1.Glow in the Dark PebblesApproximately 200 Pieces non-toxic glowing resin pebbles per bag. These pebbles absorb enough sunlight or other artificial light during the day to glow up to 2-4 hours at night or any other dark environment. Glow stones can absorb light and glow continuously.^2.Safely and Eco-friendlyNo battery needed The Luminous Pebbles are made of premium resin-durable, non-toxic & tasteless and non-radioactive. Which it is no harm to people, fish, birds and plants.There is no sharp edge with fine workmanship and polish.^3.Sunlight ChargePlease spread out these glowing rocks and ensure each piece max area absorb and store energy from sunlight. 99% of the pebbles can glow in the dark at night. ^4.Outdoor and Indoor DIY DecorationDecorate walkway, pathway or driveway, edge a flower bed or fill potted plants with these glowing pebble stones.Interesting DIY decoration for vases, fish tanks, aquarium, crafts, swimming pool ect. So We could Create a dreamy nighttime environment.^5.Reusable: remove the packaging and place the pebbles under the sun or light, be sure that each pebble absorbs light. Can be reused.