TWSBI ECO Black Marble with Bronze Fountain Pen

The TWSBI ECO Black Marble with Bronze trim is a fountain pen that manages to be both reassuringly practical and quietly handsome. With its crystal-clear acrylic barrel, you can keep an unblinking eye on your ink level, while the marbled black cap and finial add depth and character—no two pens quite the same, thanks to a distinctive injection-moulding process.

At its heart sits TWSBI’s famously reliable piston filling system, offering generous ink capacity and excellent value for money. The bronze PVD trim lends a warm, contemporary contrast, paired with a matching stainless steel nib that delivers smooth, dependable writing. An inner cap ensures a proper seal when the pen is stored, so it’s always ready when inspiration strikes rather than when evaporation allows.

True to TWSBI philosophy, this pen is designed to be understood, maintained, and enjoyed over the long term. Each pen is supplied with a wrench and silicone grease for future care—an invitation to engage with the traditional mechanics of fountain pen ownership, should you wish.

Why You’ll Love It

• Excellent Value, Proper Engineering: A piston filler with generous capacity at a refreshingly sensible price.

• Uniquely Yours: The Black Marble finish ensures every pen has its own individual pattern and character.

• Designed to Be Maintained: Built to be disassembled and cared for, rewarding curious and conscientious owners.

Details

• Dimension: D12.8mm x L131.6mm
  
• Colour: Black, Bronze
  
• Max Ink Capacity: 1.76ml
  
• Item Weight: 21.0g
  
• Material: Resin, Steel
  
• Country of Origin: Taiwan