From mixing complex cocktails to serving classic beverages, this Libbey 15144 Restaurant Basics 20 oz. rim tempered mixing glass is a versatile addition to your restaurant, bar, or lounge. Also known as a shaker glass, this glass serves as a staple in virtually every bar setting, serving not only as a beverage glass, but as a vital component to a cocktail shaker! Simply slide it into a metal shaker (sold separately), and get to work shaking mixed drinks. The crystal clear construction lets the vibrant colors of your beverages shine through, while the tall, cylindrical shape and tapered sides give this glass a timeless style that's sure to please.