Capacity: Standard espresso coffee cup is 50 ml. 4 cup/7.4 oz/220 ml; 6 cup/11 oz/330 ml. Mocha coffee maker with strong aroma can make delicious espresso for you in 5 minutes, you will be impressed by its rich flavor and aroma immediately. TIP: It is recommended to buy a larger capacity coffee pot to reduce your exchange troubles. Security First: The Espresso coffee maker lower pot is polished and designed with smooth stainless steel, with three-ring precision threads, equipped with a high-performance pressure-resistant safety valve, double safety design, effectively preventing over-pressure situations.