... resistant to abrasion when compareed to cotton thread of equal size.And very good chemical resistance ... : more than 400; High-quality polyester sewing thread for household or industrial use; Can be winded ... 2)3000M, 5000MJeans, handbags, sewing of keyhole and fastener, etc19.7*3 (30s/3)2000M, 3000M, 5000MTents ... 2)5000M, 10000MKnitted garments, suit-dress, over lock thread, etc 9.8*3 (60s/3)3000M, ...