Make authentic Italian coffee at home on your stovetop! Just fill the lower chamber with water and the basket with not too finely ground coffee, place on top of your stove at low heat and espresso will percolate up into top chamber. 9.1 oz capacity. Constructed of food-safe aluminum alloy. Available in multiple sizes. Made in Italy by Bialetti. Not Dishwasher safe. Compatible with Gas and Electric cooktops, but Not compatible with Induction cooktops.