A trusty pen for a true paper person. With its smooth shape and weighty feel, Papier's Wave fountain pen lets your best handwriting flow. This refillable design is ideal for feeling fancy while you scribe important letters, daily notes or next week's shopping list. Finished with a fun wavy clip. Ink & Refills - Water-based blue ink. - To start using your pen make sure to install your cartridge by clicking it into place, this starts the ink flowing. - This pen is refillable. Stock up and keep your words flowing refills available from Papier