2 pack, single serve, reusable coffee filter k- cup baskets, universally designed for use in keurig, breville, cuisinart & mr. Coffee single serve brewers, insert filter basket directly into brewer, no need to remove the k-cup filter holder from coffee maker, alternative to disposable pre-packaged coffee packs that allow you to brew your own coffee, save money & help the environment, can brew a second cup of coffee without having to clean a filter basket every time.