The Subtle Sampler by Karen L. Miller (Redbird Quilt Co.) thread kit of 12 large spools of 100% cotton Mako thread from Aurifil. Includes 2 large 12-weight (383 yard), 3 large 28-weight (820 yard), 3 large 40-weight (1094 yard), 2 large 50-weight (1422 yard), and 2 large spools of monofilament (1094 yard) 100% Aurifil Cotton thread spools. Includes the following colors: 12-weight 6722, 6723; 28-weight 2430, 2130, 2880; 40-weight 2530, 5017, 5006; 50-weight 2312, 2000, 1 large spool of clear monofilament and 1 large spool of smoke monifilament. Long staple Egyptian cotton is the best in the world!