Coffee Machines Capsules Coffee capsules are simple to use and do not require a filter or grind of coffee beans. They are also extremely small and take up less space in the kitchen. A capsule is a metal or plastic package that is filled with pre-measured quantities of coffee grounds. https://wwwcoffeeeuk36618.prublogger.com/27955083/10-things-everyone-has-to-say-about-pods-coffee-machine