4 rolls Glow in The Dark Tape each roll 1 Inch x 10 Feet total 40ft Green Fluorescent Tape Waterproof for indoor Outdoor Black Light Luminous Tape traffic warning sign, Halloween Decorations and Stage Signs instruction. Features details ?Night Objects Marking? The gaffer glow tapes can emit bright fluorescence at night and mark your objects, so you can see the target object from a distance or dark and bring convenience to your life. ?Recharable Glow?Please charge the Luminous tape strips under natural or artificial lights for 15-30mins, longest glow for up to 6 hrs. The lights are brightest in the first 2 hours and weaken over time. ?High Quality?The UV glow material is made of quality PET, the back has a strong adhesive. The tape is flexible, durable, could be waterproof and removable without residue. ?Multifunctional Tapes?The glow tapes can be widely used at home, office, parties, theatre activities, clothing, games, cardboard, backpacks, bikes, walls, glass, handrails, stairs, doors, exits, emergency corridors, switches, instruments, imaginative projects, artwork, lettering and more. ?Note? Please clean the object's surface before pasting, you can put this reflective tape on any smooth and flat surface, but please don't stick it on the uneven, rough, high curvature items, otherwise, it may fall off.