Hello,<br />We appreciate you taking the time to share your review on our Calphalon Premier 12-Piece Tri-Ply Stainless Steel Cookware Set. We are truly sorry that they stained and did not meet your expectations. We acknowledge your disappointment and sincerely apologize for any inconvenience caused. Your feedback will be forwarded to the team. The staining on the Calphalon Premier 12-Piece Triply Stainless Steel Cookware Set mostly arises from normal heat exposure, causing heat tint, and from mineral deposits due to water. Proper care and cleaning with recommended mild abrasives and cleaners can remove and prevent these stains, maintaining the cookware’s appearance and performance. <br /><br />If you need our assistance, please reach out to us via our official Calphalon &#34;Contact Us&#34; website. We’re available Mon.-Fri. 9 am -5 pm Eastern Time. Our product specialists will be more than happy to help you.<br /><br />Thank you, and please stay safe!<br />Calphalon Consumer Care