About this item Set of 20 coupe glasses, each measures 3.3" D x 4.2" H, 5 oz capacity. Using these clear glasses to enjoy your favorite champagne, cocktails, etc. There are three grooves at the bottom of the cocktail glasses' base, which is helpful for building a champagne tower for the party. The base and glasses can be separated, and it is easy to assemble. The cup part can be stacked for convenient storage and save space. Our martini glasses are made of premium acrylic material, lightweight and not easy to break, which is more convenient and safer to use than glass materials. These champagne cups are perfect for picnics, wedding, birthday parties, bar, or home. Can also be a housewarming gift for martini lovers.