Made from finest photoluminescent materials produced by the Glow Nest, 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. Pieces in 100 grams : 6 – 7 pcs Cobble Size : 3 – 5 cm * Note: Glow times are Estimates only and may change upon the charging time
