This side mount K-cup holder attaches quickly and easily to the side of your Keurig coffee maker, although you can also place the holder on the inside or outside of a cupboard or even your refrigerator.
Out of the three, this holder takes up the least space as it placed up and off the kitchen counter. Up to 4 holders can be placed on the side of a Keurig coffee maker, holding a total of up to 20 K-cups.