Heartland Bakeware AireGourmet Anodized Insulated 9.5 by 14 Inch Baking Sheet Premium air-insulated bakeware includes an air pocket between two sheets of professional quality aluminum; Protects baked goods from burning Silver anodized baking surface resists scratching and sticking; No applied coating so food never contacts bare aluminum Thumb grip handle for an easy and safe grasp Quality construction that won?t bend, warp or rust; Lifetime warranty Made in the USA; Dishwasher safe Medium cookie sheet made of heavy-gauge anodized aluminum Double layer construction is naturally stick resistant Insulated layers promote moist, chewy results every time Oven safe to 450 degrees F; dishwasher safe Measures 9 by 14 inches; made in USA; lifetime warranty