Brew your favorite cup of coffee anytime, anywhere with this sleek, foldable stainless steel coffee filter. Its durable, double-layer structure eliminates the need for filter paper and reduces paper waste, making it an environmentally friendly choice. The inner layer is woven from high-density ultra-fine metal wire and the outer layer is made from thickened stainless steel plate with laser perforation for added protection. The steel mesh part of the cup is polished, making it easy to clean and reducing the risk of coffee grounds adhering. With an ABS material internal contact surface, this filter is also self-cleaning. Measuring 4.7" x 3.0", it is suitable for cups with an inner diameter of 3.0" x 4.3". Enjoy your coffee without worrying about the peculiar smell affecting the flavor.