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 ... in one bags ,25kg per bags ,980bags in one 40HQ, 420 bags in one 20GP25.65 kg per pp bag (gross ...