yStudio Classic Revolve Portable Fountain Penystudios portable fountain pen gives you a new way to bring your fountain pen with you. You can hang it on your bag or wear it as a necklace and open it to start writing. The elegant six sided design made in copper makes it a true eye catcher. The black paint on this unique pen will gradually wear off, or it can be personalized by removing the paint on the surface with sand paper included in the products package. The Brassing Portable fountain pen