New, opened box. The Tramontina 9-piece cookware set is made of premium 18/10 stainless steel & features an impact-bonded, tri-ply base construction (consisting of stainless steel, an aluminum core & a magnetic stainless steel) to help distribute heat quickly & evenly when cooking. This heavy-gauge, stainless steel set is strong & durable with a mirror polished exterior that provides an attractive display in any kitchen. The tempered glass lids allow for easy monitoring of food during the cooking process, while the stainless steel handles are riveted for added support.