The Leuchtturm 1917 pen loop is the perfect accessory for your favourite notebook. This pen holder is made of a durable elastic strap that can securely hold a standard size pen or pencil. It can be attached to any hardcover notebook or planner, including the popular Leuchtturm 1917 notebooks. With the pen loop, you'll never again have to search for a pen in your bag or worry about losing it. Keep your writing utensil always at hand with the Leuchtturm 1917 pen loop.