1-.High Tenacity; 2-.Chemical resistant & Abrasion resistant 3-.Yarn hairiness is little 4-.Evenness 100% spun polyester sewing thread(20s,30s,40s ... /3, 40/2, 40/3, 50/2, 50/3, 60/2, 60/3, etc. Colors available: more than 400; High-quality polyester sewing thread ... /3)3000M, 5000MKnitted garments, fashionable dress, suit-dress, etc 40s/2 core spun polyester sewing thread