Corelle Livingware Winter Frost White 28 Ounce Soup/Cereal Bowl (Set of 4) Packaged in a set of 4 bowls Each bowl is 6.25 inches in diameter by 2.75 inches tall. Made from Vitrelle glass. Vitrelle glass is designed to be resistant to chips and breaks. Bowls are microwave and dishwasher safe. Bowls are designed to be thin yet durable. Made in the USA.