The upper reservoir of this geyser coffee maker is made of aluminum, the lower one is made of high-quality grade 430 stainless steel, which ensures compatibility with all types of stoves, including induction ones. With this geyser coffee maker, you can make espresso and drinks based on it. Both handles (on the lid and on the side) are made of PP plastic, absolutely safe for humans even when heated. The comfortable handle of ergonomic shape provides a comfortable grip and prevents burns during use. The volume of the coffee maker is 300 ml, equivalent to six servings. Ground coffee is used to make the drink. How to use: - Add clean cold water to the lower container. Water should be poured up to the level of the safety valve. - Place the filter sieve (included) with coffee powder in the lower part. There is no need to tamp the coffee. - Attach the upper part - the ready drink will move there by the geyser method. - The coffee maker is placed on the fire and remains there until the entire upper reservoir is filled with ready coffee. - comfortable ergonomic handle - suitable for all types of stoves, including induction ones - not dishwasher safe - large volume - high-quality materials: grade 430 stainless steel, aluminum, PP plastic