It is a two-insertion pen case that is carefully hand-sewn using high-quality Italian leather "Buttero" and "Pueblo" tanned with 100% vegetable tannins from Italy. Compatible with everything from slender ballpoint pens to fountain pens with thick shafts. The inside of the pen case is suede with a soft touch. In addition, since there is a partition inside, it prevents the pens from hitting each other inside. The size of the pen that can be inserted is up to Montblanc 146 or Pelikan M800. There are two types of lids, a plug-in type and a hook closure, so you can choose either one. Buttero is the leather color you can choose green wine Brown black Italy's Badarassi Carlo's leather "Pueblo" Petrolio (blue) Kochinera (reddish brown) Naples (yellow) Cognac (camel type) Oliva (green) Tobacco (dark brown) You can choose your favorite color from. Pueblo has a dry leather surface when it is new, but it feels moist. The expression is rich and attractive even when it is new, but the aging that shows as you use it is also wonderful leather. You can choose from 9 stitch colors. Available in brown, blue, orange, green, yellow, red, purple and black. "About Buttero" The leather called Buttero used is a leather that is very fun to age, and the gloss is suppressed at the beginning and it has a slightly matte texture, but as you use it, the gloss will come out and the color will change, and the greatest pleasure of leather products You can enjoy the secular change of. Nume leather tanned with 100% vegetable tannins made by the Italian company Walpie values the texture of the leather, and for transparent dyeing, it looks like the lines and lines of the live proof of cows such as tigers and blood lines. Patterns may be seen. Please understand that this is also because the texture and texture of leather are emphasized.