No filter paper, no peculiar smell, more, no need to worry about the peculiar smell of filter paper affecting the coffee flavor Small size, easy to store and carry When you are working in, camping, traveling or backpacking, you will have the best Folding design: can be carried with you The internal surface with coffee is ABS, which has good self-cleaning performance 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 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