Viking 3-ply stainless steel Copper clad cookware combines a layer of aluminum sandwiched between a Copper exterior and a heavy-gauge stainless steel interior for superior performance. The aluminum core provides exceptional heat transfer throughout the pans, while the Copper exterior heats evenly for precise temperature control. The vented glass lids allow you to easily see the progress of your meal while reducing the chance of boil-overs. The Viking signature ergonomic stay-cool handles have a finger guide and built-in Heat break for easy lifting and control, while the internal volume measurements make measuring quick and precise.  Durable Copper exterior with aluminum alloy core for exceptional heat transfer throughout the pans Oven safe up to 500°F/260°C (up to 400°F/204°C with glass lid); double riveted stainless steel handles for durability Compatible with all cooking surfaces  (except induction) 18/8 non-reactive surgical grade stainless steel interior for superior performance Convenient internal volume markings in both US & metric measurements for precise volume Specially designed ergonomic handles balance the pan making lifting the pan easy Vented tempered glass lids allow to see cooking progress and reduce chance of boil overs  Dishwasher safe Cooper Stainless Steel Manufacturer limited lifetime warranty  This 10-piece includes: 8" fry pan  10" fry pan 8-quart stockpot with glass lid 5.25-quart saute pan with glass lid  2.25-quart sauce pan with glass lid 3-quart quart sauce pan with glass lid Imported.