Cooks Standard 12-Piece Multi-Ply Clad Stainless Steel Cookware Air-flow technology on solid stainless steel handle stay cooler when cooking Clad of 3 layer metal: 18-10 stainless steel, multi-element alloy aluminum core for superior heat control, scratch resistant bottom Oven safe to 500-Degree F Conduction stovetop compatible, dishwasher safe, limited lifetime warranty