Aurifil's Mako Variegated Cotton Thread is made from long staple Egyptian Cotton. It is a 2-ply thread that has been mercerized making it strong and shiny, ideal for embroidery, decorative topstitching, and more. Aurifil's grey spools of Mako Variegated Cotton Thread are 28 weight (28wt). This heavyweight thread is perfect for hand piecing, cross stitching, blanket stitching, and machine quilting. Aurifil Mako Variegated Cotton Thread is available in a wide variety of colors, and each spool contains 820 yards (750m).