These pots are made of 304 . They are great for your indoor or outdoor chef. and they are one of the most versatile pots on the market. It is possible to use the basket to boil. steam. or fry all of your favorite foods. or remove it for those large helpings gumbo or stew. It is 15.25?? diameter and 18.75 high. It has a 62 Qt capacity. It is made up of 20 gauge steel. It also has a vented lid. Its basket sits 3 inches above the bottom for steaming. The basket and the lid are included. 20 Gauge.