Chef's Classic Stainless - classic looks, professional performance. Flavor Lock Lid - stainless steel fits tight to seal in flavor and nutrients. Superior Heat - Pure aluminum in base of cookware heats fast and spreads heat evenly. Effortless Cleanup - Gleaming stainless steel comes out of the dishwasher looking like new. Perfect for one-dish meals. 12" pan size fits generous filets of beef, chicken and fish. Ideal for pasta or vegetable casseroles too.