Each K-Cup contains a paper filter that is “welded” inside the k cup. In the production process, each k-cup is filled with coffee, tea, or hot chocolate and sealed with an airtight, foil lid.
To make a hot beverage, the K Cup is placed in a Keurig coffee maker and a mug is placed on a small platform below the brew head. The start button is then pressed, activating the brewer. Small holes are punctured in the bottom and top of the KCup, the brewer forces hot water through the K-Cup and the Keurig-brewed beverage is dispensed into the mug. The used K Cup can then be disposed of, and the Keurig coffee maker heats up water for the next cup.