| Insulated construction produces higher lighter and moister cakes and brownies as well as moist evenly cooked cookies. By sandwiching a layer of air between two metal sheets food is protected from intense oven heat and doesn t overbake.15 1/2" x 10 1/2" x 1 1/8" Aluminum with non-stick surface Patented consistent layer of protective insulating air and non-stick surface that is safe for use with metal utensils Will not rust Dishwasher safe do not immerse in water Lifetime Warranty |