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.