Our FMAOUS GLOW gravel and pebble is made from photoluminescent materials and glass.It is radioactive and toxic free. After absorption of enough natural light, it can give off identifiable natural fluorescence in the dark or at night for 8 to 10 hours. This product is widely 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,blue-green,sky-blue