Hard anodized exterior:cookware exterior is harder than stainless steel for durability and professional performance; dense, non-porous, highly wear resistant Unsurpassed heat distribution:hard anodized construction heats quickly and spreads heat evenly. eliminates hot spots. Quantanium nonstick cooking surface is reinforced w/ titanium for lasting food release, healthy cooking and easy cleanup. it is metal utensil safe and ideal for all cooking techniques like slow simmers, rolling boils or sauteing Solid stainless steel riveted handles stay cool on the stovetop;Drip-Free PouringRims are tapered for drip-free pouring Tempered glass covers:break-resistant glass covers allow you to monitor food while it is cooking without losing heat or food flavors; tight fitting covers seal in moisture and nutrients for healthier, more flavorful results, every time you cook