Notions > Thread > Mettler > Silk-Finish Cotton Variegated 50 wt. - 500 yards Both solids and multi's are perfect for all your quilting, sewing and long arm cotton needs. The mercerization of all Mettler cottons creates that beautiful silk-like sheen, high breaking resistance, color fastness and optimal elongation. Use Mettler's SILK-FINISH COTTON 50 with confidence to create your heirloom quilts, custom garments and creative projects. Manufacturer recommends needle size 80-90.