TWSBI

TWSBI fountain pens are known for precision engineering, smooth nibs, and generous ink capacity. Explore the full lineup, including the entry-level Eco and Eco-T, aluminium-bodied 580AL and 580ALR, piston-filled Vac700R, beginner-friendly Go, compact Swipe, and Gemini. TWSBI also offers a growing range of bottled inks, perfect for pairing with any of their refillable pens. Whether you're writing daily or building your collection, there's a TWSBI for every writer.

Looking for ink? Browse our full range of TWSBI bottled inks and samples.

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TWSBI ECO (Cerulean) - Broad fountain pen with clear barrel, turquoise cap, and stainless-steel nib, featuring a piston-fill mechanism for high ink capacity.
TWSBI
ECO (Cerulean) - Broad
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$59.99
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TWSBI ECO (Cerulean) - Broad fountain pen with clear barrel, turquoise cap, and stainless-steel nib, featuring a piston-fill mechanism for high ink capacity.

ECO (Cerulean) - Broad

$59.99

TWSBI

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TWSBI ECO (Cerulean) - Stub 1.1mm fountain pen with clear barrel, turquoise cap, and stainless-steel nib, featuring a piston-fill mechanism for high ink capacity.
TWSBI
ECO (Cerulean) - Stub 1.1mm
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$59.99
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TWSBI ECO (Cerulean) - Stub 1.1mm fountain pen with clear barrel, turquoise cap, and stainless-steel nib, featuring a piston-fill mechanism for high ink capacity.

ECO (Cerulean) - Stub 1.1mm

$59.99

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TWSBI ECO (Glow Green) - Stub 1.1mm nib fountain pen, shown with clear barrel, uninked on left and filled with black ink on right, featuring a piston-fill mechanism.
TWSBI
ECO (Glow) - Stub 1.1mm
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$59.99
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TWSBI ECO (Glow Green) - Stub 1.1mm nib fountain pen, shown with clear barrel, uninked on left and filled with black ink on right, featuring a piston-fill mechanism.

ECO (Glow) - Stub 1.1mm

$59.99

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TWSBI SWIPE (Pear Green) - medium fountain pen set, featuring a pastel-green body, translucent grip, stainless-steel nib, with cartridge/converter filling system.
TWSBI
SWIPE (Pear Green) - Medium
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$43.50
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TWSBI SWIPE (Pear Green) - medium fountain pen set, featuring a pastel-green body, translucent grip, stainless-steel nib, with cartridge/converter filling system.

SWIPE (Pear Green) - Medium

$43.50

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TWSBI Diamond 580 ALR Navy Blue Fine fountain pen, transparent body with blue anodized trim, uncapped showing stainless-steel nib and piston filling mechanism, ideal for fountain pen enthusiasts.
TWSBI
Diamond 580 ALR (Navy Blue) - Medium
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$120.00
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TWSBI Diamond 580 ALR Navy Blue Fine fountain pen, transparent body with blue anodized trim, uncapped showing stainless-steel nib and piston filling mechanism, ideal for fountain pen enthusiasts.

Diamond 580 ALR (Navy Blue) - Medium

$120.00

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TWSBI SWIPE (Smoke) - Extra Fine Fountain Pen
TWSBI
SWIPE (Smoke) - Extra Fine
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$43.50
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TWSBI SWIPE (Smoke) - Extra Fine Fountain Pen
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SWIPE (Smoke) - Extra Fine

$43.50

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TWSBI SWIPE (Prussian Blue) - Broad Fountain Pen
TWSBI
SWIPE (Prussian Blue) - Broad
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$43.50
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TWSBI SWIPE (Prussian Blue) - Broad Fountain Pen
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SWIPE (Prussian Blue) - Broad

$43.50

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TWSBI Diamond Mini Rose Gold II (White) - Broad Fountain Pen
TWSBI
Diamond Mini Rose Gold II (White) - Broad
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$135.00
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TWSBI Diamond Mini Rose Gold II (White) - Broad Fountain Pen

Diamond Mini Rose Gold II (White) - Broad

$135.00

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TWSBI Diamond 580 ALR (Punch Pink) - Fine Fountain Pen
TWSBI
Diamond 580 ALR (Punch Pink) - Fine
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$120.00
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TWSBI Diamond 580 ALR (Punch Pink) - Fine Fountain Pen
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Diamond 580 ALR (Punch Pink) - Fine

$120.00

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TWSBI Diamond 580 ALR (Prussian Blue) - Broad fountain pen, clear body, aluminium grip, uncapped showing metal nib and section, with screw-on cap beside it.
TWSBI
Diamond 580 ALR (Prussian Blue) - Broad
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$120.00
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TWSBI Diamond 580 ALR (Prussian Blue) - Broad fountain pen, clear body, aluminium grip, uncapped showing metal nib and section, with screw-on cap beside it.

