Designed for commercial durability and nonstick performance, Calphalon Commercial Nonstick is made from heavy-gauge, hard-anodized aluminum with an exterior that is over 80% harder than stainless steel. Inside each pan, three nonstick layers provide superior release and durability. Long handles are triple-riveted with a unique design that keeps them cool on the stovetop. This set offers a great combination: the durability of Calphalon’s original hard-anodized construction with nonstick convenience. Set Includes: 8″ Omelette Pan 10″ Omelette Pan 12″ Omelette Pan 1.5 Qt. Sauce Pan with Cover 2.5 Qt. Sauce Pan with Cover 3 Qt. Chef’s Pan with Cover 3 Qt. Saute Pan with Cover 6 Qt. Stock Pot with Cover Features: Durable, hard anodized aluminum heats quickly and evenly for gourmet results Nonstick interior releases food, and resists stains and odors Dual-riveted, cast stainless steel handles stay cool on the stovetop Glass lids let you monitor dishes without losing moisture, flavor or nutrients Recommended for use with nylon, coated or wood utensils Oven safe to 450 degrees Recommended hand wash only Vessels Made in USA Assembled in USA Lifetime warranty