Bonding durable stainless steel and conductive aluminum, D5 optimally combines the individual qualitites of both metals to increase heat transfer efficiency through each alternating layer for superior culinary results. This 12.5 inch deep covered skillet is a highly versatile piece. Tall sloped sides help with turning and flipping food, while the lid and roomy capacity let you prepare simmered dishes like braises. The oven-safe pan also works well for pan roasting.