... is a new type of long after-glow luminescent material. Free from any radioactive substance, it can glow in the dark ... , clock, fishing gear, crafts, gym articles and so on, but also in architecture, decoration, conveyor carrier, military equipment, fire fighting emergency ... (entrance and exit sign, indicating system of fleeing and life-saving) etc. Glow in the Dark Powder - Photo Luminous Glow Powder