8 wt. polyester/metallic thread. Designed for bobbinwork, couching, and reverse quilting. Razzle Dazzle was designed to be bold and decorative. A thick 8wt. polyester thread for bobbinwork, couching, and reverse quilting, Razzle Dazzle adds a presence that will be visible. Available in 25 colors. Razzle Dazzle is iron and dryer safe on medium heat.