Bake all your favorite dishes with the Martha Stewart Baking Sheet. Whether its cookies or roasted veggies, make this the perfect addition to your kitchen and treat all your friends and family. Made of pure aluminum that won't rust and heats evenly for consistent baking results. The reinforced rolled rim prevents warping at extreme temperatures.Details:Silver15.75" x 11.25" x 1.25"1.25 lb.Heat resistance up to 400 degrees FahrenheitAluminum