Glow-in-the-Dark Step Tread

Glows in the night for up to ten hours! Features a reflective strip and a night glow phosphorous stripe.
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.