Our k cup reusable coffee beans have perfect micropores that can hold coffee grounds well, even when finely ground, without leakage or spoilage. Each brewing produces a stronger taste and aroma. Our reusable kcup coffee beans are made of 304 stainless steel mesh, with a shell that does not contain bisphenol a, ensuring complete safety and a durable design. It can be cleaned with a dishwasher and can be reused for a long time, reducing the waste of disposable pods. [The best solution for saving and environment] So far, millions of disposable k cups of garbage are produced every year, which is too harmful to our environmental hazard. But these reusable pods are the best solution, as they can be reused hundreds or even thousands of times and effectively reduce pollution. At the same time, we can save a lot of costs by using these reusable pods instead of expensive k cups. Let's make efforts for environmental protection.