The glow in the dark stones are made of natural resin,the glow stones are artificial rocks, non-toxic, non- radioactive and odorless. Glow in the dark rocks do no harm to people and can be very safe for children to play. And glow pebbles are harmless to fish.The glowing luminous stones rocks can be used for fish tank, acquarium, yard decor, backyard walkway, pathway or driveway, garden outside decor, lawn, swimming pool, pond, bar indoor & outdoor grave decoration with these glowing rocks. Glow in the dark gravel can be used for art & crafting, DIY gift decorations.

Specifications:

Material: Resin

Optional Color: Purple, Green, Blue, Colorful, White, Blue+Green

Size: 13-17mm / 0.5-0.7in

How to Use: Keep the glow stones absorbing enough sunlight or artificial light at least for 1 hour, and pave glow rocks anywhere you like. The glow pebbles will give off shining and glow brightly in the dark for 5-8 hours, but as the sun sets slowly, the glow rocks begin to release its light source and become darker and darker. So if you receive the glow stones from the delivery not light. Put them under sunlight or other light for 5 to 10 minutes and they will light again.

Warning Tips: The glowing in the dark rocks need to spread out the glow rocks when charging to make sure the glow 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.

Package Includes:

300 PCS Luminous Stones Material: Photoluminescent pigment + resin. About 0.5-0.7in each. 300PCS /pack. How to make them glow: No electricity required. Put them under sunlight or lamplight to absorb light for an hour them they will glow for hours. Make your yard cool: Line a walkway, edge a flower bed or fill a planter with these pebble, make your garden or yard absolutely unique an