-Pack of 5 refillable/reusable K style cups -Built in mesh provides superior coffee ground filtration -There is a slot at the bottom of the cup so you don't have to pierce the cup with a needle -When the water reaches the ground coffee in the k-style cups, it will not leak or out of the cup. A small rubber O-ring in the top of the cup provide a seal to keep the cup from leaking. -Allows the user to choose their favorite brand and style of freshly ground or whole bean coffee -Compatible with most models of cup-coffee makers
