Medium

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      NEW
      TWSBI ECO (Bahama Yellow) - Stub 1.1mm Fountain Pen
      TWSBI ECO (Bahama Yellow) - Fine Fountain Pen
      ECO (Bahama Yellow) - Medium
      TWSBI
      $59.99
      NEW
      TWSBI ECO (Black Marble/ Bronze) - Stub 1.1 Fountain Pen
      TWSBI ECO (Black Marble/ Bronze) - Broad Fountain Pen
      ECO (Black Marble/ Bronze) - Medium
      TWSBI
      $115.00
      ECO (Black) - Medium fountain pen, demonstrator style, with one cap removed showing the nib and clear barrel displaying the piston-filling mechanism; another pen is capped.
      ECO (Black) - Medium
      TWSBI
      $59.99
      TWSBI ECO (Caffe / Bronze) - Medium Fountain Pen
      TWSBI ECO (Caffe / Bronze) - Medium Fountain Pen
      ECO (Caffe / Bronze) - Medium
      TWSBI
      $115.00
      TWSBI ECO (Carrara / Onyx) - Fine Fountain Pen
      TWSBI ECO (Carrara / Onyx) - Fine Fountain Pen
      ECO (Carrara / Onyx) - Medium
      TWSBI
      $115.00
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      TWSBI ECO (Cement Gray) - Medium Fountain Pen
      ECO (Cement Gray) - Medium
      TWSBI
      $54.54
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      TWSBI ECO (Cerulean) - Medium Fountain Pen
      ECO (Cerulean) - Medium
      TWSBI
      $59.99
      TWSBI ECO (Clear) - Medium fountain pen, shown capped and uncapped, with visible piston-filling mechanism, stainless-steel nib, and metal clip on the screw-on cap.
      ECO (Clear) - Medium
      TWSBI
      $59.99
      NEW
      TWSBI ECO (Cosmos Blue / Onyx) - Broad Fountain Pen
      TWSBI ECO (Cosmos Blue / Onyx) - Extra Fine Fountain Pen
      ECO (Cosmos Blue / Onyx) - Medium
      TWSBI
      $115.00
      TWSBI ECO (Creme / Rose Gold) - Medium Fountain Pen
      TWSBI ECO (Creme / Rose Gold) - Medium Fountain Pen
      ECO (Creme / Rose Gold) - Medium
      TWSBI
      $105.00
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      TWSBI ECO (Dark Sapphire) - Medium Fountain Pen
      TWSBI ECO (Dark Sapphire) - Medium Fountain Pen
      ECO (Dark Sapphire) - Medium
      TWSBI
      $59.99
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      TWSBI ECO (Espresso / Bronze) - Extra Fine Fountain Pen
      TWSBI ECO (Espresso / Bronze) - Fine Fountain Pen
      ECO (Espresso / Bronze) - Medium
      TWSBI
      $115.00
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      NEW
      ECO (Fluorite Purple / Bronze) - Medium
      TWSBI
      $115.00
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      TWSBI ECO (Glow Purple) - Medium Fountain Pen
      TWSBI ECO (Glow Purple) - Medium Fountain Pen
      ECO (Glow Purple) - Medium
      TWSBI
      $59.99
      TWSBI ECO (Glow) - Medium Fountain Pen
      ECO (Glow) - Medium
      TWSBI
      $59.99
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      TWSBI ECO (Heat) - Medium Fountain Pen
      ECO (Heat) - Medium
      TWSBI
      $59.99
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      TWSBI ECO (Indigo Blue / Bronze) - Medium Fountain Pen
      ECO (Indigo Blue / Bronze) - Medium
      TWSBI
      $115.00
      TWSBI ECO (Irish Green/ Onyx) - Medium Fountain Pen
      TWSBI ECO (Irish Green/ Onyx) - Fine Fountain Pen
      ECO (Irish Green/ Onyx) - Medium
      TWSBI
      $115.00
      Sold Out
      TWSBI ECO (Jade) - Medium Fountain Pen
      ECO (Jade) - Medium
      TWSBI
      $54.54
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      TWSBI ECO (Lilac) - Medium Fountain Pen
      ECO (Lilac) - Medium
      TWSBI
      $54.54
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      TWSBI ECO (Matcha) - Broad Fountain Pen
      TWSBI ECO (Matcha) - Extra Fine Fountain Pen
      ECO (Matcha) - Medium
      TWSBI
      $59.99
      TWSBI ECO (Persian Green) - Medium Fountain Pen
      ECO (Persian Green) - Medium
      TWSBI
      $59.99
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      ECO (Pink) - Medium fountain pens with bright pink caps, one capped and one uncapped showing a stainless-steel nib, transparent barrels revealing the ink reservoir.
