The Corning Ware Blue Cornflower 3 Quart Casserole Dish is a rare vintage piece of decorative cookware with a square shape and a 3 quart capacity. Made with a pressed glass production style and fused glass technique, this original casserole features a beautiful blue color with a ceramic surface coating. It comes with a matching A-3-B lid, making it a complete and charming addition to any kitchen collection.