DMC 317WPK3 Light Effects Polyester Embroidery Floss, 8.7-Yard, Fluorescent This dazzling versatile thread can be used for a variety of techniques, from cross-stitch to needlepoint to all types of embroidery Made of 100 percent polyster material Threads are washable and dry cleanable and resistant to tarnish Available in fluorescent color Measures 8.7-yard in length