Diameter: 0.8"-1.2"/ 2-3cm
Total weight: approx.
The pebbles will glow for 2-3 hours after absorbing enough sun or light.
The brightness is relatively high within the 2-3 hours, then the brightness will be reduced.
Pebbles can absorb light repeatedly, and their life expectancy lasts up to 15 years.
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.