Diamond 580 ALR (Prussian Blue) - Broad

$120.00

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TWSBI ECO (Transparent Blue) - Extra Fine fountain pen with a clear barrel, visible ink reservoir, and blue screw-on cap beside it, showcasing a piston-filling mechanism.
TWSBI
ECO (Transparent Blue) - Extra Fine
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$59.99
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TWSBI ECO (Transparent Blue) - Extra Fine fountain pen with a clear barrel, visible ink reservoir, and blue screw-on cap beside it, showcasing a piston-filling mechanism.
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ECO (Transparent Blue) - Extra Fine

$59.99

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Diamond Mini (Clear) - Medium fountain pens showing piston-filling mechanisms. One capped, one uncapped revealing stainless-steel nib, with transparent barrels and silver-colored trim.
TWSBI
Diamond Mini (Clear) - Medium
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$92.00
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Diamond Mini (Clear) - Medium fountain pens showing piston-filling mechanisms. One capped, one uncapped revealing stainless-steel nib, with transparent barrels and silver-colored trim.
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Diamond Mini (Clear) - Medium

$92.00

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Diamond Mini (Clear) - Extra Fine fountain pen, with a transparent body showing the piston-filling mechanism. One pen is capped, the other reveals the metal nib.
TWSBI
Diamond Mini (Clear) - Extra Fine
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$92.00
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Diamond Mini (Clear) - Extra Fine fountain pen, with a transparent body showing the piston-filling mechanism. One pen is capped, the other reveals the metal nib.
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Diamond Mini (Clear) - Extra Fine

$92.00

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new Diamond 580 ALR (Affogato with Onyx) - Stub 1.1 fountain pen featuring a clear barrel, piston mechanism, and orange metal accents, showcasing its elegant design and functionality.
TWSBI
Diamond 580 ALR (Affogato with Onyx) - Extra Fine
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$155.00
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Diamond 580 ALR (Affogato with Onyx) - Stub 1.1 fountain pen featuring a clear barrel, piston mechanism, and orange metal accents, showcasing its elegant design and functionality.
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Diamond 580 ALR (Affogato with Onyx) - Extra Fine

$155.00

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new TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
TWSBI
ECO (Serpentine / Bronze) - Broad
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$105.00
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TWSBI ECO fountain pen in Serpentine colourway with copper accents, displayed on a natural wooden surface
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ECO (Serpentine / Bronze) - Broad

$105.00

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new Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
TWSBI
ECO (Slate Blue / Onyx) - Extra Fine
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$95.00
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Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
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ECO (Slate Blue / Onyx) - Extra Fine

$95.00

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new Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
TWSBI
ECO (Slate Blue / Onyx) - Fine
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$95.00
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Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
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ECO (Slate Blue / Onyx) - Fine

$95.00

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new Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
TWSBI
ECO (Slate Blue / Onyx) - Medium
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$95.00
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Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
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ECO (Slate Blue / Onyx) - Medium

$95.00

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new Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
TWSBI
ECO (Slate Blue / Onyx) - Broad
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$95.00
X
Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
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ECO (Slate Blue / Onyx) - Broad

$95.00

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new Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
TWSBI
ECO (Slate Blue / Onyx) - Stub 1.1
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$95.00
X
Two TWSBI ECO (Slate Blue/Onyx) - Extra Fine fountain pens, one capped, one uncapped, showcasing clear barrels with visible piston-filling mechanisms and blue end caps.
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ECO (Slate Blue / Onyx) - Stub 1.1

$95.00

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TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
TWSBI
ECO (Sky Blue) - Stub 1.1
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$59.99
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TWSBI ECO (Sky Blue) - Extra Fine fountain pen, capped and uncapped, with clear barrel showcasing piston-fill mechanism, sky-blue cap, and stainless steel nib.
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ECO (Sky Blue) - Stub 1.1

