Aurifil's Mako Cotton Thread is a 2-ply, long-staple Egyptian Cotton that has been mercerized to strengthen the thread and give it a lustrous sheen. Mako Cotton thread in 40 weight is slightly thicker than a standard thread, making it ideal for topstitching, free motion quilting, embroidery, lacework, and much more. Aurifil Mako Cotton Thread is available in a wide variety of colors, and each spool contains 1094 yards (1000m).