Bake with no warping, hot spots or burning with AireGourmet Insulated Bakeware. Constructed with an internal layer of air, the AireGourmet Insulated Cookie Sheet circulates the hot air evenly through the pan. An anodized baking surface promotes browning and provides nonstickability. The result is beautiful cookies every time. This pan comes with a cover for easy travel and storage. Measures 16”x14”.