Let the Piazza 19 in. Gas Tabletop Firebowl - sand burn at your next backyard get-together and watch your guests be entranced by a unique fusion of stone, fire, and glass. This unique tabletop firebowl is made of sand-colored EnviroStone, a unique rock and resin composite that's weather-resistant and extremely durable. On top, there's a glass-rimmed stainless steel burner hidden by molten lava rock, where the flames dance on command. It's powered by a standard 1 lb. propane tank, with electronic ignition and easy controls.