---
product_id: 679792092
title: "Zento Gel Ink Rollerball Pens, 4 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Muted Colors"
brand: "uni-ball"
price: "฿816"
currency: THB
in_stock: true
reviews_count: 13
category: "Uni Ball"
url: https://www.desertcart.co.th/products/679792092-zento-gel-ink-rollerball-pens-4-black-medium-point-smooth
store_origin: TH
region: Thailand
---

# muted, trendy barrel colors for mindful style 76% recycled barrel material 0.7mm medium tip for bold, precise lines Zento Gel Ink Rollerball Pens, 4 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Muted Colors

**Brand:** uni-ball
**Price:** ฿816
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Boldly, Live Mindfully – The Pen That Means Business

## Quick Answers

- **What is this?** Zento Gel Ink Rollerball Pens, 4 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Muted Colors by uni-ball
- **How much does it cost?** ฿816 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/679792092-zento-gel-ink-rollerball-pens-4-black-medium-point-smooth)

## Best For

- uni-ball enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Chic Design:** Sleek, minimalist barrel crafted from 76% recycled materials
- • **Vivid Ink Impact:** Quick-drying, rich black ink that commands attention on every page
- • **Mindful Aesthetic:** Curated muted colors that blend professionalism with calm sophistication
- • **Effortless Precision:** Ultra-smooth gel ink glides with zero skips or smears
- • **Comfort Meets Function:** Soft grip and spring-loaded clip for all-day ease and portability

## Overview

The uni-ball Zento Gel Ink Rollerball Pen delivers a premium writing experience with its 0.7mm medium tip and ultra-smooth, quick-drying gel ink that resists smearing. Designed with a sleek, eco-friendly barrel made from 76% recycled materials, it combines sustainability with style through its muted, trendy colors. Featuring a soft grip and spring-loaded clip, this pen ensures comfort and convenience for professionals who demand reliability and elegance in every stroke.

## Description

Step into a world of timeless elegance and unparalleled craftsmanship with Uniball, a brand that has woven its legacy into the fabric of fine writing instruments. With a heritage rooted in innovation and a commitment to excellence, Uniball has consistently delivered a writing experience that stands the test of time. Immerse yourself in the art of writing with Uniball's meticulously crafted pens, proudly made in Japan. Our legacy of precision and quality is evident in every stroke, ensuring that your thoughts flow seamlessly onto paper with each movement of the pen. From Gel Pens to Rollerball Pens, Ballpoint Pens to Fineliner Pens, and Mechanical Pencils, Uniball offers a comprehensive range that caters to every writing style and preference. Dive into a world of versatility with Uniball's diverse range of tip sizes, spanning from the ultra-micro 0.38 for intricate detailing, to the bold 1.0 for striking emphasis. Whether you're sketching, journaling, note-taking, or bringing ideas to life, Uniball empowers you to effortlessly transition between strokes, giving your writing a unique dimension that captivates the eye and stirs the soul. As you hold a Uniball pen in your hand, you're not just embracing a writing instrument – you're embracing a legacy of craftsmanship, innovation, and the pursuit of perfection. Each pen is a testament to our dedication to providing you with an unmatched writing experience, where every word is an ode to the art of communication. Start your story with Uniball, where heritage meets modernity, and each stroke is an invitation to immerse yourself in a world of boundless expression. Join a community of discerning individuals who appreciate the value of quality, heritage, and the power of the written word. Experience the magic of Uniball for yourself and discover the joy of writing that transcends time and leaves an indelible mark on every page.

Review: The Smoothest Writing Experience – A Workplace Essential - I’ve gone through countless pens looking for the right one, and the uniball Zento is hands down my favorite. 1. Incredible Smoothness: The liquid gel ink flows perfectly. There’s absolutely no skipping or scratching on the paper; it just glides. The 0.7mm medium point lays down a bold, clear line that looks professional. 2. Comfortable for Long Sessions: The ergonomic grip is excellent. It has just the right amount of cushion, so my hand doesn't cramp up even after hours of grading or note-taking. 3. Long-Lasting: These pens seem to last forever. I use them daily, and the ink supply holds up surprisingly well compared to other gel pens that run dry in a week. If you want a reliable, high-quality pen that makes writing feel effortless, pick these up.
Review: Marvelous pen, marvelous ink. Best i've tried. - The best pens for free flowing fast writing, either lettering or cursive. The 0.7 mm is preferable for cursive, rather than smaller tips. The rubberized grip is a great improvement over the Uniball One, which is all plastic, which may be great only for lettering, or precise writing or annotations. The zento ink is marvelous. The black is rich, dark, and also looks great. I will explore the blue ink as well. Coming from a Pentel EnergelX with needle tip, which i don't mind for cursive, this is far more confidence inspiring, in small part due to the 0.7 mm (*i had the 0.5 mm with pentel) but also the phenomenal ink, the precise nature of the flow of the roller-ball, and smooth feedback which is consistent from the page.

