The Nelkon Stanless steel cooker body and lid are made up of 18/8 food-grade steel which helps it to stand Corrossion and various acids in food . Nelkon cookers will last long due to its High Grade 304 stainless steel. It also has the 5.8mm heat diffusing Encapsulated Bottom made of steel, Aluminium, Steel which makes it suitable for Gas, Induction Plate, Electric and Coil Hot Plate and Ceramic Hotplate. This Versatile Cooker Provides you maximum Utility. It can be used for light / deep frying too. The inner lid cannot be opened until the pressure inside has fallen to safe levels, which adds to the safety element of the cooker. The handle is smartly designed so that the nuts are far ends of the handle and you can easily grip the handle w/o coming intouch with the hot surfaces. It is ideal for 5-7 people.