100% polyester yarn for sewing thread 1.Raw materials 2.High tenacity ,high strengh,bright,evenness,no knots... 100% polyester ... e-longation, brighter ,evenness.6.Model Number :20s/2,30s/2,40s/2,50s/2,60s/2,20s/3,30s/3,40s/3,50s/3 ... which imported from ItalyYarn TypeWeight (g/100m)TwistStrength(cn)T20s/25.8259.62200T30s/23.9681600T40s/22.9181.31050T50s/22.372.3850T60s ...