This high quality non-tumbled, tempered glass from American Fire Glass has been manufactured via a unique 5-step process that allows it to withstand harsh weather and temperatures of up to 1300 degrees Fahrenheit without sustaining any damage or discoloration. Another advantage of fire glass is that it does not emit any harmful chemicals, smoke, soot, or ash, thus it hardly requires any cleaning and is very easy to maintain! Used correctly, this amazing product could last your customers a lifetime!