Feature:1. No filter paper, no peculiar smell, no need to worry about the smell of filter paper affecting the taste of coffee.2. Inner layer of filter is woven with high‑density ultra‑fine metal wires, which are insulated from the coffee powder.3. Outer layer of thickened stainless steel plate is perforated to provide an additional protective layer.4. Selected high‑quality ABS+ stainless steel materials, safe and non‑toxic, can be reused.5. Foldable design, easy to carry. Double precise filtration, good self‑cleaning performance.How to Use:1. Take 10‑15 grams of coffee beans and grind to the thickness of coarse sugar2. Spread the wing on both sides upwards and put them on the appropriate cup mouth3. Pour the ground coffee powder into the filter cup4. Use hot water to pour the coffee powder soaked, simmer for about 5s, and then slowly pour the hot water according to the water‑to‑powder ratio 18/1Specification:Item Type: Coffee FilterMaterial: ABS+ Stainless SteelWeight: Approx. 49g / 1.7ozMouth Diameter: Approx. 6cm / 2.4in Package List:1 x Coffee FilterNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.