1. 304 stainless steel, health and safety. 2. Three layers filter mesh is fine pressed, the coffee is fine and fragrant. 3. Thickened cup body, durable. Use method: 1. Pour hot water into the cup, and do not exceed the relief valve. 2. Pour coffee powder (recommended fine grinding) into the powder cup. Use the chopsticks or beans spoon to smooth the powder. 3. Slightly filter the filter paper, affixed to the upper filter and screw up the upper seat. 4. Spin on the upper seat (to tighten the pressure will not leak out). Do not rotate the handle of the Mocha pot, then it is easy to spin. 5. Heating with a gas lamp or an alcohol stove. It is easy to make the base hot if you add hot water. 6. When coffee coming out, turn it into a small fire (don't let it rush out quickly). 7. Then slowly boil the coffee. Maintenance: 1.Before first use, wash and dry the funnel with white vinegar and water. 2.When using, avoid collision with sharp objects, so as to avoid scratches. 3. After using, wash with a little neutral or alkaline detergent, dry with a soft cloth, keep dry and clean. 4.Avoid dry burning. Colour: silver Material: stainless steel Package Contents: 1 x Double cup powder bowl 1 x Four cups powder bowl Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.