Kinetic Classicor Stainless Steel 3 Quart Whistling Tea Kettle Aluminum inner core bottoms: encapsulated bottoms with thick aluminum disc for even heat distribution with no "hot spots." Heavy gauge handles and knobs: Durable handles and knobs are ergonomically designed for easy comfortable handling. Tight fitting lid Oven proof and Dishwasher safe. Suitable for all heat sources including Induction range.