With Patented safety valve Suitable for all types of cookers (except induction) Material: aluminum An evolution of the original Moka Express model created in 1933 Exclusive and easy-to-clean safety inspection value patented by Bialetti Personalised coffee as the blend quantity and quality can be selected directly in the filter – makes 3-4 cups of espresso coffee Made in Italy with food grade aluminium and heat resistant nylon Product Dimensions: 14.3 x 13.7 x 11. Hand wash only