Useful information about Bialetti Musa Elegance Cups: 4Material: SteelDishwasher: NoColor: SilverInduction Bialetti Alfonso Bialetti also called \" the little man with moustachet \" invented espresso jug back in 1933. Bialetti has since then been a strong brand worldwide and symbolizes Italian design and quality. Bialetti is best known for their expresso pot, which is a known symbol of Italian culture. The rest of the world is being brought to the Italian wave and luckily they would like to share the delicious taste.