Superior Threads Glitter Hologram Embroidery Thread 400 yds Spool; 101 Light Purple 102-01-101 Price is for 1 Spool 400 yards of Superior Threads Glitter 101 Light Purple 102-01-101 Hologram Embroidery Thread This hologram thread is washer, dryer, and iron safe (medium heat); made from metallized polyester thread (similar to Mylar balloons) Ideal for embroidery and quilting Home Machines: Topstitch #90/14; set top tension to 1.0 Longarm Machines: #18 (MR 4.0); reduce tension