Universal for Indoor/Outdoor Use - Our glow in the dark tape is made of high-quality PET material, which is non-toxic, safe for children, waterproof, durable and environmentally friendly. Quick and Easy - Fluorescent masking tape uses an advanced no-residue adhesive backing that can be adhered to a variety of surfaces and textures. Tip: Good adhesion is definitely an advantage. If you need to remove the tape, you can use a hair dryer to blow hot air. After heating, the tape is easy to tear off Multi-Purpose Home or Office Use - 33' X 0.5' fluorescent tape can be used for a variety of needs, including stairs, marking emergency areas, lighting doors, walls, and more. Long-Lasting Illumination - After collecting light energy, it can glow in the dark. Just 30 minutes of light exposure can make our glow in the dark tape glow for up to 6-8 hours! Waterproof and lasts for 6-8 hours. It can glow brightly after being exposed to natural light or any other light.