100% cotton yarn carded for knitting and weaving 100% cotton yarn open end for knitting and weaving: Nm 20/1 (ne 12 Nm 50/1 (ne 30/1) [ tex 20 ] 100% cotton yarn carded for knitting and weaving: Nm 34/1 (ne 20/1) [ tex 30 ] Nm 40/1 (ne 24/1) [ tex 25 ] Nm 50/1 (ne 30/1) [ tex 20 ] Nm 54/1 (ne 32/1) [ tex 18, 5 ]