8 fl oz (237 ml); 1 oz (28 g). Add tequila & shake. Makes 32 ounces. Includes shaker, flavor & rimming sugar. Includes: reusable shaker; flavor; rimming sugar. Modern cocktail solutions. www.cocktailrx.com. BPA free. Happy hour in just minutes! Cure the symptoms brought on by boring cocktails. This is the perfect prescription for a cool cocktail. Makes two shakers and you'll have no need to call the doctor in the morning!