GOOD FITS IN ALL REFILLABLE PODS: K cup paper filters are compatible with all standard reusable K-Cup filters (not included),such as Solofill, EZ-Cup, My K-Cup, EkoBrew, Simple Cups etc SPACE FOR COFFEE FLOW THROUGH: K cup disposable filters must be shorter than refillable pods, leave sufficient space for coffee come out. Keeps grounds out of coffee cup SAVE MONEY AND TIME: Reduces k cup waste and save money, easy clean up, enjoy your favorite coffee, excellent for your personal enjoyment IMPROVED COFFEE FLAVOR: Remove oils and sediments, full brewing and effective filtration thinner filter papers ensure orginal flavor of the coffee NO BLOWOUTS: Last without tearing though, absorbs water so coffee liquid can flow through. Prevent coffee grinds from seaping from filter