TWSBI ECO Plum & Onyx fountain pen

TWSBI ECO Plum & Onyx – Modern piston-filled fountain pen

The TWSBI ECO Plum & Onyx is a stylish fountain pen featuring a transparent barrel that reveals the ink reservoir, paired with deep plum accents and sleek Onyx black trim.
Its built-in piston filling system ensures a steady ink flow and smooth writing experience.
Available in a range of nib sizes (Extra Fine, Fine, Medium, Broad, Stub 1.1 mm), it’s perfect for both newcomers to fountain pens and seasoned enthusiasts.
The transparent barrel allows you to easily check the ink level, combining practicality with elegant design.

TWSBI ECO Plum & Onyx - details:

• Transparent resin body with Plum & Onyx accents

• Integrated piston filling mechanism

• Stainless steel nib available in multiple sizes

• Screw-on cap and ergonomic design

• Ideal for daily writing or as a collector’s piece

• Includes official TWSBI packaging