Photoluminescent Tumbled Gravel is made from glass and photoluminescent powder, radioactive and toxic free

Photoluminescent Tumbled Gravel is made from glass and photoluminescent powder, radioactive and toxic free. After absorption enough natural light(Sunlight is the best),it can give off identifiable natural fluorescence in dark or at night for 8 to 10 hours or more.And this absorbing and emiting light process is repeated.Our goods is Non-toxin, Harmless, Non-radiation, Eco-friendly.Glowing stone pebbles are applicable in widely range,such as in scenic spots,city park,home balconies, courtyards, fountains, fish tanks, path, road, resin bound systerms,and any other decorative applications to beautify the environment.