The Single Reusable K-cup Coffee Filter is made from 100% BPA-free materials. This unit has a an integrated stainless steel laser perforated mesh that ensures a clean full and even extraction of the very best attributes your coffee has to offer. No need to remove the Keurig K-cup Holder or Filter Holster, simply fill the Reusable K-cup Coffee Filter, place it in your machine and brew normally. The use of the Reusable K-cup Coffee Filter allows you to reduce your impact on the environment, lower your costs, double your value and increase your personal choices. Pack of 2, with 2 extra filter baskets.