US Made Glow-in-the-Dark Tactical Safety Tape - Luminous Military Army Phosphorescent Roll High Fluorescent Adhesive Sticker MEETS US ARMY & MILITARY STANDARDS. Made in the USA. GSA compliant. WATERPROOF TAPE. STICKY BACK. Self adhesive. sticky back. Washes easily. Flexible. GLOWS IN TOTAL DARKNESS. SUPER BRIGHT COLOR! that works great in the dark! After exposure to light source, glows for up to 4 hours. Works by absorbing surrounding light and giving out light in the dark. MULTI PURPOSE TAPE, BETTER THAN ANYTHING ELSE YOU WILL FIND! Can be used on helmets (cat eye), sporting goods, walkways, escape routes, light switches and more! EXTRA LONG ROLL. CUT AS MUCH AS YOU NEED. Size: 1" Wide x 150 Feet long. Will work for many years and charges automatically when being exposed to light. Eco-friendly, non-toxic and non-radioactive material. Kid & Pet Safe.