SILK-FINISH COTTON 40 is made from 100% long staple, Egyptian cotton and is excellently suited for patchworking and quilting. This thread is slightly thicker and therefore shows more beautiful decorative effects. Furthermore, SILK-FINISH COTTON 40 is also perfectly suited for sewing and because of the mercerisation process has a very reduced shrinkage and is heat resistant. Fibre: 100% Mercerized Cotton Length: 457m|500yd Weight: 23W/2Ply Needle size: 80-90