Tacony-Madeira Rayon Embroidery Thread includes 18, 40wt spools each containing 200 meters, in a variety of the Madeira's most popular colors. Also includes a conversion chart and embroidery thread guide. Madiera is the perfect thread for machine embroidery on high speed multihead machines as well as industrial sewing machines. Made from 100% viscose rayon. Spools come in a clear plastic storage case.