TWSBI ECO Black Marble with Bronze Fountain Pen

Size: Extra Fine
₹. 9,350

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TWSBI Eco Fountain Pen – Black Marble with Bronze

The TWSBI Eco Black Marble with Bronze brings a swirling, marbled black finish to TWSBI's best-selling Eco, paired with warm Bronze plated trim across the clip, cap band, and piston knob. The demonstrator sections still let you keep an eye on the ink level and piston mechanism.

A polished stainless steel nib is available in five sizes, and the threaded cap posts securely on the back of the pen for balanced writing. An inner cap keeps the nib sealed and ready to write even after weeks unused.

Key Features

  • Swirling, marbled Black Marble demonstrator cap and barrel
  • Bronze plated trim
  • Piston filling mechanism, holds up to 1.7ml of ink
  • Stainless steel nib, available in five sizes
  • Threaded, postable hexagonal cap with inner seal

Brand TWSBI
Product Origin Taiwan
Product Type Fountain Pen
Colour Black Marble
Nib Material Stainless Steel
Nib Size Extra Fine, Fine, Medium, Broad, Stub 1.1
Body Material Resin (Demonstrator, Marbled Pattern)
Trim Bronze Plated
Ink Filling Mechanism Piston Filler (~1.7ml Capacity)
Cap Mechanism Threaded, Postable

It uses a piston filling mechanism that draws ink directly from a bottle, holding up to 1.7ml — no cartridges or converters needed.

It's a swirling, marbled black finish paired with warm Bronze plated trim.

This pen is available in Extra Fine, Fine, Medium, Broad and Stub 1.1 stainless steel nib sizes.

It's made by TWSBI in Taiwan.