---
product_id: 631345936
title: "Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials"
brand: "classmate"
price: "¥8388"
currency: JPY
in_stock: true
reviews_count: 5
category: "Classmate"
url: https://www.desertcart.jp/products/631345936-classmate-octane-blue-gel-pens-pack-of-10-smooth-writing
store_origin: JP
region: Japan
---

# Japanese waterproof ink ergonomic comfortable grip 0.3mm precision tip Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials

**Brand:** classmate
**Price:** ¥8388
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write sharp, write smart—never miss a stroke!

## Quick Answers

- **What is this?** Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials by classmate
- **How much does it cost?** ¥8388 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/631345936-classmate-octane-blue-gel-pens-pack-of-10-smooth-writing)

## Best For

- classmate enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Stylish:** Modern sculpted design that stands out in any professional or academic setting.
- • **Trusted by Students:** Preferred choice for exams and note-taking—join thousands who write smarter.
- • **Designed for Comfort:** Ergonomic grip reduces hand fatigue during marathon study sessions.
- • **Smudge-Free Confidence:** Japanese waterproof ink ensures your notes stay flawless and vibrant.
- • **Precision Meets Performance:** Ultra-fine 0.3mm ball tip for crisp, clear writing every time.

## Overview

Classmate Octane Blue Gel Pens come in a pack of 10, featuring a precise 0.3mm ball tip and Japanese waterproof ink for smooth, smudge-free writing. Designed with an ergonomic grip and a stylish sculpted body, these pens are the go-to choice for students and professionals seeking reliability and comfort in every stroke.

## Description

Classmate Octane Gel pens have Japanese waterproof ink for smooth and smudge-free writing. Also comes with a comfortable grip and a stylish sculpted design.

Review: Nice and smooth
Review: Good

## Features

- Classmate Octane Gel pens have Japanese waterproof ink for smooth and smudge-free writing. Also comes with a comfortable grip and a stylish sculpted design.
- Japanese waterproof ink
- Comfortable grip
- Stylish sculpted design

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099NRW5Q8 |
| Best Sellers Rank | #218,242 in Office Products ( See Top 100 in Office Products ) #3,512 in Gel Ink Pens |
| Brand | Classmate |
| Closure | Snap |
| Color | Black |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,278) |
| Date First Available | November 24, 2022 |
| Grip Type | ergonomic |
| Ink Color | Blue |
| Item Weight | 0.317 ounces |
| Item model number | 04030168 |
| Line Size | 0_3mm |
| Manufacturer | ITC |
| Manufacturer Part Number | 04030168 |
| Material Type | Plastic |
| Number of Items | 1 |
| Point Type | Ball Tip |
| Product Dimensions | 0.59 x 0.39 x 5.51 inches |
| Size | 10 Count (Pack of 1) |

## Product Details

- **Age Range (Description):** Kid, Teen, Young Adult
- **Brand:** Classmate
- **Color:** Black
- **Ink Color:** Blue
- **Writing Instrument Form:** Roller Ball Pen

## Images

![Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials - Image 1](https://m.media-amazon.com/images/I/81ktKdOb1MS.jpg)
![Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials - Image 2](https://m.media-amazon.com/images/I/81vgAPu7qUS.jpg)
![Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials - Image 3](https://m.media-amazon.com/images/I/71iiVsr7n+S.jpg)
![Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials - Image 4](https://m.media-amazon.com/images/I/81oIT5zObxS.jpg)
![Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials - Image 5](https://m.media-amazon.com/images/I/91TWg8tAI7S.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by V***S on November 18, 2025*

Nice and smooth

### ⭐⭐⭐⭐ Review
*by K***K on January 1, 2026*

Good

### ⭐⭐⭐⭐⭐ Review
*by N***P on December 2, 2025*

Brand is good

## Frequently Bought Together

- Classmate Octane- Blue Gel Pens (Pack of 10)|Smooth Writing Pens|Water-proof ink for smudge-free writing|Preferred by Students for Exam & Class notes|Study at home essentials
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- FLAIR Move Gel Pen | Minimalistic & Aesthetic Matt Finish Pastel Body Colors | Effortless Writing With Sleek Clip Design | Blue Ink, Set Of 10

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**Shop now:** [https://www.desertcart.jp/products/631345936-classmate-octane-blue-gel-pens-pack-of-10-smooth-writing](https://www.desertcart.jp/products/631345936-classmate-octane-blue-gel-pens-pack-of-10-smooth-writing)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*