This double boiler set is perfect for reheating foods and eliminating scorching. It includes a stock pot, double boiler insert and domed cover. The insert capacity is 11 quarts and the stock pot capacity is 12 quarts. The set is made out of HT+, which is an exclusive alloy that is 30% harder than standard aluminum, which allows the metal to maintain its shape and resist dents. This item is shipped as two complete double boiler sets.