This plated cocktail jigger measures 1 ounce by 2 ounce for precise liquid measurements. The interior of this jigger also has line markings to indicate other measurements of ¼oz (7.5ml), ½oz (15ml), ¾oz (22ml) (on the 1oz side) and 1 1/2 (on the 2oz side). Cocktail Jiggers are very commonly used with many modern mixology recipes and a must-have bar tool in the professional bartending industry. Accurate measurements are important to maintain consistent flavors, especially when creating your own signature cocktails. If style and class are things you like to incorporate into your mixology skills, then this exquisite plated bell jigger is perfect to add to your bar tool lineup. Not Dishwasher Safe