Brilliant good looks. Perfect gourmet results. Combining the long-lasting radiance of stainless steel with the superior performance of a highly conductive, heavy-gauge aluminum core, the Calphalon Tri-Ply stock pot makes it easy to prepare mouthwatering meals day after day - each more memorable than the last. Lifetime warranty. Closeout! Calphalon Tri-Ply Stainless Steel 8 Qt. Covered Stockpot Home - Kitchen Kitchen - Cookware