TWSBI ECO Fountain Pens - A Special Edition History

A visual look back at all of the new TWSBI ECO (and ECO-T!) fountain pens, including special and regular editions that have been available in the United States.

The TWSBI ECO fountain pen is one of our best selling fountain pen models and for good reason¬†‚Äď fans love¬†its modern design, large ink capacity with the built-in piston filling mechanism, reliable steel nibs, and affordable price. The frequent release of new colors makes it a popular collector's item.


April 2024: Caffè w/ Bronze Trim

Wake up and smell the coffee with the TWSBI ECO in Caffè w/ Bronze Trim. This energizing fountain pen boasts a bronze trim that beautifully highlights its creamy coffee brown cap and piston knob.

TWSBI ECO Fountain Pen - Caffè w/ Bronze Trim


March 2024: Dark Sapphire

Dive into the TWSBI ECO in Dark Sapphire! This ECO features an intense ocean blue-colored cap and piston knob, perfectly complemented by sleek silver trim.

TWSBI ECO Fountain Pen - Dark Sapphire


December 2023: Creme w/ RoseGold

The TWSBI ECO in Creme w/ RoseGold flaunts an exquisite rose gold colored trim that complements its serene off-white cap and piston knob. Its dreamy aesthetics makes this pen perfect for writing some fantastical stories!

TWSBI ECO Fountain Pen - Creme w/ RoseGold


October 2023: Rosso

This TWSBI ECO-T in Rosso features a bright candy apple red cap and piston knob with the ECO-T triangular grip.

TWSBI ECO-T Fountain Pen - Rosso


August 2023: Indigo Blue with Bronze Trim

The TWSBI ECO in Indigo Blue with Bronze Trim ushers in a new trim and body color for the ECO. The bronze is slightly darker than the rosegold of other models and nicely complements the deep blue coloration.


June 2023: Heat 

This TWSBI ECO fountain pen in Heat is a bright fiery orange coloration that is darker and more vibrant than Saffron and Yellow of years past. A perfect summer companion.


March 2023: Persian Green

This TWSBI ECO fountain pen in Persian Green is very similar in color to the Turquoise ECO from 2017, maybe just a tad more green. It definitely has a "teal" vibe to it.

TWSBI ECO Fountain Pen - Persian Green


February 2023: Saffron

This TWSBI ECO-T fountain pen in Saffron features an opaque yellow-orange cap  and piston knob, with the triangular grip for which the ECO-T is known.

TWSBI ECO-T Fountain Pen - Saffron (Special Edition)


December 2022: Royal Jade Rosegold

The most expensive ECO to-date, this special edition TWSBI ECO-T fountain pen features a solid green cap and piston knob, and a clear barrel. The pen is also equipped with a rose-gold plated steel nib, rose gold-plated trim, and even a rose gold-plated piston rod. Finally, an 18ml bottle of TWSBI Midnight Blue fountain pen ink is included, all set in a gift box.

TWSBI ECO-T Fountain Pen Set - Royal Jade Rose Gold


October 2022: Glow Purple

Continuing off of the success of the GLOW Green, this TWSBI ECO fountain pen in GLOW Purple does just that -- the light purple cap and piston knob both glow blue in the dark!

TWSBI ECO fountain pen in GLOW Purple

Purple under normal light

TWSBI ECO fountain pen glowing in the dark

Glowing blue in the dark


September 2022: Cerulean

The TWSBI ECO fountain pen in Cerulean Blue features a solid bright blue cap and piston knob.

Cerulean TWSBI ECO uncapped on graph paper notebook


August 2022: Glow Green

The TWSBI ECO in Glow Green is the first ECO to feature a cap and piston knob that illuminate the dark! Experience the eerie charm of this green-glowing, spine-tingling writing tool, perfect for conjuring up spooky Halloween tales!

TWSBI ECO Fountain Pen - GLOW Green


June 2022: Transparent Yellow

The TWSBI ECO in Transparent Yellow is a true Demonstrator fountain pen, featuring a translucent yellow cap and piston knob that allow you to see every single part of the pen's mechanics.

Transparent Yellow TWSBI ECO uncapped on white notebook unlined


December 2021: Jade



May 2021: Lilac

TWSBI ECO lilac fountain pen


August 2020: Cement Grey

TWSBI ECO fountain pen Cement Grey


March 2020: Yellow

TWSBI ECO Yellow uncapped


January 2020: White RoseGold

The TWSBI ECO in White RoseGold features a crisp white cap and piston knob, making it an elegant addition to your fountain pen collection. Accentuated with rose gold trim and a rose gold-plated steel nib, White RoseGold is sure to elevate your writing experience.

TWSBI ECO White RoseGold


December 2019: Mint Blue

This TWSBI ECO-T in Mint Blue features a solid pastel mint blue-colored cap and piston knob. Additionally, its triangular grip section provides a secure hold on the pen.

TWSBI ECO-T Fountain Pen - Mint Blue


Septemer 2019: Transparent Purple

The TWSBI ECO in Transparent Purple sports a translucent purple cap and piston knob. This cool-toned pen is perfectly complemented by silver trim and a stainless steel nib.

TWSBI ECO Transparent Purple


July 2019: Coral



April 2019: Transparent Orange

TWSBI ECO Transparent Orange


December 2018: Transparent Green & Transparent Blossom Red

TWSBI ECO Transparent Blossom Red and Green


December 2018: Pastel Blue & Pastel Pink ECO

These two colors were originally exclusives to Asia before they hit the US market.

TWSBI ECO Pastels Pink and Blue


September 2018: Transparent Blue

Now a regular edition, the TWSBI ECO in Transparent Blue still one of the most popular ECO colors!

TWSBI ECO Fountain Pen - Transparent Blue


May 2018: Pink



March 2018: YellowGreen

TWSBI ECO-T YellowGreen


November 2017: Blue



August 2017: Turquoise

TWSBI ECO Turquoise


October 2016: Lime Green



To view more of our special edition history blogs, click here.


Shop All TWSBI ECO & ECO-T Fountain Pens