---
product_id: 60183337
title: "Twsbi Eco-T Yellow-Green M Nib Fountain Pen"
brand: "twsbi"
price: "€ 0.57"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/60183337-twsbi-eco-t-yellow-green-m-nib-fountain-pen
store_origin: FI
region: Finland
---

# Transparent body Triangular grip Piston ink filling system Twsbi Eco-T Yellow-Green M Nib Fountain Pen

**Brand:** twsbi
**Price:** € 0.57
**Availability:** ❌ Out of Stock

## Summary

> ✍️ Write Your Story in Style!

## Quick Answers

- **What is this?** Twsbi Eco-T Yellow-Green M Nib Fountain Pen by twsbi
- **How much does it cost?** € 0.57 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/60183337-twsbi-eco-t-yellow-green-m-nib-fountain-pen)

## Best For

- twsbi enthusiasts

## Why This Product

- Trusted twsbi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **See Your Ink:** Transparent design reveals ink levels for worry-free writing.
- • **Lightweight Design:** Weighing only 20g, it's perfect for on-the-go professionals.
- • **Vibrant Aesthetics:** Eye-catching yellow-green color adds flair to your desk.
- • **Elevate Your Writing:** Experience the smooth glide of a medium steel nib.
- • **Ergonomic Excellence:** Triangular grip promotes perfect writing posture.

## Overview

The TWSBI Eco-T Yellow-Green M Nib Fountain Pen combines functionality with vibrant design. Featuring a piston ink filling system and a transparent body, this pen not only showcases your ink levels but also promotes proper writing posture with its ergonomic triangular grip. Weighing just 20 grams, it's the perfect companion for professionals who value both style and substance.

## Description

Twsbi Eco-T is a variation on one of the world’s best-selling pens. Economic and reliable, this is the first plunger fountain pen at a very affordable price and suitable for everyday use, even for newcomers to this type of writing implement. The big difference from the first "Eco” model is the triangular shape of the grip, which helps with and teaches the correct writing posture. Suitable for children, anyone starting to use a fountain pen, and anyone who likes more structure in the grip of the pen. Made from high-quality transparent resin, it has a yellow-green rounded triangular cap and end cap and features the traditional filling system (piston filler), which is completely removable for cleaning thanks to a wrench included in the pack. This filling system allows to you to fill the pen with any fountain pen ink, drawing it from the bottle like a syringe. The steel nib is available in the following sizes: EF (Extra Fine), F (Fine), M (Medium), B (Broad) Stub 1.1. The Eco-T is the model that will convince all those who have not yet had the opportunity to try out the quality and smoothness of Twsbi fountain pens. Technical specifications. Material: Transparent resin. Nib: Steel. Filling system: Plunger (piston-filler). Package includes: Case with wrench for maintenance. Dimensions: Closed: 138.8 mm. Diameter: from 9 mm up to a maximum of 12.8 mm. Weight: 21 g.

## Features

- Fountain pen with piston ink filling system.
- Steel nib, writing size M (Medium).
- Yellow-green cap and end cap with rounded triangular shape.
- Transparent body that shows the refill mechanism, and the colour and quantity of ink remaining.
- This Eco-T model is characterised by its triangular grip, which helps with and teaches the correct writing posture.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Twsbi |
| Brand | TWSBI |
| Model Number | TW100028 |
| Package Dimensions | 16.26 x 5.33 x 2.03 cm; 20 Grams |
| Colour | yellow |
| Grip Type | Triangular |
| Material Type | Alloy Steel, Resin |
| Point Type | Medium |
| Ink Colour | Yellow, Green |
| Manufacturer Part Number | TW100028 |
| Item Weight | 20 g |

## Images

![Twsbi Eco-T Yellow-Green M Nib Fountain Pen - Image 1](https://m.media-amazon.com/images/I/61GNf4kktgL.jpg)
![Twsbi Eco-T Yellow-Green M Nib Fountain Pen - Image 2](https://m.media-amazon.com/images/I/51kFkbuEjZL.jpg)
![Twsbi Eco-T Yellow-Green M Nib Fountain Pen - Image 3](https://m.media-amazon.com/images/I/51uRp0LtCmL.jpg)
![Twsbi Eco-T Yellow-Green M Nib Fountain Pen - Image 4](https://m.media-amazon.com/images/I/6144UBCgqaL.jpg)

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**Shop now:** [https://www.desertcart.fi/products/60183337-twsbi-eco-t-yellow-green-m-nib-fountain-pen](https://www.desertcart.fi/products/60183337-twsbi-eco-t-yellow-green-m-nib-fountain-pen)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-19*