Product descriptionColor:Light blue, grass green, multicolorProduct SpecificationsMaterial: ResinQuantity:200pcsDiameter:0.8"-1.2"Thickness:0.3"Package :200 Pcs Glow in Dark PebblesWarm Tips Stones do not glow all night. There is a time limit. It is recommended not to spread them scatteredly.Stones will be placed together and the lighting time will be extended.These pebbles glow softly and it is hard to be noticed if not in the dark environment.Please keep the pebbles away from children to avoid danger of suffocation.Please irradiate stones again if they dont glow or bright enough.1. Glow in the Dark Pebbles Approximately 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-friendly No battery needed The Luminous Pebbles are made of premium resin-durable, non-toxic and 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 Charge Please spread out these glowing rocks and ensure each piece max area absorb and store energy from sunlight. 99 percent of the pebbles can glow in the dark at night.4. Outdoor and Indoor DIY Decoration Decorate 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.