BODY: Prestige Popular is an outer lid pressure cooker made from virgin aluminium which is light in weight and long lasting. The outer lid feature is suitable for both separator cooking and direct vessel cooking. PRECISION WEIGHT VALVE: It is the first level of safety feature to release pressure above 1kg/cm2, which makes the cooking safe and time saving for you. It is made up of brass with steel coating on it for durability GASKET RELEASE SYSTEM: This is the 2nd level of safety provide in Prestige pressure cooker, in case there is any blockage of vent tube, gasket will bulge and steam will release through the slot. Thus making it extremely safe for usage. METALLIC SAFETY PLUG: It is the 3rd level of safety feature top fitted to the lid, to release excess pressure, when it rises beyond a safety level. Thus making it extremely safe to use.