The Pyrex 233-R 3 QT Cobalt Blue Glass Casserole Baking Dish is a vintage baking dish from the 1980s, produced in the United States with a glossy finish. This rectangular dish has a solid blue color and a capacity of 3 quarts, making it suitable for baking lasagna or other dishes. The Pyrex brand ensures quality, and the item is machine washable for easy maintenance. This original vintage piece is a part of American kitchen history and a practical addition to any cookware collection.