The Stainless Steel Pressure Cooker is an outer-lid system. Kencook Appliances manufactures Stainless Steel Pressure Cooker. Kencook Appliances is an ISO 9001: 2000 certified company. This is a unique capsule bottom pressure cooker with three layers of material capsulated which prevent food from getting burnt and the base of the pan from going out of shape. The Stainless Steel Pressure Cooker is available in various capacities ranging from 1.5 liters to 7.5 liters. These outer lid stainless steel pressure cookers have sturdy construction. Moreover, the outer lid pressure cookers are highly energy efficient and retain most of the Nutrients while cooking.