Size: about 18.75CM (height) Leather: cowhide Black stitching version: oil edge---with pen insert lining: Japanese flannel magnetic buckle switch Black stitching version: oil edge---pen-free insert lining: no (single-layer leather with rivet) magnetic buckle switch My turtle brush clip, some pen clips, the clip force is very strong, like the pen of Montblanc, will leave a mark on the leather pen holder, if you are very concerned about the turtle, then in the pen clip Place the small film attached to the pad. When you write the pen, you must first remove the pen holder and then clip it. About leather: Everything is natural, but it is more flat. Sometimes the goods you buy may be particularly noticeable. This is natural.