This product is a set of six vintage 1981 Avon Chesapeake Flying Mallard Ducks whiskey on rocks glasses. Each glass is round, measures 8 oz, and features a brown color with a duck theme. Made of glass these old-fashioned glasses are perfect for all occasions, especially for those who appreciate country style and collectible items from the 1980s. With a unique rocking glass feature, this set of drinking glasses is ideal for serving whiskey or other cold beverages in a stylish and nostalgic way.