Coffee Machines Capsules Capsules of coffee machines are simple to use and do not require a filter or grind of coffee beans. They are also small and require less space in your kitchen. A capsule is a plastic or aluminum package that is filled with pre-measured quantities of coffee grounds. https://wwwcoffeeeuk62513.alltdesign.com/a-provocative-remark-about-best-pod-coffee-machine-48204689