KitchenAid Gourmet Essentials Hard-Base Nonstick 9- and 11-Inch Skillet Set, Red 9-inch skillet and 11-inch skillet with flat, wide bottoms and gently sloping sides Aluminum-disc base fully encapsulated by stainless steel for fast, even heating; nonstick interior Dual-riveted stay-cool handles with 18/10 stainless-steel shaft encased in soft silicone rubber Hand wash; oven-safe to 400 degrees F Limited lifetime warranty