... .Use:sewing 4.Certification:ISO9 Spun polyester yarn sewing thread 20/2 20/3 raw white threadMaterial100% PolyesterColorRaw WhiteUseSewingCertificationISO9001Applicationgarment,glove,cap,bedsheet,blanket ... :7cn/Dtex MinProduct Characteristic1,Speciafications:20/1 40/1 20/2 30/2 40/2 42/2 50/2 60/2 12/3 20/3 30/3 40/3 ... 50/3 60/3.2,TFO and ...