Notions > Threads > Madeira Rayon Variegated Madeira Rayon No. 40 is the most popular lines of rayan embroidery thread. It has a soft, vibrant, silky appearance which is perfect for quilting, decorative stitching, and embellishment. Its high tensile strength combined with soft texture can accomodate applications on finest silks to the toughest leather or denim. 200m (220yds) per spool.