Sulky Glowy™ Thread - Multi Pack

Make any machine or hand sewing project stand out using this fun, special effect thread! Its lasting luminosity is ideal for creating that super spooky effect at night. Glowy™ threads is affected by any light, whether sunlight or artificial. All colors glow a greenish hue.  Important: Thread's intensity of fluorescence depends on the length of time it's been exposed to light. Glow lasts approximately 15-20 minutes depending on the length of exposure. Tests have shown NO loss of luminosity after 50 washings. Made out of Polyester, this package is made up of 6 40 Wt. spools. Each spool is made up of 110 yards of thread.