Hunan Famousluminous glow stone is a kind of simulation photoluminescent stone,which is made from glass meterial and photoluminescent powder produced by our company, radioactive and toxic free. After thirty 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,10-15mm,15-25mm,20-40mm, or custormized