The Pyrex mixing bowl set is a vintage-inspired round bowl set perfect for all occasions. Made of clear glass with a glossy finish, these bowls are stackable and feature an impressed backstamp. Manufactured in America during the late 20th century, this original set from the renowned brand Pyrex includes a set of mixing bowls that are both practical and stylish. With a lifetime manufacturer warranty, these bowls are sure to be a durable addition to any kitchen collection.