3 Espresso Cup = 6.5 fl.oz / 200ml (max. boiler capacity) This stove top espresso maker is made from aluminium and is designed in an Art Deco style, finished in the three colours of the Italian flag. The pressure valves on the Moka Express have stainless steel ball bearings and springs. This ensures they are both safe and durable. Capacity: 3 cups Made from aluminium with thermoplastic handle and knob for your comfort and safety Compatible with electric and gas stoves and suitable for use on induction plates only and exclusively if used with the Bialetti induction plate adapter Not dishwasher safe, simply rinse with water after use with no soap or detergents.