The Leuchtturm1917 Pen Loop in Anthracite gives you the option to add a pen holder to your notebook, in the spot of your choice! The self-adhesive backing on the pen loop simply adheres to the inside cover of your notebook, and will fit almost any pencil, ballpoint, rollerball or fountain pen. 

Match the pen loop to your notebook cover, or mix it up with a contrasting color! The sturdy elastic loop is 15mm, and the adhesive backing measures 40mm x 40mm.