Feature●Based on a historical bar design.●Mathematically calculated for an absolute 4:1 ratio.●.75oz (22ml) / 3oz (89ml) measurements for a total volume of 3.75oz (111ml)●Hand Wash only. Does not include inner markings of measurements.●A Genuine Cocktail Kingdom Product.Description Based on a historical design. Mathematically calculated for an absolute 4:1 ratio. .75oz (22ml) / 3oz (89ml) measurements for a total volume of 3.75oz (111ml) Hand Wash only. Does not include inner markings of measurements.