Glowz Glow in the Dark Photoluminescent Green Luminous Tape 30' ft Length x 1 Inch Wide High Luminance, Waterproof, Removable PREMIUM SELF ADHESIVE GLOW IN THE DARK TAPE - Non toxic, waterproof, non radioactive glow in the dark duct tape sticker - Durable Can be used for bad weather ( feasible operating temperature 18 - 28C) , sticks easily and can be removed efficiently EXTENDED GLOW TIME UP TO 12 HOURS WITH HIGH INITIAL LUMINANCE - long glow time (10-12 hours) after 30 minutes of light exposure - Service Life: 10 years outdoor, 25 years indoor MATERIAL TYPE : PVC, Adhesive Pet type - excellent results for computer cutting, lettering, sliting VERSATILE APPLICATION - Use on stairs stairwell steps and handrails, evacuation corridors, emergency exits, instruments, switches and controls - safety signs, traffic signs, firefighting signs, great for glow in the dark party supplies. ROLL MEASUREMENT (EXTRA LONG) - 1" x 30' ( 1 inch width by 30 feet length)