Non-Toxic Stainless Steel: Built with ultra-durable 5-layer construction to resist warping and denting Calphalon Turbo Temp Technology: Heats up to 30% faster*, so you can get cooking faster (*Calphalon Premier Stainless Steel vs. Cuisinart Professional Series Stainless Steel) Aluminum Core: Fast, even heating across the entire cooking surface Ergonomic Stay-Cool Handle: Riveted stainless steel handle keeps cool on stovetops Oven-Safe Up to 500°F: Seamless cooking from stovetop to oven