The Vintage Corelle Corning Old Town Blue Cereal Bowls are a set of 5 6 1/4" round bowls featuring a classic blue floral pattern known as the Blue Onion theme. Made of glass and fused glass, these break-resistant bowls are dishwasher safe, microwave safe, and machine washable up to 140°F. Manufactured in America in the late 20th century, these vintage bowls come with a lifetime manufacturer warranty and are ideal for teens and adults for all occasions. The glossy finish and pressed glass production style add to the charm of these decorative cookware pieces.