Who says you can't have convenince and sustainability? Our reusable K-Cups are here! Compatible with all the Keurig machine generations, this little device is the perfect solution for enjoying your Alma Coffee! Simply fill your reusable k-cup with your desired amount of coffee and then use as you would any other k-cup! We recommend using 2 tablespoons of ground coffee per 6oz of water. If your coffee is too strong, use less coffee! Coffee too weak, add a little more!