Madeira Classic Rayon #40 - 1100YD Mini Snap Cones - Color - 1123 - Parchment. Madeira's Classic #40 is the standard size embroidery thread and is ideal for most designs. Made from 100% viscose rayon, it is perfectly suited for embroidery on high speed multi-head machines. It is known worldwide for its high tensile strength and glossy luster.