Whether you are a professional barista or simply an avid coffee enthusiast, we know that you long for that best espresso that you can possibly make. But this requires the right coffee recipe - the quantity of coffee, its coarseness, the length of the water flow and its volume, and last but not least: the resulting volume of coffee. This handy measuring cup from the British brand Rhinowares will become your best friend in this task. Thanks to the lines on the wall, you will see exactly what the volume of your espresso is and whether your coffee is flowing as it should.