The Blue Corning Ware French Bleu 2.5L F-1-B Medium Casserole Dish with Lid is a vintage collectible bakeware piece that features a round shape and ceramic material in a striking blue color. This set includes the casserole dish and its matching lid, making it a perfect addition to any kitchen or home collection. With its classic design and ceramic surface coating, this CorningWare piece is both functional and stylish, perfect for baking and serving a variety of dishes.