... % polyester spun sewing thread yarnProducts introduction:Product Name sewing thread yarn Spec.20s\2,20s\3,40s\2,40s\3,50s ... ,high tenacity,low shriknage,color fastness,soft ect.Usageknitting,sewing,crochet,embroidery;widely uesed in apparel,textiles & leather productsPacking1-2kg/cone ... price and good reputation. No knot bright polyester sewing thread yarn