Add an elegant sparkle to your creativity with Sulky Original Metallic thread. A round, twisted thread that is created by twisting and bonding a fine metallic foil around a strong core to create an exceptionally smooth, strong and pliable thread. It is a joy to work with on sewing, serging, and knitting machines, and for handwork. Recommended Needle Size: 14/90, 14/90 Metallic or 14/90 Topstitch