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 very compact and take up less space in the kitchen. A capsule is a polymer, or aluminum, pack that contains coffee grounds in pre-measured quantities. https://www-coffeee-uk91567.canariblogs.com/10-things-you-learned-in-kindergarden-that-will-aid-you-in-obtaining-pods-coffee-machine-43702837