This is the Petite Covered Dish made by Corning in the Cornflower Blue pattern. It measures 5 3/8" square or 5 3/8" x 7" with the handles. The bottom is marked "P41-B - 1 3/4 Cup - Corning Ware - For Range and Microwave - U.S.A.". The lid is marked "P41 - GC" on one side and "A-22" on the other. Both pieces are in "like new" condition. Please email me with any questions.