Ah, the ultimate cup of coffee. So flavorful. So rewarding. And now as individual as you are. Thanks to the Keurig Single-Cup Brewer and Green Mountain Coffee Roasters, delicious fresh-brewed coffee is no yours in just 30 quick seconds at the touch of a button. Ultimate Convenience. Every K-Cup contains its own filter and just the right amount of freshly roasted Green Mountain coffee to brew one single, perfect cup. The K-Cups are flushed with nitrogen and stay sealed until you start brewing, so the coffee is never stale. With the Keurig brewing system, you get one freshly brewed cup of coffee at a time, with no measuring, no grinding, and no mess to clean up! Ultimate Innovation. It might seem like science, but the Keurig brewing system doesn`t require an engineering degree to use. On the contrary, it does just about everything for you, controlling water temperature, volume, and pressure to deliver consistently delicious coffee, time after time.