Our reusable coffee capsules are made of stainless steel, safe and healthy, compatible with universal coffee machines. You can customise your own coffee flavour, in addition, the refillable coffee capsule can help you save money, which is an for your coffee-loving friends. Key Features: : The lid creates pressure on the capsule cup during the brewing process, creating a strong coffee . It makes an for a coffee-loving friend or family member. Save money: Compared to regular capsules, reusable capsules not only allow you to add your favourite ground coffee, but also save money and reduce waste!