TWSBI ECO Fountain Pen - Cerulean Blue makes a statement expressing creativity. Sometimes, pens can be more than just a tool. This pen features a piston-filling system for easy refills and a transparent body so you can see how much ink is left in the pen. The steel nib ensures your words will appear effortlessly on the page and the screw-on cap will keep the pen safe when not in use. And, with its beautiful blue color, the pen will certainly stand out! Get the TWSBI ECO Cerulean Blue Fountain Pen and experience the pleasure of writing with a quality pen built to last.