All-Clad 4405 Stainless Steel Tri-ply Saute Pan with Lid Cookware, 5-Quart, Silver Tri-Ply 18/10 Stainless construction diffuses heat consistently Dishwasher and Oven Safe Easy to clean stainless steel will not react with food Interior starburst finishing improves nonstick performance.Energy efficient advanced construction allows heat diffusion from the bottom of the pan up to the sidewalls Outside coating/finish:Mirror polished stainless steel