Product description Quantity: 100 Color: blue, green, mixed color Material: luminescent material Package content: 1 pack of luminous pebbles 1.Glow in the Dark PebblesApproximately 100 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, LED/UV light ChargePlease spread out these glowing rocks and ensure each piece max area absorb and store energy from sunlight, LED/UV light. 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.Warning Tips: The glowing in the dark rocks need to spread out the grow rocks when charging to make sure the grow stones to get maximun light exposure. The glow pebbles are very small and need to be played under the supervision of adults to prevent young children(under aged 6) from swallowing them