Demeyere Apollo 2.3 Quart Saucepan with Lid Classic, straight-sided 2.3-quart saucepan made with stainless steel and 7-layer base 5mm pure aluminum in base for optimal heat distribution; brushed 18/10 stainless-steel walls Molded handle made of 18/10 stainless-steel stop heat conduction; no rivets where food can stick Dishwasher safe; oven safe to 600 degrees F; for all cooktops including induction; made in Belgium 30-year warranty against defects; diameter of base measures 6.3 inches