Use Mettler's Silk-Finish cotton 50wt with confidence to create your heirloom quilts and custom garments. It's the perfect sewing and quilting thread for the finest cotton creations. Pure Egyptian cotton is made of 100 long stapes, with the natural cotton creating that beautiful soft silk-like sheen. Due to the mercerization process, the thread reaches a high breaking and ironing resistance, and colorfastness, and has reduced shrinkage. Weight: 50/2, 164 yards -recommended needle size: 80/12 and 90/14.