Weber's most efficient fuel to date. The new Weber briquette gives you glowing coals in just 20 minutes. All natural, made from ground up lump wood charcoal and compressed using potatoes starch, you will get no nasty additives or unnecessary fillers near your food. Burning at a lower temperature than lump wood charcoal, the Weber briquette is the ideal fuel for roasting and baking. Once lit it has a burning time of approximately 3 hours.