10pcs Outdoor Yard Luminous Stones Garden Pebbles Glow In Dark Fish Tank Aquarium Decoration Natural Crystals Rocks The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with s policies and EU Product Safety and Compliance laws. Welcome friend !Quantity:10PCS/LotType:Luminous stonesColor:As Picture ShownMaterial:ResionSize:About2.2cmFeatures: Made of high quality resin, non-toxic and odorless, no radioactive substance. Fluorescent glowing effect Body reaction glowing principle, no power or battery required. The pebbles need enough sunlight to absorb ultraviolet light before they can shine in the dark. Our multi-color glowing in black pebbles can be used to decorate roads, lawns and gardens can be used to decorate potted plants, and gardening also used to decorate fish tanks, and swimming pools suitable for some special occasions, parties and so on. The light of black pebbles from the dark is the best decor at night. Label: Yes