Opa Arki casserole 5.0 L is made of stainless steel. This generously sized pot is ideal for preparing potatoes, pasta, and soups. Its thick base conducts heat evenly, and it is suitable for all types of stovetops, including the oven. Cleaning is effortless in the dishwasher. 5-year warranty. The diameter of the opening is 22 cm, and the base diameter is 19.5 cm.