---
product_id: 725681793
title: "Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home"
brand: "classmate"
price: "₩36523"
currency: KRW
in_stock: true
reviews_count: 5
category: "Classmate"
url: https://www.desertcart.kr/products/725681793-classsmate-octane-blue-gel-pens-pack-of-10-smooth-writing
store_origin: KR
region: South Korea
---

# Japanese waterproof ink Smooth 0.3mm fine line Ergonomic comfortable grip Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home

**Brand:** classmate
**Price:** ₩36523
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write your success story with every stroke!

## Quick Answers

- **What is this?** Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home by classmate
- **How much does it cost?** ₩36523 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/725681793-classsmate-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

- • **Study Essential:** Trusted by students nationwide for exam success and everyday note-taking.
- • **Flawless Ink Flow:** Experience ultra-smooth, smudge-free writing powered by premium Japanese waterproof ink.
- • **Comfort Meets Style:** Ergonomic grip with a sleek 3D sculpted design keeps you writing longer without fatigue.
- • **Ambidextrous Friendly:** Designed for both left and right-handed users to write effortlessly.
- • **Precision at Your Fingertips:** Fine 0.3mm tip delivers crisp, clean lines perfect for detailed notes and exams.

## Overview

The Classmate Octane Blue Gel Pen pack of 10 features Japanese waterproof ink for smudge-free, smooth writing. With a fine 0.3mm tip and ergonomic grip, it’s designed for comfortable, precise writing sessions. Its stylish 3D design and ambidextrous usability make it a top choice for students and professionals alike.

## Description

The Classsmate Octane Gel Pen uses Japanese waterproof ink for a smooth, smudge-free writing. It also comes with a comfortable grip and stylish 3D design.

Review: Nice product
Review: This is nice. Price worthy.

## Features

- The Classsmate Octane Gel Pen uses Japanese waterproof ink for a smooth, smudge-free writing. It also comes with a comfortable grip and stylish 3D design
- Japanese waterproof ink
- Comfortable grip
- Stylish sculpted design

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099NRW5Q8 |
| Additional Features | Waterproof |
| Age Range (Description) | Teen |
| Age Range Description | Teen |
| Amazon Bestseller | #258,993 in Office Products ( See Top 100 in Office Products ) #3,309 in Gel Ink Pens |
| Body Shape | Round |
| Brand | Classmate |
| Brand Name | Classmate |
| Closure Type | Click-Off Cap |
| Color | black |
| Customer Reviews | 4.3 out of 5 stars 1,282 Your Review |
| Drill Point | Fine |
| Grip Type | Ergonomic Design |
| Hand Orientation | Ambidextrous |
| Included Components | Ink Cartridge |
| Ink Base | Water |
| Ink Color | Blue |
| Item Dimensions | 15 x 10 x 140 mm |
| Item Type Name | Pen |
| Item Weight | 9 Grams |
| Line Size | 0.3mm |
| Manufacturer | ITC |
| Material | Click-off cap |
| Material Type | Click-off cap |
| Model Name | Classmate Octane |
| Model Number | 04030168 |
| Recommended Uses For Product | Writing |
| Style | Japanese |
| Subject Character | Blue |
| Theme | Fantasy |
| Writing Instrument Form | Roller Ball Pen |

## Product Details

- **Brand:** Classmate
- **Color:** black
- **Ink Color:** Blue
- **Age Range (Description):** Teen
- **Material:** Click-off cap

## Images

![Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home - Image 1](https://m.media-amazon.com/images/I/81ktKdOb1MS.jpg)
![Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home - Image 2](https://m.media-amazon.com/images/I/81vgAPu7qUS.jpg)
![Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home - Image 3](https://m.media-amazon.com/images/I/71iiVsr7n+S.jpg)
![Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home - Image 4](https://m.media-amazon.com/images/I/81oIT5zObxS.jpg)
![Classsmate Octane - Blue Gel Pens (Pack of 10) | Smooth Writing Pens | Waterproof Ink, Smudge Free Writing | Students Favor for Exam & Class Notebooks | Essential for Study at Home - Image 5](https://m.media-amazon.com/images/I/91TWg8tAI7S.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice product
*by V***S on November 18, 2025*



### ⭐⭐⭐⭐ This is nice. Price worthy.
*by K***K on January 1, 2026*



### ⭐⭐⭐⭐⭐ Good quality pens
*by N***P on December 2, 2025*



## 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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**Shop now:** [https://www.desertcart.kr/products/725681793-classsmate-octane-blue-gel-pens-pack-of-10-smooth-writing](https://www.desertcart.kr/products/725681793-classsmate-octane-blue-gel-pens-pack-of-10-smooth-writing)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-27*