... used for the weaving 4.deliverytime 7day 1.45s 45s 90%polyester and 10%cotton ring spun yarn2. good aquality and ... The yarn catalogue:t/c 80/20 yarn45s, 40s, 32st/c 65/35 yarn45s,40s,35s, 32s, 30st/c 90/10 yarn30s, 45s, ... 50s,60st/c 50/50 yarn30s,50s ... 60/2 Black yarn 20s 30s 40sGrey yarn 20s 30s 90/10 polyester cotton yarn