... polyester spun sewing thread yarnProducts introduction:Product Name sewing thread yarn Spec.20s\2,20s\3,40s\2,40s\3,50s ... color;customerized;original sample colorFeaturecheap,dyed full,silk shine,no knot,high tenacity,low shriknage,color fastness,soft ect.Usageknitting,sewing ... ,complete speceificationgs,stable quality, reasonable price and good reputation. No knot bright polyester sewing thread yarn