TWSBI Eco Slate Blue with Onyx fountain pen Nib:EF he modernizes their works in

he modernizes their works in a bold manner

the Nuvola reflects a sense of calmness and contemplation

daily life

which gives the Pebble Blue and Mineral White fountain pens a very special elegance

TWSBI Eco Slate Blue with Onyx fountain pen Nib:EF he modernizes their works inDe TWSBI Eco is made of transparent plastic, which provides a wonderful view on the inside of the pen, the cap and piston mechanism are made of dark blue color color plastic with black nib and clip. The pens character will change with every other color you fill it with. For the adventurous people, the pen is easy to take apart for servicing or cleaning. A key and silicone grease are provided with the pen. Do this on your own risk. TWSBI has been