Material: Round coffee filter papers made of unbleached pulp paper, with good strength and water permeability, air permeability, no pungent smell, not easy to break Large Size: Replacement Coffee Filter is 68mm in diameter, ready to use right out of , more convenient than metal filters, you can enjoy coffee without cleaning. Please be sure to check the size information before purchasing Package Includes: 600 pieces of unbleached natural coffee filters, sufficient quantity for your long-term use, suitable for daily use and replacement, come and enjoy your own coffee time with your friends Function: Disposable coffee filter can filter out fine particles and absorb bitter oils, filter coffee evenly, maintain the taste of coffee and balance the characteristics, allowing you to enjoy pure coffee Wide Appliction: Coffee filter paper are suitable for homes, restaurants, coffee shops, as well as hotel use, can be adapted to different models of coffee machines. Understand coffee, fall in love with coffee, make yourself a cup of coffee