Polished Glow in the dark Granules 3-5mm
The specification of glow gravel as belowing.
1.Avaliable Colors:Yellow-Green,Aqua-Blue,Sky-Blue
2.Specification: Usually it glows 8-10 hours in darkness
3.Avaliable Size:3-5mm,5-10mm
4.Service time:Over 15 year outdoor
5.Delivery: 3-7 days with regular size