---
product_id: 668023761
title: "Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors"
brand: "uni-ball"
price: "S$63"
currency: SGD
in_stock: true
reviews_count: 13
category: "Uni Ball"
url: https://www.desertcart.sg/products/668023761-uniball-zento-gel-ink-rollerball-pens-12-black-medium-point
store_origin: SG
region: Singapore
---

# vivid quick-dry gel ink 76% recycled barrel 0.7mm precision tip Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors

**Brand:** uni-ball
**Price:** S$63
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write smart, write smooth — elevate your everyday with Uniball Zento.

## Quick Answers

- **What is this?** Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors by uni-ball
- **How much does it cost?** S$63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/668023761-uniball-zento-gel-ink-rollerball-pens-12-black-medium-point)

## 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 barrels crafted from 76% recycled materials combine sustainability with modern style.
- • **Zen-Inspired Colors:** Curated calming hues evoke mindfulness, turning every writing session into a moment of tranquility and focus.
- • **Effortless Precision:** Medium 0.7mm tip delivers ultra-smooth, consistent lines for flawless note-taking and creative flow.
- • **Smudge-Free Confidence:** Quick-drying, water-resistant gel ink ensures your work stays crisp and clean—no more embarrassing smears.
- • **Pocket-Ready Practicality:** Spring-loaded clip secures your pen to notebooks or pockets, keeping your essential tool always within reach.

## Overview

Uniball Zento Gel Ink Rollerball Pens feature a 0.7mm medium tip with vivid, quick-drying gel ink that resists smudging. Designed with a sleek, ergonomic barrel made from 76% recycled materials, these pens combine sustainability with a smooth, comfortable grip. Their spring-loaded clip and calming Zen-inspired colors make them perfect for professionals seeking both style and performance in everyday writing.

## 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: Ideal - Hella satisfying to write with, ink flows well and I'm a big fan of the line thickness. Writes well when held both vertically and slanted, and doesn't smudge unless you literally wipe immediately after writing one letter. Love the design too; nice matte texture grip.
Review: Worth the price - Some of the best pens on the market. Feel amazing in your hand while writing and deliver a smooth writing experience. Comes in great colours as well. Perfect size in your hand. Worth the price

## 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 | B0D9CR9V9V |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 2,604 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 48 in Gel Ink Rollerball Pens |
| Body Shape | Round |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Retractable |
| Colour | Zen - Black Ink |
| Customer Reviews | 4.7 out of 5 stars 2,932 Reviews |
| Drill Point | Medium |
| Grip Type | Ribbed |
| Hardness | HB |
| Included Components | 12 Pens, Durable Precision Tip, Fraud Proof Ink, Liquid Gel |
| Ink Base | Water |
| Ink Colour | Black |
| Ink colour | Black |
| Is the Product Left or Right Handed? | Ambidextrous |
| Item Diameter | 0.7 Millimetres |
| Item Dimensions | 8 x 13 x 193 millimetres |
| Item Weight | 141 g |
| Line Size | 0.7mm |
| Manufacturer | Uni-ball |
| Material | Plastic Liquid Ink Gel |
| Material Type | Plastic Liquid Ink Gel |
| Model Name | Zento |
| Model Number | 70665 |
| Pattern | Business, Professional, School, Work |
| Recommended Uses For Product | Calligraphy, Carpentry, Marking Out, Sketching, Writing |
| Special Features | Ergonomic, Liquid Ink, Smudge Free, Soft Grip, Visible Ink Level |
| Style | 0.7mm Medium |
| Subject Character | Zen |
| Theme | Animal, Cartoon, Fantasy, Floral, Rainbow |
| UPC | 030246706657 |
| Unit Count | 12.0 count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Gel Pen |
| Writing Technique | Gel Ink |
| Writing instrument form | Gel Pen |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Zen - Black Ink
- **Ink colour:** Black
- **Material:** Plastic Liquid Ink Gel
- **Model name:** Zento
- **Point type:** Medium
- **Special feature:** Ergonomic, Liquid Ink, Smudge Free, Soft Grip, Visible Ink Level
- **Unit count:** 12.0 count
- **Writing instrument form:** Gel Pen

## Images

![Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors - Image 1](https://m.media-amazon.com/images/I/71Vm+10vABL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Ideal
*by C***N on 23 May 2026*

Hella satisfying to write with, ink flows well and I'm a big fan of the line thickness. Writes well when held both vertically and slanted, and doesn't smudge unless you literally wipe immediately after writing one letter. Love the design too; nice matte texture grip.

### ⭐⭐⭐⭐⭐ Worth the price
*by A***T on 10 April 2026*

Some of the best pens on the market. Feel amazing in your hand while writing and deliver a smooth writing experience. Comes in great colours as well. Perfect size in your hand. Worth the price

### ⭐⭐⭐⭐⭐ Smooth writing
*by P***H on 21 June 2026*

Great pens. I would buy them again. Very smooth when you write and the ink doesn’t smudge.

## Frequently Bought Together

- Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors
- uniball Zento Liquid Gel Ink Retractable Pens, Medium Point (0.7mm), Boho Barrels, Black Ink, Dozen
- uniball Zento Liquid Gel Ink Retractable Pens, Medium Point (0.7mm), Muted Barrels, Black Ink, Dozen

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-20*