1、No filter paper, no peculiar smell, no need to worry about the smell of filter paper that will affect the taste of coffee. 2、Good oil resistance, smooth surface and easy to clean, non‑toxic, odorless, meets the requirements of pharmaceutical, food safety industries. 3、Filter handle adopts a double‑layer structure with a filter screen, which has a good filtering effect. 4、The inner layer of the filter paper is woven with high‑density ultra‑fine metal wires, which are insulated from the coffee powder. 5、The outer layer of the thickened stainless steel plate is lasers perforated to provide an additional protective layer. 6、Foldable design, easy to carry. ABS material is used for the internal contact surface of coffee and has good self‑cleaning performance. 7、The part of the cup template has been polished: the coffee beans are difficult to adhere and are cleaned after rinsing. 1 x Coffee Filter Condition: 100% Brand NewItem Type: Coffee FilterMaterial: ABS Plastic + Stainless SteelColor: BlackWeight: Approx. 50g / 1.8ozSize: Approx. 12x 7.5cm / 4.7x 3.0inInstructions for Use:Step 1Take 10-15g of coffee beans and grind to the thickness of coarse sugar.Step 2Unfold the small ears on both sides of the filter cup upwards, and put them on the cup mouth that can be folded for storage.Step 3Pour the ground coffee powder into the filter cup.(Note: The grinding degree of coffee powder can be slightly coarser than that of general filter paper type hand brewed coffee powder. If the particles are too fine, the filtration speed will be affected. At the same time, it will be easy to extract and increase the bitterness)Step 4Soak the coffee powder with hot water, simmer for about 5 seconds, and then slowly pour the hot water with the water powder ratio 18/ 1.(Note: The recommended water temperature for deep roasted beans is 85℃, and the recommended water temperature for medium-shallow roasting is 90-93℃)Step 5After the coffee is brewed, the filter cup can be cleaned under the tap.Step 6Fold the small ears down to store the filter cup in the coffee cup for easy carrying.