Moka Pot is a two-tier structure, placed in the lower part of the boiling water boiled, it will be through the net filter with coffee powder spray into the upper part of the pot. Although hot water can be injected into the finely ground coffee without the use of air pressure, this can't be strictly a concentrated extraction but rather a drip-on type, but the coffee made by Moka Pot still has Italian coffee Espresso Concentration and flavor. Material:Aluminum Size:as shown HOW TO USE 1. Unscrew the 3 parts of your espresso pot, fill the base with water up to the level of the safety valve and insert the filter funnel. 2. Fill the filter funnel with finely ground coffee (do not press down), make sure there's no coffee powder left on the edge, then place it back to the lower chamber and screw the top and base together firmly. 3. Heat a few minutes on the heating device with a small / medium fire, the coffee slowly overflow into the upper. 4. Take the coffee pot away from the heating device, and then you can enjoy your coffee. Package List: 1 * Moka Pot