Material: Made of high quality resin, non-toxic and odorless, free of radioactive substances, fluorescent effect. The clean finish gives you a smooth surface without sharp edges. li> Eco-friendly and energy-saving: no electricity required, economical and energy-saving. Absorbs and stores energy from the sun or other light sources to shine in a dark environment. li> Glow-in-the-dark decoration: These garden decorations glow in the dark after irradiation with daylight, ideal as aquarium gravel, sparkling stones in the aquarium, pond, yard, as landscape decoration, as lighting for a path or a path. li> Reusable: Remove the packaging and place the pebbles in the sun or light. Make sure that each pebble absorbs light. Can be reused. Ideal decoration: Ideal for craft lovers and as ecological and bright decoration. Can be used for decorative vases, aquariums, aquarium landscapes, garden decorations, swimming pool decorations. li> Note: 1.Expose the stone to strong light for at least