All (except the smallest pan) have a flat bottom for stability. All have curved sides suitable for deep-frying and stir-frying. All but one of the Futura Nonstick Deep-Fry Pans have a round bottom and two short handles. The exception is then 2 litre Deep-Fry Pan (Stir-Fry Pan) with a flat bottom and a single long handle. The round bottom pans are also eminently suitable for stir-frying. The Breakfast Pan (Appachatty) with 0.9 litre capacity round bottom and two rosewood handles is ideal for the quick cooking of a variety of Indian and Western breakfast dishes. This is a non-stick deep frying pan which can also be used for stir frying. Non-stick surface. 2.5 Litres capacity. 26 cm diameter cooking surface. 3.25 mm thickness.