Glowing in The Dark Gravel Rocks (Pink)

Product information: Product Size Length: 0.80-1.20 Inch (Irregular Shapes)Width: 0.5-1 Inch (Irregular Shapes) Product Weight 100 pcs: 7.41oz500 pcs: 37.05oz Package Component Approximately 100 Glow Pebbles Approximately 300 Glow Pebbles Approximately 500 Glow Pebbles Approximately 600 Glow Pebbles  These special pebbles can be used to line a walkway, edge a flower bed, decorate a greenhouse, or even a fish tank. Within 2-3 hours of absorbing light, the pebble will shine brighter, but the brightness will easily disappear. Pebbles can absorb light several times and have a lifespan of up to 15 years.