Lagostina stainless steel pressure cooker Gasketless design. Has been tested and works ~ 8 3/4" internal diameter, 7 1/4" internal depth Some cooking stains, burned in food which can be removed by scrubbing and/or boiling baking soda. Note: This unit is not ferrous and is not directly compatible with an induction cooker Being sold on behalf and full sales proceeds to Metchosin Community Association