Corning Ware FOREVER YOURS Roaster/Lasagna Pan A-21-B. The pan has an embossed marking of the pan dimensions:  12-1/4" X 10-1/2" X 2-1/2". The pan is in very good used condition with a smooth rim, no chips or cracks, no visible utensil marks, and a glossy finish; see pics. Shipped via USPS Ground Advantage.