The Pyrex Festiva Vintage Green Glass Bowls Swirls Set of 4 is a vintage set of round, green glass bowls with a swirl pattern. Made in America in the mid 20th century, these pressed glass bowls are part of the Pyrex Festiva product line. With a glossy finish and an impressed backstamp, these hand-wash-only bowls are perfect for all occasions and add a touch of mid-century modern style to any table setting.