Perfect Pod EZ-Cup Filter Papers Use any coffee in your Keurig Coffee Machines! Self tamping spring extracts a better cup of coffee or tea. The EZ Cup filter refills MUST be used with EZ Cup (Sold separtaely). Simple to use and reuse! 1. Place paper filter in center of EZ Cup and wrap edges around EZ Cup 2. Fill coffee into filter 3. Close paper filter lid and wrap lid edges around rim 4. Close the EZ Cup lid and make sure it is tightly closed. Insert in your Keiurig machine as you would a K-Cup Requires EZ Cup - can only be used with Perfect Pod EZ-Cup. Includes: 150 x Perfect Pod EZ-Cup Filter Papers (3 packs of 50)