The Tramontina Stainless Steel Cookware Set from Costco is professional quality cookware made for everyday home use. Tri-Ply Clad features a layer of 18/10 stainless steel, an aluminum core, and a layer of magnetic stainless steel, so that it’s optimized for induction cooktops while also providing excellent performance on any conventional stovetop. It’s over safe up to 500 F and also dishwasher safe. This 12-piece set includes seven pans and five lids.