Chef's Design Pressure Cookers are constructed of 18/10 stainless steel with an encapsulated tri-ply bottom. This series of cookers feature two pressure regulator weights, safety lock switch, and heat resistant handles. All models ship with steaming basket, cleaning rod, trivet stand and tempered glass cover. Chef's Design Cookware is professional quality aluminum and stainless steel cookware. From traditional style covered oval roasters to oven cookware to French style roasters. Heavy hand cast and polished aluminum cookware you'll be proud to own.