WIDE USAGE: FutureWay tempered fire glass is designed for using in fire pits, propane & natural gas fireplaces, fire table, fire bowl.
CHARMING LUSTER: The blue celestial glass is elegant. Beautiful color, nice shine and sparkle. Shines beautifully and it really gives the fire pit a more exotic and luxurious appearance.
HIGH SAFETY: The fire glass is very resistible to High temperature. They had not been any artificial polishing, keep the natural shape will not easy to break and splash out of the fire pit table.
DURABLE: They do not leave any burn residue. No ash, soot and smoke. Fire bead will not melt, fade or discolor over time.
QUANTITY REQUIRED: Rounded -Calculation: Diameter*Diameter*Depth/24; Square / Rectangle -Calculation: Length*Width*Depth/19