Description:[Material] These fire glass are made of good glass, with a smooth, transparent, ornamental appearance. It has high hardness, is not easy to wear and fade, has high-temperature resistance, and can be used for a long time.[Feature] Our fire glass looks great and is also very practical. It can cover the entire fire floor well and hide unsightly pipes; Lay a layer of fire glass and then cover it with fire pit glass to make your fire look different and keep warm on cold nights.[Easy to Use] Our fire pit rock is easy to heat and extinguish, it will not light itself, the glass will retain some heat but will not continue to light after the gas supply is turned off.[Wide Application]Fire glass is suitable for indoor or outdoor environments and can be used with natural gas or propane stoves.