COOKIE SHEETS STAND UP TO TIME: Heavy-duty steel construction offers uniform heat distribution, and the cookie sheets’ warp-resistant rolled edges provide extra strength SUPERIOR TECHNOLOGY: TOTAL Food Release System features metal-utensil-safe premium nonstick on raised circles for superior baking release and effortless cleanup SET INCLUDES: 9-Inch x 13-Inch cookie sheet 10-Inch x 15-Inch cookie sheet EMBRACE THE HEAT: The cookie sheets are oven safe to 450°F; wide handles provide generous, confident grip PAIRS WELL WITH OTHER BAKEWARE: Circulon Bakeware partners with other products from the complete Circulon collection for even more healthy cooking solutions