1.Material:100% nylon yarn 2.specs:30D,40D,50D,70D,100D etc ... FDY 40D/12F,40D/34F,70D/24F,140D/48F ETCNYLON6 POY 54DTEX/14F,93DTEX/24F ETC1.Material:100% nylon yarn ... 2.specs:30D,40D,50D,70D,100D etc 3.competitive price and high quality4.Usage :Knitting, Sewing nylon pa 6 yarn ... 70D/24F textured yarn for knitting