---
product_id: 228213601
title: "uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens"
brand: "uni-ball"
price: "$U2446"
currency: UYU
in_stock: true
reviews_count: 13
category: "Uni Ball"
url: https://www.desertcart.uy/products/228213601-uni-ball-ub-188-m-micro-air-rollerball-pens-premium
store_origin: UY
region: Uruguay
---

# frictionless metal ball fade & water resistant ink 0.5mm precision nib uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens

**Brand:** uni-ball
**Price:** $U2446
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write like a pro, every line tells your story.

## Quick Answers

- **What is this?** uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens by uni-ball
- **How much does it cost?** $U2446 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/228213601-uni-ball-ub-188-m-micro-air-rollerball-pens-premium)

## 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

- • **Bulk Ready:** Box of 12 pens ensures you’re always stocked for meetings, journaling, or creative bursts.
- • **Ink That Lasts:** Uni Super Ink bonds to paper fibers for fade, water, and chemical resistance—your notes stay flawless.
- • **Sleek & Secure:** Ergonomic grip with a capped top that locks ink in and prevents pocket leaks.
- • **Effortless Flow:** Unique frictionless metal ball glides smoothly even at angled strokes—no leaks, no skips.
- • **Precision Perfected:** Experience ultra-smooth 0.5mm lines ideal for technical writing and fine details.

## Overview

The uni-ball UB-188-M Micro Air Rollerball Pen combines the elegance of fountain pen writing with the reliability of a rollerball. Featuring a 0.5mm micro nib and Uni Super Ink, it delivers smooth, fade- and water-resistant lines that resist chemical tampering. Designed with a frictionless metal ball and ergonomic grip, this pack of 12 blue pens is perfect for professionals who demand precision and durability in every stroke.

## Description

Great prices on your favourite Office brands plus free delivery and returns on eligible orders.

Review: Good for junk journals etc - Intense colour and good flow on lots of different textured surfaces. Recommended to me by a fellow crafter and I'm very happy with them.
Review: Uniball micro air blue ball pens - Great for daily use and calligraphy

## Features

- Freedom of a fountain pen with the security of a roller-ball with no leaks, the Air’s unique metal ball can move without friction when the pen is held at an angle
- Filled with Uni-Ball Super Ink, an advanced ink formula that bonds to paper fibers, fade resistant, water resistant, and acid free, resistant to chemicals that wash dye-based ink from checks
- Light pressure will give a finer line as ink is transferred by the ball itself, firmer pressure allows the ink to flow freely around the ball for a thicker line
- Will give you a finer line width between 0.25mm - 0.45mm, perfect for technical writing or small printing, blue ink pens in a box of 12
- Sleek, elegant look and feel that is comfortable and easy to grip, capped top stays put and ensures that this pen will never leak in your pocket

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B016BHQ2NO |
| Best Sellers Rank | 11,691 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 245 in Gel Ink Rollerball Pens |
| Brand | uni-ball |
| Closure | Click-Off Cap |
| Colour | blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,290) |
| Date First Available | 2 Jan. 2016 |
| Grip Type | Grip zone |
| Ink Colour | Blue |
| Item Weight | 1.1 g |
| Line Size | 0.3mm |
| Manufacturer | Mitsubishi Pencil Company |
| Manufacturer Part Number | 190488000 |
| Material Type | Metal plastic |
| Model Number | 190488000 |
| Number of Items | 1 |
| Pencil Lead Degree (Hardness) | H |
| Point Type | Micro |
| Product Dimensions | 2.8 x 8.1 x 14.6 cm; 1.1 g |
| Size | 12 count (Pack of 1) |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** blue
- **Ink colour:** Blue
- **Material:** Metal plastic
- **Model name:** UBA-188-M
- **Point type:** Micro
- **Special feature:** Waterproof
- **Unit count:** 12.0 count
- **Writing instrument form:** Roller Ball Pen

## Images

![uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens - Image 1](https://m.media-amazon.com/images/I/61dmXLDoYHL.jpg)
![uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens - Image 2](https://m.media-amazon.com/images/I/61huAthR91L.jpg)
![uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens - Image 3](https://m.media-amazon.com/images/I/71qO+gJpIeL.jpg)
![uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens - Image 4](https://m.media-amazon.com/images/I/81NfLm9OTWL.jpg)
![uni-ball UB-188-M Micro Air Rollerball Pens. Premium 0.5mm Nib for Super Smooth Handwriting. Writes Like a Fountain Pen. Fade and Water Resistant Liquid Uni Super Ink. Box of 12 Blue Ballpoint Pens - Image 5](https://m.media-amazon.com/images/I/81SzPdJtx6L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good for junk journals etc
*by J***S on 26 December 2025*

Intense colour and good flow on lots of different textured surfaces. Recommended to me by a fellow crafter and I'm very happy with them.

### ⭐⭐⭐⭐⭐ Uniball micro air blue ball pens
*by A***U on 27 July 2025*

Great for daily use and calligraphy

### ⭐⭐⭐⭐⭐ Smooth to write with
*by M***V on 22 May 2025*

Really nice pens, they write very well

## Frequently Bought Together

- Uni-Ball UB-188-Micro Fountain Pen Tip 0.5mm Air Rollerball Pens, Blue Gel, 12 Pack
- Uni-Ball UB-188-Micro Fountain Pen Tip Air Rollerball Pens, Black Gel, 12 Pack

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-24*