Natural Slate/Quartz Aquarium Stones - Size 1 to 3 Inch. PH Neutral. Perfect Rocks for Aquascaping Aquariums and Nano Tanks, Reptile and Amphibian Enclosures (5 lbs) (1 to 4 Inches)
- ☀ Material ☀ - Photoluminescent pigment + resin. Irregular round glow in the dark pebbles about 0.9 inch long. 400PCS per pack..
- ☀ How does these glow in the dark rocks work ☀ - Glow stones absorb and store light in day and glow in dark for 2-3 hours then gradually dim away. They can repeat this process for up to 15 years..
- ☀ Safe and Durable ☀ - Qguai glow in the dark stones are made of natural resin, non-toxic, non- radioactive and odorless, no sharp edges, will not harm your kids, fishes and dogs..
- ☀ Make your garden unique and cool ☀ - Use these decorative rocks to line a walkway, edge a flower bed or draw some symbols or images indoor and outdoor, your yard will be more interesting and memorable..
- ☀ Warm tips ☀ Do not stack the GLOW PEBBLES on top of each other but pave them out flat on the walkway for full exposure to light.For better glow effect in night, we advice to drop the glowing rocks near light source, such as street lamp..