Aurifil's Variegated Mako Cotton Thread is a 50 weight thread that is both thin and durable. All of Aurifil's thread is mercerized to give it a vibrant sheen and to make it stronger. This two-ply thread is ideal for topstitching, free motion quilting, embroidery, lacework, serging, applique, and much more. Get flat and crisp seams when using Aurifil's Mako Cotton Variegated Thread. Each of these ten vibrant colored spools contains 220 yards (200m).