016. Penholder (M) Brown TRAVELER'S notebookThe 016. Penholder (M) Brown TRAVELER'S notebook is a clip type holder, featuring a leather strap that holds the barrel of your pen, and a gunmetal clip that attaches to your TRAVELER'S notebook cover. For this size, pens up to a diameter of 12mm can be inserted to the holder. Suitable for both regular size and passport size TRAVELER'S notebooks. TRAVELERS notebook is a simple and easy to use notebook, held together by a high quality leather cover