BONUS: Add the Volcano Lid to Your Order [$24.95]: The lid is made of a durable, heat-resistant material and works by trapping and circulating heat in the Volcano. The lids increases efficiency and adds to the versatility of the Volcano. This is the best way to bake or smoke with the Volcano. The Lid is also excellent for Dutch oven cooking, trapping the heat and (in most cases) eliminating any need for adding top briquettes. Easily folds up and fits in your Volcano carrying case.