,We use the raw material of glazed polyester staple fibre, so the sewing thread looks like ...