Montblanc Extreme 2.0 One Pen PouchWith its bold black color, plain leather inside and leather with carbon fiber print motif outside, the One Pen Pouch is the ideal companion for office life. It protects your writing instrument with a young and urban look. Specifications for Fountain Pen Manufacturer Montblanc Collection Extreme Type Carrying Case Body Material Bovine leather Closure Zipper Width 50 mm Length 160 mm Height 20 mm Reviews