ASIBT 500 Pcs Glow in The Dark Stones,Garden Pebbles Rocks for Outdoor, Walkway, Window, Yard Grass, and Fish Tank Decoration (Multi Color);

Specifications
Color: Multi Color
Material: Polystyrene (PS)
Diameter: 0.8"-1.2"/ 2-3cm
Quantity: 500 pcs Multi Color glow pebble

Features
Can be placed in water, no harm to fish and water
After absorbing light, the pebble will glow brighter within 2-3 hours, and then the brightness will decay quickly.
NOTE: As the pebbles can glow only for 2-3 hours, so please check the glowing effect within 2-3 hours after leaving the light source.