This is a vintage Pyrex mixing bowl in the Delphite Bluebelle pattern, made in America. It has a round shape with a diameter of 5.75 inches and a height of 3.5 inches, and a capacity of 1-1/2 pints. The bowl is made of glossy blue glass and is stackable. It is dishwasher safe and has an impressed backstamp. The bowl is part of the Pyrex Ovenware product line and is in very good condition. See photos as part of description.