      ECO (Pink) - Medium
      TWSBI
      $54.54
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      TWSBI ECO (Plum / Onyx) - Fine Fountain Pen
      TWSBI ECO (Plum / Onyx) - Extra Fine Fountain Pen
      ECO (Plum / Onyx) - Medium
      TWSBI
      $115.00
      Sold Out
      NEW
      ECO (Rootbeer / Bronze) - Medium
      TWSBI
      $115.00
      TWSBI ECO (Serpentine / Bronze) - Stub 1.1 Fountain Pen
      TWSBI ECO (Serpentine / Bronze) - Extra Fine Fountain Pen
      ECO (Serpentine / Bronze) - Medium
      TWSBI
      $115.00
      Sold Out
      TWSBI ECO (Sky Blue) - Broad Fountain Pen
      TWSBI ECO (Sky Blue) - Extra Fine Fountain Pen
      ECO (Sky Blue) - Medium
      TWSBI
      $59.99
      TWSBI ECO (Slate Blue / Onyx) - Broad Fountain Pen
      TWSBI ECO (Slate Blue / Onyx) - Extra Fine Fountain Pen
      ECO (Slate Blue / Onyx) - Medium
      TWSBI
      $115.00
      TWSBI ECO (Smoke / Rose Gold) - Medium Fountain Pen
      TWSBI ECO (Smoke / Rose Gold) - Medium Fountain Pen
      ECO (Smoke / Rose Gold) - Medium
      TWSBI
      $105.00
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      ECO (Transparent Blossom) - Medium fountain pens with clear barrels displaying piston mechanism, topped with translucent red caps, resembling TWSBI's demonstrator models.
      ECO (Transparent Blossom) - Medium
      TWSBI
      $54.54
      TWSBI ECO (Transparent Blue) - Medium, a clear-barrel fountain pen with blue accents, piston-filling mechanism, stainless-steel nib, and visible ink reservoir.
      ECO (Transparent Blue) - Medium fountain pen with clear resin barrel, blue trim, visible piston filling mechanism, and screw-on cap. Suitable for beginners and experienced users.
      ECO (Transparent Blue) - Medium
      TWSBI
      $59.99
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      ECO (Transparent Green) - Medium fountain pen, featuring a clear barrel, bright green cap, piston-filling mechanism, and stainless-steel nib, displayed capped and uncapped.
      ECO (Transparent Green) - Medium
      TWSBI
      $54.54
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      TWSBI ECO (Transparent Orange) - Medium fountain pens, one capped, one uncapped showing steel nib and piston-fill mechanism, with transparent barrels and bright orange caps.
      ECO (Transparent Orange) - Medium
      TWSBI
      $54.54
      ECO (Transparent Purple) - Medium fountain pen, uncapped showing steel nib and piston mechanism; capped view highlights purple cap with metal clip and clear reservoir.
      ECO (Transparent Purple) - Medium
      TWSBI
      $59.99
      TWSBI ECO (Transparent Yellow) - Medium Fountain Pen
      TWSBI ECO (Transparent Yellow) - Medium Fountain Pen
      ECO (Transparent Yellow) - Medium
      TWSBI
      $59.99
      ECO (White) - Medium fountain pen features a clear barrel, visible piston-fill system, white cap, silver trim, and medium nib. Ideal for ink level monitoring.
      ECO (White) - Medium
      TWSBI
      $59.99
      TWSBI ECO (White/ Rose Gold) - Medium Fountain Pen
      ECO (White/ Rose Gold) - Medium
      TWSBI
      $105.00
      Sold Out
      TWSBI ECO (Yellow) - Medium Fountain Pen
      ECO (Yellow) - Medium
      TWSBI
      $54.54
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      ECO-T (Blue) - Medium fountain pen with a transparent barrel, visible piston mechanism, steel nib, and separate blue cap with TWSBI imprint.
      CAD rendering of two tubular nibs, ECO and ECO T. ECO T features a distinct taper near the inlet, enhancing grip for TWSBI's ECO-T (Blue) - Medium.
      ECO-T (Blue) - Medium
      TWSBI
      $54.54
      ECO-T (Clear) - Medium fountain pen with transparent barrel and cap, showcasing the internal piston-filling mechanism and a metal nib, designed for enhanced grip technique.
      ECO-T (Clear) - Medium fountain pen, showcasing a stainless-steel nib, transparent barrel with piston-filling, and clear cap with red top and metal clip.
      ECO-T (Clear) - Medium
      TWSBI
      $59.99