Sulky Thread Blendables Midnight Sky 4022. 30 wt thread. 500 yd spool.<p>These exciting new multicolor threads are a masterful blend of different colors within the same range of tone and intensity, with random, subtle color changes every 2-1/2 to 5 inches! No thread has ever done that before. They will add excitement to your quilting and everything else you do. They're made of the highest quality, long-staple, 100% Egyptian Cotton and come in 84 colors in both 12 wt. and 30 wt. snap-end King Spools. They're so ideal for quilting, thread lace, bobbin work, thread painting, red work and decorative embroidery, you'll wonder how you ever got along without them.