Pelikan One Pen CaseThis classic leather case from Pelikan will protect your writing instrument wherever you go. The difference between the green and the black is only in the color of the strap. The Pelikan logo shows up on each. You can choose between an all black version or black with a green accent. Made of super soft grain leather and stitched to last, these cases will not scratch. The long flap guarantees that the pens will stay put until it is intentionally opened