This 20 quart stainless steel water bath canner features a tri-ply base for even heating, and a tempered glass lid with built-in steam vent. The set includes a 7-Jar Canning Rack that holds quart or pint jars in the proper position for optimum hot water circulation. The racks design allows it to be raised and supported on the edge of the canning pot for easier jar removal. Dishwasher safe and grandmother approved.