The fire table series is made with glass fiber reinforced cement (GFRC) so that it is able to withstand the heat created by the table as well as endure the elements. Each one of these propane or natural gas fire pits varies slightly in color and texture making it desirable for those looking for a fire table that is truly one of a kind. It offers clean lines with both a modern and industrial-style look. At 65,000 BTUs, these concrete fire pits provide both warmth and ambiance.