Most Chosen & Kits

A serpentine green with quiet visual depth The TWSBI Eco Serpentine is a limited edition piston filler with a mixed resin finish inspired by the t...

A warm amber Eco with a cola finish The TWSBI Eco Rootbeer with Bronze is a piston filling fountain pen in a warm amber-brown transparent resin, wi...

A plum Eco that shifts depending on ink choice The TWSBI Eco Plum is a piston filling fountain pen with a deep crimson body and subtle black trim. ...

A striking purple-pink with bronze The TWSBI Eco Fluorite Purple with Bronze trim uses a mixed resin finish that combines purple tones with lighter...

A quieter, stone inspired take on the Eco The TWSBI Eco Carrara with Onyx trim takes inspiration from the veined texture of Carrara marble, transla...

A fresh, translucent green demonstrator The Opus 88 Demo Green is a full sized demonstrator fountain pen finished in a translucent green acrylic th...

Toned down demonstrator with gunmetal trim  The Opus 88 Holiday Jazz is a full sized eyedropper fountain pen with a stylish frosted body, with gunm...

With over 20 years experience in making ballpoint pens, TWSBI knows how to make them to last.Constructed from stainless steel.Takes a standard Park...

Catching the light at the right angle The TWSBI Diamond 580 Iris Fountain Pen is a full size pen that uses an iridescent trim to catch the light an...

Catch the light every time you use it The TWSBI Vac 700R Iris takes the oversized clear demonstrator body and gives it a completely different energ...

The feel of summer in your hand The TWSBI Eco Pink Lemonade with Bronze pairs a soft pink resin with the warmth of bronze, creating one of the most...