This ultra bright glow pebbles is the latest product. There are aqua-blue, sky-blue and yellow-green. The glowing time is 10-12 hours at least. The work years are about 8 years. It is high-temperature resistant, UV resistant, waterproof and non-toxic and no radiation. This material can be widly used 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.