GLOW IN THE DARK STEP TREAD REPLACEMENT WITH DUAL STRIPES
Non-Slip Tread with Both Reflective and Phosphorus Stripes. Features a
luminescent system, which glows in the dark once it has been exposed to
natural or artificial light. Methods of excitations include
incandescent, fluorescent and black lighting as well as direct or
indirect sunlight. Glows the brightest during the first 30 minutes after
activation has ceased, and remains visible to the night (darkness)
adapted eye for up to 10 hours. 6" W x 21" L.