## Features

- Retractable 0.7mm medium pens create ultra-smooth writing experience with every stroke.
- Quick-dying, extremely vivid liquid gel ink provides smooth writing flow that prevents smearing.
- Sleek minimalist barrel has a seamless soft grip and is made of 76% recycled material.
- Functional spring-loaded clip easily attaches to pockets and notebooks.
- Thoughtfully curated and on-trend barrel colors evoke a sense of tranquility and mindfulness.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DLX3SYLP |
| Additional Features | Eco Friendly |
| Age Range Description | Kid |
| Best Sellers Rank | #363 in Office Products ( See Top 100 in Office Products ) #2 in Liquid Ink Rollerball Pens |
| Body Shape | Round |
| Brand Name | Uni-Ball |
| Closure Type | Retractable |
| Color | Muted |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,638) |
| Drill Point | Medium |
| Grip Type | Soft |
| Hand Orientation | Ambidextrous |
| Hardness | HB |
| Ink Base | Water |
| Ink Color | Black |
| Item Diameter | 0.7 Millimeters |
| Item Dimensions | 7.6 x 3.75 x 0.75 inches |
| Item Weight | 0.05 Kilograms |
| Line Size | 0.7mm |
| Manufacturer | Uniball |
| Material Type | Recycled Plastic |
| Model Name | 70662 |
| Model Number | 70662 |
| Recommended Uses For Product | Writing |
| Style | Modern |
| UPC | 030246706626 |
| Unit Count | 4.0 Count |
| Water Resistance Level | Not Water Resistant |
| Writing Instrument Form | Roller Ball Pen |

## Product Details

- **Age Range (Description):** Kid
- **Brand:** Uni-Ball
- **Color:** Muted
- **Ink Color:** Black
- **Writing Instrument Form:** Roller Ball Pen

## Images

![Zento Gel Ink Rollerball Pens, 4 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Muted Colors - Image 1](https://m.media-amazon.com/images/I/71eajiDL7GL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The Smoothest Writing Experience – A Workplace Essential
*by V***A on January 29, 2026*

I’ve gone through countless pens looking for the right one, and the uniball Zento is hands down my favorite. 1. Incredible Smoothness: The liquid gel ink flows perfectly. There’s absolutely no skipping or scratching on the paper; it just glides. The 0.7mm medium point lays down a bold, clear line that looks professional. 2. Comfortable for Long Sessions: The ergonomic grip is excellent. It has just the right amount of cushion, so my hand doesn't cramp up even after hours of grading or note-taking. 3. Long-Lasting: These pens seem to last forever. I use them daily, and the ink supply holds up surprisingly well compared to other gel pens that run dry in a week. If you want a reliable, high-quality pen that makes writing feel effortless, pick these up.

### ⭐⭐⭐⭐⭐ Marvelous pen, marvelous ink. Best i've tried.
*by J***H on March 16, 2026*

The best pens for free flowing fast writing, either lettering or cursive. The 0.7 mm is preferable for cursive, rather than smaller tips. The rubberized grip is a great improvement over the Uniball One, which is all plastic, which may be great only for lettering, or precise writing or annotations. The zento ink is marvelous. The black is rich, dark, and also looks great. I will explore the blue ink as well. Coming from a Pentel EnergelX with needle tip, which i don't mind for cursive, this is far more confidence inspiring, in small part due to the 0.7 mm (*i had the 0.5 mm with pentel) but also the phenomenal ink, the precise nature of the flow of the roller-ball, and smooth feedback which is consistent from the page.

### ⭐⭐⭐⭐⭐ The Perfect Glide: Uniball Zento Black Medium Point Gel Pens
*by T***R on October 1, 2025*

LDR: Super-smooth, quick-drying black gel ink in an aesthetically pleasing, comfortable, and environmentally conscious barrel. A top-tier choice for effortless, smudge-free writing. I recently purchased the 12-pack of Uniball Zento Gel Ink Rollerball Pens because I was in the market for a reliable, super-smooth pen for long-form note-taking and journaling. My initial impression was excellent: the sleek, minimalist design is immediately appealing, and the moment I put the pen to paper, the writing experience was noticeably superior. The "medium point" (0.7mm) combined with the new liquid gel ink formula promised an effortless glide, and it absolutely delivered. In real-world use, the Zento pens truly shine. They perform consistently without skipping, delivering a dark, uniform black line that makes handwriting look crisp and clean. The biggest standout feature is the ink's quick-drying property. As someone who writes fairly quickly, smearing is a constant issue with gel pens, but the Zento ink dries so fast that it's virtually smudge-resistant, which is a massive win. The seamless soft grip is comfortable and helps prevent hand fatigue during extended writing sessions. The barrel itself, made from 76% recycled material, adds an unexpected layer of satisfaction to the purchase. The only minor point of consideration is that the black ink, while dark and vivid, is sometimes described as slightly lighter than the deepest black of some other Uniball lines, but this is a very fine distinction. Pros Super-Smooth Writing: The liquid gel ink provides an effortless, non-scratchy writing experience. Quick-Drying Ink: Significantly reduces smudging and is excellent for fast writers and left-handers. Comfortable Grip/Design: The minimalist barrel with a seamless soft grip is comfortable for long-term use. Eco-Friendly Barrel: Made from 76% recycled plastic, aligning with environmental consciousness. Strong, Functional Clip: The spring-loaded wire clip is durable and easily attaches to notebooks or pockets. Cons Ink Blackness: Some users find the black ink, while very good, is not the absolute deepest shade of black compared to some other premium gel pens. Refill Availability/Compatibility: While the pen body is refillable (often taking other Uniball refills), the specific Zento refill may not be as universally available as others. Verdict The Uniball Zento Gel Ink Rollerball Pen is an absolute winner and easily warrants a 5-star rating. It is best for anyone who values a remarkably smooth, quick-drying, and consistent writing experience for everyday use, professional work, or intensive note-taking. If you've been looking for a reliable, smudge-free pen that is both aesthetically pleasing and comfortable to hold, the Zento is well worth the price.

## Frequently Bought Together

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-24*