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 (Glow Purple) - Stub 1.1mm fountain pen with clear barrel, featuring a piston-filling mechanism; one pen capped, the other uncapped showing the steel nib.
TWSBI
ECO (Glow Purple) - Stub 1.1mm
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$59.99
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TWSBI ECO (Glow Purple) - Stub 1.1mm fountain pen with clear barrel, featuring a piston-filling mechanism; one pen capped, the other uncapped showing the steel nib.
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ECO (Glow Purple) - Stub 1.1mm

$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.
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

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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
X
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
X
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 ECO (Carrara / Onyx) - Fine
TWSBI
ECO (Carrara / Onyx) - Fine
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$105.00
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ECO (Carrara / Onyx) - Fine
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ECO (Carrara / Onyx) - Fine

$105.00

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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) - 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
X
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
X
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

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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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Diamond Mini (Clear) - Fine fountain pen, featuring a transparent body with silver trim. One pen capped, the other uncapped, showcasing the steel nib and piston mechanism. Sold Out
TWSBI
Diamond Mini (Clear) - Fine
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$92.00
X
Diamond Mini (Clear) - Fine fountain pen, featuring a transparent body with silver trim. One pen capped, the other uncapped, showcasing the steel nib and piston mechanism.
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Sold Out

Diamond Mini (Clear) - Fine

$92.00

TWSBI

This product is sold out

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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.
/ 1 / 2 / 3
Sold Out

SWIPE (Blue Ice) - Stub 1.1mm

$43.50

TWSBI

This product is sold out

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TWSBI ECO (Transparent Yellow) fountain pen, fine nib, shown capped and uncapped, highlighting its piston fill mechanism and steel nib. Ideal for beginners and enthusiasts. Sold Out
TWSBI
ECO (Transparent Yellow) - Fine
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$59.99
X
TWSBI ECO (Transparent Yellow) fountain pen, fine nib, shown capped and uncapped, highlighting its piston fill mechanism and steel nib. Ideal for beginners and enthusiasts.
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Sold Out

ECO (Transparent Yellow) - Fine

$59.99

TWSBI

This product is sold out

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