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Meet the Wren – Write Off: the infinitely refillable pen that gives disposable pens another life. An estimated 9 billion disposable pens are thrown away globally each year. It’s a staggering number. Having spent years creating pens designed to be reused for a lifetime, I couldn't help but feel for these poor little pens – destined to be buried for hundreds of years. It was time to close the loop – to find a way to repurpose them and give them a brand-new life.

Enter the Wren – Write Off, my boldest project to date. Over the past year, we've been working with schools and organisations to intercept stationery waste at the source, preventing it from reaching landfill. This precious plastic is then meticulously separated and sorted to create the wonderful colours you see before you.

Crafted in collaboration with the brilliant Brothers Make, each lid is made by chipping, injection-moulding and hand-finishing the reclaimed plastic – a process that’s more artisan than assembly line. This unique method means every lid is completely one-of-a-kind.

This isn’t just a pen – it’s a small act of rebellion against waste, and a celebration of creativity.

We're on a mission to make choosing refillable options easier, so you can now buy two (or more!) Wren pens and save 10%

Included in the box:

  • The Wren – Write Off in your choice of colours
  • Japanese-made Writing Tip*
  • 3ml Midnight Ink sample
  • Ink Reservoir

*0.3–0.5 depending on pressure

Specifications:

  • Length capped – 80mm
  • Posted (cap on the end of the pen) – 120mm
  • Pen barrel diameter – 13mm
  • Weight – 14g

Full FAQs and a video guide to getting started with your Wren can be found here.

What ink can I use?
The Wren is compatible with all standard Fountain Pen Inks and we have a beautiful range of colours, which are perfect for the Wren and can be found here. Please note the Wren is not suitable for use with our Shimmer Fountain Pen Inks, No.60 Pigment Black Ink or Calligraphy Inks.

Some ink colours can concentrate in the tip, so you may experience a lighter colour after a line or two. This is completely normal and looks quite nice!

How do I store the reservoir and tips?
You can store reservoirs and tips, and change to a different colour using spare reservoirs and my reservoir storage containers.

How long will the tips/ink last?
You can expect the high-quality, Japanese-made tip to last for months of use. We tested a single ink fill in the Wren on a plotter – a device used for precision drawing – and it wrote consistently for 344 metres. That's the equivalent of 50 A4 pages of handwriting!

When the tip eventually dulls, you can find packs of three replacement tips here.

Anything else I should know?
Yes! Each lid is completely unique, made using a one-of-a-kind blend of upcycled plastics. That means colour density and placement will vary from pen to pen. Some are bold and bright, others more subtle – it’s all part of the charm. Think of it as a lucky dip for your desk. No two lids will ever be the same.

Shipping costs are calculated at checkout.

For dispatch times, customs details, and more, please visit our Delivery page. Got a question? Just reach out via our Contact form – we’re here to help!

Hier das Wie (und das Warum)

Plastikmüll: Neu gedacht.

Jedes Jahr werden Milliarden von Plastikstiften einfach weggeworfen. Wir möchten die Dinge anders angehen. Während wir den Abfall örtlicher Schulen und Organisationen gesammelt haben, entstand eine neue Vorstellung davon, was ein Stift sein kann: mit Sorgfalt designt, auf Nachhaltigkeit ausgelegt, und aus Altplastik gewonnen!

Müll eine zweite Chance geben

Wir arbeiten mit örtlichen Schulen und Organisationen zusammen, um gebrauchte Plastikstifte und -marker zu sammeln und vor einem Ende auf der Halde zu bewahren. Die verbrauchten Stifte erwartet nun eine bessere Zukunft!

Sorgsam vorbereitet

In seiner Werkstatt nimmt das fantastische Team von Brothers Make die Plastikhülsen und sortiert, wäscht und zerkleinert sie zu bunten Flocken – bereit zur Verwandlung!

Kleine Serie, große Wirkung

Die neuen Schreibstiftkappen entstehen im Spritzgussverfahren – jedes Teil ein Unikat. Ihren individuellen Schliff erhalten sie von Hand: Kleinserienfertigung, wie sie sein sollte.

Customer Reviews

Based on 1225 reviews
88%
(1078)
7%
(80)
3%
(35)
1%
(15)
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(17)
G
Grace J.

The Wren - Refillable Writing Pen

J
James

Purchased for my wife a teacher. She loves it and i have to say i now want one. Thry write very well indeed

L
Larry B.
Love the Pen

I'm too embarrassed to tell you how many fountain pens I own. I received my Wren, loaded it with Iroshizuku, and am truly enjoying the writing experience. My other pens will be on the sidelines for awhile.

D
Dana

I love everything about this!!

M
Mrs J.S.
A pleasure to use

I smile when I put this pen in my hand , being able to handle something that’s been thought through so carefully , designed to last and give me pleasure. Just to write or doodle , having it is a real treat. It was a present to myself and I absolutely adore it 🩵