Sakura Solid Marker - Glow in the Dark

Ideal for search and rescue markings in dark environments. Marks on most surfaces: Concrete, Wood, Glass, Metal and Plastic. For indoor and outdoor use. Waterproof on most surfaces. Will mark on wet or damp surfaces. Dries in 10 minutes. Like all glow in the dark products these need to be charged with light. When using make sure you are marking an area that will both get light and complete darkness.