Wacaco Nanopresso + hard shell Portable coffee maker Wacaco Nanopresso prepares an excellent espresso on the road with no electricity needed. By simple pumping it reaches the pressure up to 18 bar which is comparable with regular espresso machine. The coffee maker weighs 336 grams only. Compared to other coffee makers, its pressure of 18 bar allows you to prepare a genuine espresso with rich crema and sophisticated taste. Kit also contains hard shell with zip, built-in coffee cup and cleaning brush. Coffee extraction by pumping takes approximately 20-30 seconds, within first 8 pumpings, you prepare the required pressure and only then is the coffee extracted.