EZ-Cup Refillable Capsule Compatible with Keurig 1.0 NONE Imported Refillable reusable cup for use in K Cup coffee makers, Keurig 1.0 compatible 5 EZ Cup paper filters included. Requires EZ Cup paper filters, sold separately Uses paper filters for a cleaner cup of coffee with less sediment and coffee oils Use your own coffee and save money vs pre-filled K Cups Patented tamping spring compacts the coffee in the cup for better extraction and coffee flavor