Features: Velcro backing. The brighter the light source, the quicker charge time. Made in the USA. Description: Mark your gear with Maratac glow patches, and you'll be able find your things in dark places, including inside your own bag. Originally designed for marking emergency equipment on submarines. These glow patches are long-lasting and reusable, and they recharge by absorbing light from any source. Mark exit paths, remotes, keys, suitcase handles-the possibilities are endless! While you're here, take a look at the huge collection of flashlights and pocket knives at Blade HQ.