... 3.Use:sewing 4.Certification:ISO9001 Raw white thread 100pct spun polyester yarn sewing threadMaterial100% PolyesterColorRaw WhiteUseSewingCertificationISO9001Applicationgarment,glove,cap,bedsheet,blanket ... 30/3 40/3 50/3 60/3.2,TFO and Ring twist ones we can supply3,High strength, evenness ... material of glazed polyester staple fibre, so the sewing thread looks like brighter.5,If you need other colors, ...