the Caffettiera for certified and perfect coffee enjoyment, food-safe aluminum, with the sizes 2, 3, 6 and 9 cups the water container is embedded in a stainless steel layer, with the 12-cup pot a stainless steel base plate is incorporated, refined button and ergonomic handle, both screwed on and Easily exchangeable, silicone seal, functional pouring spout for drip-free pouring, suitable for all types of stoves including induction, not dishwasher-safe