Unique Curved Body-The cooker body is given the right curvature, which has three benefits: food is easy to stir during the cooking that is done prior to pressure cooking; this helps prevent the food from sticking or burning and clean-up is so easy! . For difficult dishes which require a lot of stirring, the Contura with its rounded sides is an ideal pressure cooker. Stainless Steel - Inside and Out-The Contura Silver pressure cooker body is Stainless steel all over, inside and outside, which, coupled with the stainless steel lid, ensures high standards of hygiene and durability. These metals are known to be less reactive with the juices and acids in various foods. Superior Stainless Steel lid-stainless steel lid along with the stainless steel body all over – inside and outside – ensures the highest levels of hygiene and durability!