Prestige stainless steel cookers use the best quality stainless steel with stronger lugs and thick base to give your cooker a safe and long life Comes with a first time 2-in-1 safety device called pi pressure indicator ; The device will rise while there is pressure inside the cooker and will come down when there is no pressure thus indicating Designed to give you more body capacity as compared to normal outer lid pressure cooker Enables "separator cooking" , a more hygienic form of cooking to retain the nutritional value and taste of food while enabling you to cook 3 dishes at a time ISI certified - conforms to international quality standards