EZ-Cup By Perfect Pod for Keurig Coffee Machines Use any coffee in your Keurig Coffee Machines! Self tamping spring extracts a better cup of coffee or tea. The EZ Cup MUST be used with EZ Cup FILTERS (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 paper filters