Melitta MES1B OneOne Single Serve Coffeemaker, Black One-cup POD coffee system; brews directly into your mug Quick and convenient; 2.2 bar steam pump produces rich, full-bodied coffee Freedom to choose different blends or flavors for each cup you brew Makes one 8-ounce American style or one 5-ounce European style 28-ounce removable water tank; makes three mug-size servings before refilling is needed