$59.99

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TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
TWSBI
ECO (Amazonite) - Fine
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$68.00
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TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
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ECO (Amazonite) - Fine

$68.00

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TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
TWSBI
ECO (Amazonite) - Broad
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$68.00
X
TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
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ECO (Amazonite) - Broad

$68.00

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TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
TWSBI
ECO (Amazonite) - Stub 1.1
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$68.00
X
TWSBI ECO (Amazonite) - Extra Fine fountain pens, featuring clear barrels and mint-green marbling, showcasing a piston-filling mechanism and stainless-steel nib.
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ECO (Amazonite) - Stub 1.1

$68.00

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TWSBI ECO fountain pen in Caffe/Bronze, featuring a medium nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
TWSBI
ECO (Caffe / Bronze) - Medium
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$95.00
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TWSBI ECO fountain pen in Caffe/Bronze, featuring a medium nib, clear barrel, and piston fill mechanism. One pen is capped, the other uncapped, revealing the nib.
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ECO (Caffe / Bronze) - Medium

$95.00

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TWSBI Diamond 580ALR (Black) - extra fine fountain pen, transparent body with piston mechanism, steel nib, and matte aluminium grip, showcasing elegant design and functionality.
TWSBI
Diamond 580 ALR (Black) - Extra Fine
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$120.00
X
TWSBI Diamond 580ALR (Black) - extra fine fountain pen, transparent body with piston mechanism, steel nib, and matte aluminium grip, showcasing elegant design and functionality.
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Diamond 580 ALR (Black) - Extra Fine

$120.00

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TWSBI ECO fountain pen in Creme/Rose Gold, featuring a clear acrylic body, stub 1.1 steel nib, and piston filling mechanism, showcasing elegant rose-gold-tone trim.
TWSBI
ECO (Creme / Rose Gold) - Stub 1.1
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$95.00
X
TWSBI ECO fountain pen in Creme/Rose Gold, featuring a clear acrylic body, stub 1.1 steel nib, and piston filling mechanism, showcasing elegant rose-gold-tone trim.
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ECO (Creme / Rose Gold) - Stub 1.1

$95.00

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TWSBI Kai (LE) - Broad fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
TWSBI
TWSBI Kai (LE) - Broad
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$235.00
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TWSBI Kai (LE) - Broad fountain pen with blue-black marbled resin, rose-gold trim, and gold nib. Includes ink window and screw-on cap.
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TWSBI Kai (LE) - Broad

$235.00

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TWSBI Diamond Mini AL (Grape) - Fine fountain pen with transparent body, purple accents, and stainless-steel nib, showcasing capped and uncapped views for detailed appreciation.
TWSBI
Diamond Mini AL (Grape) - Fine
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$109.00
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TWSBI Diamond Mini AL (Grape) - Fine fountain pen with transparent body, purple accents, and stainless-steel nib, showcasing capped and uncapped views for detailed appreciation.

Diamond Mini AL (Grape) - Fine

$109.00

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TWSBI Diamond Mini AL (Grape) - Medium fountain pen with transparent body, purple accents, and stainless-steel nib, showcasing capped and uncapped views for detailed appreciation.
TWSBI
Diamond Mini AL (Grape) - Medium
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$109.00
X
TWSBI Diamond Mini AL (Grape) - Medium fountain pen with transparent body, purple accents, and stainless-steel nib, showcasing capped and uncapped views for detailed appreciation.

Diamond Mini AL (Grape) - Medium

$109.00

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TWSBI ECO-T (Saffron) fountain pen shown capped and uncapped, featuring a piston filling mechanism, fine steel nib, and orange accents.
TWSBI
ECO-T (Saffron) - Fine
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$59.99
X
TWSBI ECO-T (Saffron) fountain pen shown capped and uncapped, featuring a piston filling mechanism, fine steel nib, and orange accents.
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ECO-T (Saffron) - Fine

$59.99

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TWSBI ECO-T (Saffron) fountain pen shown capped and uncapped, featuring a piston filling mechanism, broad steel nib, and orange accents.
TWSBI
ECO-T (Saffron) - Broad
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$59.99
X
TWSBI ECO-T (Saffron) fountain pen shown capped and uncapped, featuring a piston filling mechanism, broad steel nib, and orange accents.
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ECO-T (Saffron) - Broad

