Oubest Fish Tank Rocks Glow Blue/Glow In The Dark Pebbles For Garden/Fish Tank/Aquarium/Plant Pots/Bonsai Walkway/Driveway 100Pcs

HOW IT WORKS: Glow stones absorb and store light and then when in darkness they give off light with 2-3 hours of bright glow and then gradually dim away. They can repeat this process for 15 years. VERSATILE DECOR: In darkness they glow and help to show walkway path driveway floor or decorate garden aquarium fish tank plant pots bonsai. PRODUCING SPECIAL EFFECTS: With the dreamlike glow in darkness they could produce special effects. NON-RADIOACTIVE & NON-TOXIC: Made of long-afterglow luminous powder polystyrene resin which are non-toxic and do not contain any radioactive elements. WARM TIPS: The darker the surrounding and the more exposure to visible light the more bright glow can be seen. When applying do not stack stones on top of each other.