Safety: It is made of high-quality resin, no radioactive material, and has a fluorescent luminous effect. The fine craftsmanship provides you with a smooth surface without sharp edges. Environmental protection and energy saving: no need to use electricity, economical and energy-saving. Pebbles can absorb and store energy from sunlight or other light sources to glow in dark places. Reusable: Take out the package and put the pebbles in the sun or light to ensure that each pebbles absorb light. Without electricity, the pebbles can be exposed outdoors for many years. Various uses: The luminous stone is very suitable for garden decoration. It is also suitable for decorative vases, aquariums, water features, swimming pool decoration, bar decoration, villa gardening potted plants, parks, etc.