Mettler 9105-338 Silk-Finish 50 Weight Solid Cotton Thread, 164 yd/150m, Reef Blue 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