Nighttime Illumination - This brilliant blue radiant stone has 200, which can be illuminated at night after exposure to the sun or incandescent light (at least 2-4 hours). Luminescent Decoration- The mesmerizing luminous pebbles in the dark and they come together will be more shiny, a special decoration enough to catch the attention of passers-by, furthermore ideal for creating the romantic atmosphere at various festivals. Material Safety- Made co.ukom the high quality resin, environmentally co.ukiendly, without any radioactivity and non-toxic, harmless to human body, Can be used for a long time. furthermore the conditions of light storage are low, long lasting brightness. Widely Used - Indoor and outdoor pebble decoration, perfect for decorating the garden, fish tank, yard, potted plants, aquariums, swimming pool, DIY crafts and other landscapes, they can be used also to border the paths or as a border (recommend several packs for large surfaces). Multi-Colored Light Stone