E.S.E. capsules. The unmistakable quality of Pellini Espresso coffee blends compatible with espresso machines that use the E.S.E. capsule system. 44mm always get a cup of coffee with a fragrant and refined aroma, a sweet and delicate taste, but without doubt you get a real espresso, to appreciate in a special way without sugar. E.S.E., an acronym for "Easy Serving Espresso", is a single-dose filter that contains the fine blend of Pellini ground coffee between two sheets of filter paper.