---
product_id: 447894108
title: "ECO Fountain Pen White M Nib"
brand: "twsbi"
price: "$4605"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/447894108-eco-fountain-pen-white-m-nib
store_origin: MX
region: Mexico
---

# Clear Demonstrator Perfect Seal Piston Filler ECO Fountain Pen White M Nib

**Brand:** twsbi
**Price:** $4605
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Your Legacy with Style!

## Quick Answers

- **What is this?** ECO Fountain Pen White M Nib by twsbi
- **How much does it cost?** $4605 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/447894108-eco-fountain-pen-white-m-nib)

## 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

- • **Elevate Your Writing:** Experience the smooth glide of a piston filler mechanism.
- • **Customizable Nib Sizes:** Choose from EF, F, M, B, or stub1.1 for your perfect stroke.
- • **Lightweight & Portable:** Weighs only 20g, perfect for on-the-go professionals.
- • **Impressive Visual Appeal:** Clear demonstrator body showcases your ink level.
- • **Stylish & Functional Design:** Contoured grip for comfort during long writing sessions.

## Overview

The TWSBIECO Fountain Pen features a piston filler mechanism, a contoured grip for comfort, and a stylish clear demonstrator design. Available in multiple nib sizes, this lightweight pen ensures a perfect seal when capped, making it an ideal choice for professionals who value both functionality and aesthetics.

## Description

ECO Fountain Pen White M Nib

## Features

- Piston Filler Fountain Pen
- Pen cap is able to post onto the back of the pen
- Comes in EF, F, M, B, or stub1.1 nib size choices.
- Inner cap to insure a perfect seal when pen is capped
- White, Clear demonstrator

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TWSBI |
| Brand | TWSBI |
| Model number | TW100008 |
| Package Dimensions | 16.2 x 5.2 x 2.4 cm; 20 g |
| Color | White, Clear |
| Closure | Twist |
| Grip Type | Contoured |
| Material Type | Plastic |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | Medium |
| Line Size | 1_0_1_9mm |
| Ink Color | White |
| Manufacturer Part Number | TW100008 |
| Item Weight | 20 g |

## Product Details

- **Brand:** TWSBI
- **Writing instrument form:** Fountain Pen
- **Colour:** White, Clear
- **Ink colour:** White
- **Age range (description):** Adult

## Images

![ECO Fountain Pen White M Nib - Image 1](https://m.media-amazon.com/images/I/41xqxwIvEuL.jpg)

## Frequently Bought Together

- TWSBI ECO Fountain Pen White M Nib
- Waterman Fountain Pen Ink, Intense Black, 50ml Bottle, For Refillable Fountain Pens
- Lamy Z28 Converter for fountain pen models Abc, AL-star, joy, Lx, nexx, nexx M, safari, vista

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**Shop now:** [https://www.desertcart.mx/products/447894108-eco-fountain-pen-white-m-nib](https://www.desertcart.mx/products/447894108-eco-fountain-pen-white-m-nib)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-29*