Double-layer microporous mesh-made of double-layer microporous mesh, to you get the coffee flavor and strength you like Compared with ordinary paper coffee, there is no clogging and less deposits Folding design: can be carried with you The internal surface with coffee is ABS, which has good self-cleaning performance The steel mesh part of the cup is: the coffee grounds are not easy to adhere, and both sides are rinsed clean The inner layer of the filter paper is woven from high-density ultra-fine metal wire, which is isolated from the coffee powder The outer layer of the thickened stainless steel plate is perforated to provide an additional protective layer No filter paper, no peculiar smell, more, no need to worry about the peculiar smell of filter paper affecting the coffee flavor