FAMOUS GLOW GRAVEL STONE is made from photoluminescent materials produced by our company, radioactive and toxic free. After ten minutes of absorption of natural light, it can give off identifiable natural fluorescence in the dark or at night for the next 8 to 10 hours. This product is applicable to scenic spots, City Park, home balconies, courtyards, fountains, fish tanks, path, road, resin bound systerms,and any other decorative applications to beautify the environment.

Size: 3-5MM,5-10MM,10-20MM,20-40mm, or custormized

Packing:20kg/CTN, or custormized

Glow corlor: yellow-green,aqua-blue,sky-blue