This Bialetti Moka Express stovetop espresso maker is made from aluminium and is finished in a light blue colour coating. The pressure valves on the Moka Express have stainless steel ball bearings and springs. This ensures they are both safe and durable. Suitable for use on all hob types excluding induction. Wash with warm soapy water and dry naturally for the best results. 3 cup / 130ml capacity