$59.99

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TWSBI ECO-T Pen and Ink Set (Royal Jade/Rose Gold) with Stub 1.1mm nib, featuring a clear barrel and piston converter, includes a 15ml Midnight Blue fountain pen ink bottle.
TWSBI
ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Stub 1.1mm
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$129.00
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TWSBI ECO-T Pen and Ink Set (Royal Jade/Rose Gold) with Stub 1.1mm nib, featuring a clear barrel and piston converter, includes a 15ml Midnight Blue fountain pen ink bottle.
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ECO-T Pen and Ink Set (Royal Jade / Rose Gold) - Stub 1.1mm

$129.00

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TWSBI ECO (Cerulean) - Extra Fine fountain pen with clear barrel, turquoise cap, and stainless-steel nib, featuring a piston-fill mechanism for high ink capacity.
TWSBI
ECO (Cerulean) - Extra Fine
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$59.99
X
TWSBI ECO (Cerulean) - Extra Fine fountain pen with clear barrel, turquoise cap, and stainless-steel nib, featuring a piston-fill mechanism for high ink capacity.

ECO (Cerulean) - Extra Fine

$59.99

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TWSBI ECO (Glow Green) - Fine fountain pen, shown with clear barrel, uninked on left and filled with black ink on right, featuring a piston-fill mechanism.
TWSBI
ECO (Glow) - Fine
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$59.99
X
TWSBI ECO (Glow Green) - Fine fountain pen, shown with clear barrel, uninked on left and filled with black ink on right, featuring a piston-fill mechanism.

ECO (Glow) - Fine

$59.99

TWSBI

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TWSBI SWIPE (Salmon) - Medium fountain pen set, featuring two coral-orange pens with silver accents, one uncapped showing its nib and transparent section.
TWSBI
SWIPE (Salmon) - Medium
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$43.50
X
TWSBI SWIPE (Salmon) - Medium fountain pen set, featuring two coral-orange pens with silver accents, one uncapped showing its nib and transparent section.
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SWIPE (Salmon) - Medium

$43.50

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TWSBI Diamond 580 ALR (Navy Blue) - Extra Fine fountain pen, transparent barrel, blue accents, stainless steel nib, piston-filling mechanism, one pen capped, another uncapped, showcasing grip and nib.
TWSBI
Diamond 580 ALR (Navy Blue) - Extra Fine
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$120.00
X
TWSBI Diamond 580 ALR (Navy Blue) - Extra Fine fountain pen, transparent barrel, blue accents, stainless steel nib, piston-filling mechanism, one pen capped, another uncapped, showcasing grip and nib.

Diamond 580 ALR (Navy Blue) - Extra Fine

$120.00

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TWSBI Diamond 580 ALR Navy Blue Fine fountain pen, transparent body with blue anodized trim, uncapped showing stainless-steel nib and piston filling mechanism, ideal for fountain pen enthusiasts.
TWSBI
Diamond 580 ALR (Navy Blue) - Broad
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$120.00
X
TWSBI Diamond 580 ALR Navy Blue Fine fountain pen, transparent body with blue anodized trim, uncapped showing stainless-steel nib and piston filling mechanism, ideal for fountain pen enthusiasts.

Diamond 580 ALR (Navy Blue) - Broad

$120.00

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TWSBI SWIPE (Smoke) - Fine Fountain Pen
TWSBI
SWIPE (Smoke) - Fine
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$43.50
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TWSBI SWIPE (Smoke) - Fine Fountain Pen
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SWIPE (Smoke) - Fine

$43.50

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TWSBI SWIPE (Blue Ice) Stub 1.1mm fountain pen, shown capped and with nib exposed, featuring a cartridge/converter system and stainless steel nib in a to-go box. Sold Out
TWSBI
SWIPE (Blue Ice) - Stub 1.1mm
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$43.50
X
TWSBI SWIPE (Blue Ice) Stub 1.1mm fountain pen, shown capped and with nib exposed, featuring a cartridge/converter system and stainless steel nib in a to-go box.
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Sold Out

SWIPE (Blue Ice) - Stub 1.1mm

$43.50

TWSBI

This product is sold out

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