Package includesA pack of 400 pcs round unbleached paper coffee filter. These replacement Paper filter are kept in a transparent sealed bag. Size400 pieces unbleached paper coffee filter with a size of 64mm/2.5inch in the package,can be used in Espresso Maker,enough quantity to meet your long time use, suitable for daily use and replacement. MaterialThese micro paper filter replacements are made of food grade wood fiber, safe, environmentally and healthy, with nice water permeability.The coffee filter paper has fine pores, which can effectively removal particles and bitter deposits while maintaining the original style of the coffee. FeaturesThese paper filter have not been bleached, no fluorescent agent and peculiar smell. The paper is strong and tough enough, not easy break, can help you to make tasty coffee. ApplicationIt is suitable in coffee shops, restaurants, offices and homes. It is also a practical tool for coffee lovers.