The TWSBI ECO Bahama Yellow fountain pen brings a bright, tropical energy to TWSBI’s popular ECO demonstrator series. The transparent barrel reveals the internal piston mechanism and ink level, while the vivid Bahama Yellow cap and piston knob add a cheerful pop of color. Designed for both beginners and experienced writers, the ECO offers the reliability and performance of a piston-filling fountain pen in a practical everyday design. Engineered for smooth writing and long-term usability, the ECO features a polished stainless-steel nib and a high-capacity piston filling system that draws ink directly from the bottle. The pen is also fully maintainable—TWSBI includes tools that allow users to clean and service the piston mechanism when needed, ensuring the pen remains a dependable writing companion for years.
- Transparent demonstrator barrel with Bahama Yellow accents
- Stainless steel nib available in multiple sizes (EF, F, M, B, 1.1 stub)
- Faceted cap design to prevent the pen from rolling
- Screw cap with inner seal to help prevent ink from drying out
- Designed for use with bottled fountain pen ink
- Filling System: Piston filler
- Body Material: Resin
- Length (closed): approx. 138 mm
- Country of Origin: Taiwan
Available March 20th - Pre-sale starts March 18th
