High Performance Ultra Grade Glow StonesULTRA Grade NOT Hobby-Grade materialGreat for: Concrete, Cement & Asphalt surfaces10 minutes of daylight and it will glow all night!Can be re-charged for over 10 years
AGT ULTRA Glow Stones are high performance glow in the dark stones that should not be confused with other cheap glow rock chips and glow pebbles being sold on by others.. THESE REALLY GLOW!!!
Ambient Glow Technology AGT Sky Blue 1 2 12mm ULTRA Glow Stones RUZOYTDXI