polyester filler cord 10s/3,10s/5,10s/5*3,20s/ ... ... 1kg--- 10KG/Roll 275dtex/3,300D/3 polyester filler cord thread 0.3mm---8mm 100% polyester thread:7s/10,7s/15,10s/3,10s ... *3,10s/10*3and so on, 65%polyester+35%cotton and65%polyester:35% cotton high tenacity thread,and binded thread :250D/3,300D/3,420D/3 ...