The Girologio 12 pen pen case in Denim Blue Cotton is designed to fit pens as large as a Montblanc 149. The dark blue denim material is made of cotton, and offers a slightly more casual look to your pen protection. The 12 pen case has a zipper closure, features wide dual elastic straps to keep the pens separated, and measures 8.75 wide by 6.5 tall. The denim material offers decent protection for your beloved pen, at a great price This is great for transport or travel