Valdani Multi-Color Thread ~ Denim Blue ~ Light Blue ~ Medium Gray ~ Variegated Quilting Thread 50wt (40wt U.S.) 100% Cotton~ 545 yd ~ Denim Blues ~ M46 547 yd (500 M) spool 100% Cotton. Great for machine quilting, piecing, sewing & tatting. 40/3ply TEX 40 U.S. (50 wt Europe) Superb, Hand Dyed, Colorfast. Made in Romania