9-19mm Sky Blue Gravel HIGH Glow
This is a bright batch. Glows up to 10 hours!
Made using advanced ceramic technology and Glow powder.
Sizes are approximate, as gravel does vary in size.
Glows up to 10 hours when fully charged. To charge, simply expose to light.
Warning: Not for use by under 3 year olds, choking hazard and may have sharp edges.