Triple Layer Construction, With Magnetic Core For Safe Induction Cooking (Bull)Safe To Use In Dishwashers And Ovens (Bull)Ideal For Any Heat Source, Including Gas, Electric, And Induction (Bull)High Quality Mirror Polish Stainless Steel And Aluminum Core (Bull)Aluminum Layer Allows Even Heat Distribution Summit Induction Cookware Is A Seven Piece Set That Includes One 9 1/2 Inch Skillet, One 5 Quart Casserole With Glass Lid, And A 3 Quart And 1 1/2 Quart Saucepan With Glass Lids. Each Piece Of Cookware Has A Triple Layer Bottom That Includes A Magnetic Core. This Allows The Cookware To Function On Induction Cooktops. A Layer Of Aluminum Helps To Evenly Distribute The Magnetic-Generated Heat Created Inside The Pot Or Pan. Three Heat Resistant Glass Lids Are Included With The Casserole And Saucepans, Complete With A Steam Vent And Stainless Steel Trim. Lift-Up Handles In Stainless Steel Offer Elegant Convenience. Dishwasher Friendly And Oven Safe, This Induction Cookware Set Can Be Used On Any Cooking Surface For High Quality Cooking With Delicious Results.