Line a walkway bordering a flowerbed or decorate a garden aquarium with these unique pebbles. Glow lasts about two to three hours after exposure to full sunlight Quantity: 100 pcs/lot Size: 2-3 cm/0.78-1.18 inch Color: mix/white/green/yellow/rose red/blue Material : photoluminescent pigment + resin Package includes: 50pcs X Fluorescent pebble stone luminous stone FAQ: 1. Q: Will the luminous stone not glow is inadmissible? A: Lightstone is a product that stores light. The principle is that it can emit light by absorbing the light source. Each time the light is emitted is 8-12 hours in which the first 1-2 hours is the high light period and continues to shine. The product received did not emit light because there was no absorption light source during logistics. As long as you have sun or light for a while, you can shine again. 2. Q: Why do I have a sunny day during the day and it is still not lit at night? A: Because the principle of light is to absorb light and emit light, which means
