This product is a set of four Fostoria Crystal Colony 5 5/8" 12 oz. Flat Iced Tea Swirl Tumbler Glasses. Manufactured in the 1940s, these elegant glass tumblers feature a swirl pattern and a glossy finish. With a mid-century modern style and originating from the United States, these vintage tumblers are perfect for all occasions and add a touch of sophistication to any drinkware collection. The Fostoria brand and original production make these tumblers a sought-after piece for collectors of vintage glassware.