Glow in the dark stone / pebble cobble rubble

Glow in the dark pebble is made from Luminous powder and PS resin. absorb the visible light for 10-30 mins available glow in the dark more than 24 hours. and this absorb and emit light process is repeatedly.

Non-toxin, harmless, non-radiation, eco-friendly

Glow color: green, blue, aqua