Feature●【PROFESSIONAL COFFEE FILTER】The same coffee filter used by professional coffee machines. The inner layer is made of high-density ultra-fine metal wire that allows you to grind your coffee finely. The exterior is made of thick stainless steel material, with holes and two layers of stainless steel construction, which can extract coffee oil, make the taste more mellow and richn●No need for filtering: No need to worry about the smell of filter paper and highlight the flavor of your coffee. You can always drink coffee without worrying about crumbling. Reduces paper waste and is environmentally friendly●(Very Easy to Care) The parts that come directly into contact with coffee are made with PP material that is very easy to clean. The stainless steel mesh part is polished to prevent coffee powder from sticking. You can clean it by simply rinsing it on both sides●【Foldable】It can be folded to fit most cups (inner diameter of cup: 3.0 - 4.3 inches (76 - 110 mm)), making it convenient to store and carry. Suitable for use at home, office, business trip, travel etc. Product spread width: 118mm, folding width: 75mm, height: 73mm●Safe and Safe Material: The black part is made of polypropylene resin with excellent oil resistance and easy to wash. The double filter is made of food grade 304 stainless steel, safe and heat-resistant. It also features a foldable handle design for easy gripDescription 123