Design Quality and Innovation 4SRM Coffee cup by Mariana Mesquita The quantity of coffee used, the type of grinding, water temperature and pressure, all decisively influence the final quality of an excellent espresso. Experts consider that a perfect espresso should not exceed 30ml. Therefore CUP & SAUCER has patented a new exclusive and innovative cup. Three guidelines are visible where the 1st from the bottom indicates the measure of a perfect espresso. This precious innovation is an useful tool for the coffee brands that wish to provide the best experience!