Lend an eerie glow to your Halloween costumes using this glow-in-the-dark heat transfer vinyl from Siser. You can also use it to adorn bed sheets and pillowcases in your kids bedroom, or jazz up T-shirts and jackets for a cool costume party. Details: 11.8" x 36" PU and PET 90 microns Pressure sensitive backing 6 hours glow time CPSIA certified Applies to cotton, polyester, poly/cotton blends and leather For use with 45-degree or 60-degree blades For use with Siser Weeder, multipurpose paper, kraft paper or heat transfer cover sheet