Description

Colour Options:

• Black: A timeless classic, Black pairs deep jet-black resin with crystal-clear transparency, creating a striking balance of sophistication, simplicity, and everyday elegance.
• White: Crisp white accents combined with a transparent barrel create a clean, modern aesthetic inspired by minimalist design and understated refinement.
• Clear: The ultimate demonstrator fountain pen, Clear showcases every detail of the precision piston-filling mechanism through its crystal-clear body for a pure and technical look.
• Heat: Inspired by glowing embers and summer sunsets, Heat radiates energy with its vivid orange cap and piston knob, bringing warmth and vitality to every writing session.
• Transparent Yellow: Reminiscent of golden sunlight shining through amber glass, Transparent Yellow features luminous translucent yellow accents that create a cheerful and vibrant appearance.
• Saffron: Inspired by the rich golden-orange tones of the precious spice, Saffron combines warmth and vibrancy with a distinctive character full of energy and charm.
• Sky Blue: Capturing the serene beauty of a clear summer sky, Sky Blue pairs soft blue accents with a transparent barrel for a fresh, bright, and uplifting look.
• Amazonite: Inspired by the calming beauty of amazonite gemstones, this special edition showcases swirling marbled turquoise and seafoam tones that evoke tranquil tropical waters and natural elegance.
• Cerulean: Reflecting the brilliant blue of cloudless Mediterranean skies, Cerulean combines vivid cerulean accents with crystal-clear transparency for a fresh and captivating appearance.
• Dark Sapphire: Inspired by the depth and mystery of precious sapphire gemstones, Dark Sapphire features rich blue tones that convey sophistication, confidence, and timeless style.
• White & Rose Gold: Elegant white resin paired with luxurious rose gold trim creates a refined combination that balances contemporary style with timeless sophistication.
• Smoke & Rose Gold: Featuring smoky semi-transparent black resin complemented by warm rose gold details, this colourway combines modern luxury with a subtle air of mystery.
• Crème & Rose Gold: Soft crème-coloured accents and radiant rose gold trim create a warm, inviting palette inspired by classic European elegance and understated luxury.
• Caffe & Bronze: Inspired by freshly roasted coffee beans, Caffe & Bronze blends rich coffee-brown accents with warm bronze details, creating a comforting and sophisticated aesthetic.
• Espresso & Bronze: Deep espresso-brown accents paired with bronze trim evoke the rich intensity of a perfectly brewed espresso, offering warmth, depth, and timeless character.
• Pink Lemonade & Bronze: Playful pink lemonade tones paired with warm bronze details create a fresh, uplifting colourway that balances vibrant character with understated sophistication.
• Irish Green & Onyx: Inspired by the lush green landscapes of Ireland, this striking colourway combines vibrant green accents with dark ruthenium trim for a bold yet refined contrast.
• Carrara & Onyx: Drawing inspiration from the famous white-grey marble of Carrara, Italy, this elegant edition combines marble-like resin with dark onyx ruthenium trim for a sophisticated architectural aesthetic.
• Slate Blue & Onyx: Inspired by stormy coastal skies and weathered stone, Slate Blue & Onyx pairs muted blue-grey tones with dark ruthenium accents for a contemporary and understated elegance.
• Plum & Onyx: Rich plum-coloured accents glow with warm, velvety reflections, while dark ruthenium trim creates a luxurious contrast that feels both sophisticated and distinctive.
• Glow Purple: By day, its vibrant purple accents offer playful elegance; by night, they glow softly in the dark, creating a unique writing companion inspired by starlit evenings.
• Persian Green: Inspired by the vibrant turquoise-green tones found in traditional Persian art and architecture, Persian Green brings a fresh, exotic character full of colour and personality.
• Indigo Blue & Bronze: Rich indigo blue tones paired with warm bronze trim evoke the beauty of twilight skies, creating a harmonious balance between classic elegance and contemporary style.
• Serpentine & Bronze: Inspired by the natural beauty of serpentine stone, this sophisticated colourway blends swirling olive green, smoky grey, and bronze tones, enhanced by warm bronze trim that adds depth and refined character.
• Cosmo Blue & Onyx: Inspired by distant galaxies and celestial light, Cosmo Blue features swirling cosmic blue tones paired with a vibrant translucent turquoise end cap, while dark onyx ruthenium accents complete its modern, space-inspired aesthetic.
• Black Marble & Bronze: Reminiscent of polished natural stone, Black Marble & Bronze combines deep black resin with smoky grey marbling and warm bronze accents for a look that is both dramatic and elegantly understated.
• Rootbeer: Inspired by vintage root beer bottles and nostalgic Americana, this transparent brown acrylic edition pairs rich amber tones with sought-after bronze trim, creating a warm and characterful writing instrument.
• Bahama Yellow: Inspired by tropical sunshine, golden beaches, and the vibrant spirit of the Caribbean, Bahama Yellow radiates warmth and optimism with its bright yellow accents and crystal-clear barrel.
• Fluorite Purple & Bronze: Inspired by the captivating beauty of fluorite crystals, this luminous colourway features semi-transparent swirls of purple, pink, and lilac, beautifully complemented by warm bronze trim that enhances its gemstone-like elegance.
• White Year of the Horse: 2026 is the year of bingwu (year of the horse). In the term bingwu, the heavenly stem “bing” belongs to fire, and the earthly branch “wu” corresponds to the zodiac horse, thus called the “fire horse year” or the “red horse year”. The transparent barrel features the Red Hare horse (Chìtù Mǎ), the legendary horse associated with Lü Bu and Guan Yu, & the white cap incorporates traditional Chinese motifs including auspicious clouds, copper coins, sycees (gold/silver ingots), and gourds.

Pen cap is able to post onto the back of the pen
Piston Filler Fountain pen.

Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!!

Pen cap has an inner cap to insure a perfect seal when stored away.
Made for the beginner who just wants to try out fountain pens, all the way to the experts. A good everyday worker.

Please note: Ink is NOT included

A quick no brainer guide in choosing nib sizes in an overly complicated fountain pen world:

If you write small, go with an EF
For the normal writer, F is the most popular
If you tend to lean on a bigger font, M will be perfect
B is for statements!! Sign a check in B, write a header in B, do some coloring/shading in B
Stub nibs are italic in writing style (have a special card or invitation to write?)

Included in the box:
Packaged with a wrench and silicone grease

Specifications:

• Length capped – 63mm
• Length uncapped – 54mm
• Made from Anodised Aluminium and Brass, Brass or Stainless Steel

TWSBI is a Taiwanese brand renowned for creating high-quality fountain pens, inks, and writing accessories that combine precision engineering with innovative design. Since its founding, TWSBI has focused on producing pens that offer professional performance at an accessible price point, appealing to both everyday writers and enthusiasts.

The brand is celebrated for its transparent and demonstrator-style pens, which showcase intricate internal mechanisms, as well as its easy-to-use filling systems, including piston, vacuum, and eyedropper-compatible designs. TWSBI pens are engineered for smooth ink flow, reliability, and durability, making them ideal for long writing sessions or creative projects.

In addition to pens, TWSBI offers a range of complementary products, including bottled inks and replacement nibs, ensuring a complete writing experience. With a commitment to precision, practicality, and style, TWSBI has built a loyal following worldwide, blending traditional fountain pen craftsmanship with modern innovation.