Heavy-duty aluminum sandwiched between stainless steel and solid copper offers a durable yet lightweight cooking experience with this versatile set.What it does: A copper base provides exceptional temperature control, while the unexposed stainless steel and aluminum core transfer heat quickly and evenly. Nonreactive surgical-grade stainless steel doesn't react to acids in your food or impart a metallic taste to your cooking.Additional features: Interchangeable domed metal swing lids provide added functionality without taking up extra space in your kitchen.Compatible heat sources: Cookware and lids are oven safe to 600°F.Includes: 10-inch fry pan, 12-inch fry pan, 3.4-quart sauce pan with lid, 4.8-quart sauté pan with steamer and lid, 8-quart stockpot with lid. Copper/stainless steel/aluminum Hand wash Imported