Find Your Perfect Campus Notebook

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Binder Notebook ＋Loose Leaf

A flexible binder system that lets you freely add, remove, and organize pages. Combine it with loose-leaf paper to create your own personalized setup. You can also store other materials together, making it the perfect binder system for keeping everything in one place.

Campus Smartring Slim Binder B5 <60 Sheets> Light Blue,LightBlue, medium Campus Smartring Slim Binder B5 <60 Sheets> Light Blue,LightBlue, medium New
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Campus Smartring Slim Binder B5 <60 Sheets> Light Blue
Rp255,150.00
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Campus Smartring Slim Binder B5 <60 Sheets> Light Pink,LightPink, medium Campus Smartring Slim Binder B5 <60 Sheets> Light Pink,LightPink, medium New
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Campus Smartring Slim Binder B5 <60 Sheets> Light Pink
Rp255,150.00
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Campus Loose Leaf <Smooth> B5 5mm Grid Rule 50 Sheets,, medium New
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Campus Loose Leaf <Smooth> B5 5mm Grid Rule 50 Sheets
Rp74,000.00
Campus Loose Leaf <Smooth> B5 6mm Dotted Rule 100 Sheets,, medium New
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Campus Loose Leaf <Smooth> B5 6mm Dotted Rule 100 Sheets
Rp99,500.00
Campus 2-ring Slim Binder Notebook A4 Blue,Blue, medium Campus 2-ring Slim Binder Notebook A4 Blue,Blue, medium New
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Campus 2-ring Slim Binder Notebook A4 Blue
Rp232,200.00
Campus 2-ring Slim Binder Notebook A4 Pink,Pink, medium Campus 2-ring Slim Binder Notebook A4 Pink,Pink, medium New
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Out of Stock
Campus 2-ring Slim Binder Notebook A4 Pink
Rp232,200.00
Campus 2x2 Ring Binder Notebook B5 Light Blue,LightBlue, medium Campus 2x2 Ring Binder Notebook B5 Light Blue,LightBlue, medium New
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Campus 2x2 Ring Binder Notebook B5 Light Blue
Rp178,600.00
Campus 2x2 Ring Binder Notebook B5 Pink,Pink, medium Campus 2x2 Ring Binder Notebook B5 Pink,Pink, medium New
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Campus 2x2 Ring Binder Notebook B5 Pink
Rp178,600.00
Campus Loose Leaf<Firm writing> B5 6mm Dotted Rule 100 Sheets,, medium Campus Loose Leaf<Firm writing> B5 6mm Dotted Rule 100 Sheets,, medium New
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Campus Loose Leaf<Firm writing> B5 6mm Dotted Rule 100 Sheets
Rp99,500.00
Campus Loose Leaf <Clean Erasing> B5 6mm Dotted Rule 100 Sheets,, medium Campus Loose Leaf <Clean Erasing> B5 6mm Dotted Rule 100 Sheets,, medium New
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Campus Loose Leaf <Clean Erasing> B5 6mm Dotted Rule 100 Sheets
Rp107,150.00
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Study Planner

A planner designed to help you study efficiently—with space for scheduling, goal setting, and daily tracking. Even on busy days, you can visualize your study time and stay motivated by seeing your progress.

Campus Study Planner Weekly Visualized Loose leaf B5 Pink,Pink, medium Campus Study Planner Weekly Visualized Loose leaf B5 Pink,Pink, medium New
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Campus Study Planner Weekly Visualized Loose leaf B5 Pink
Rp102,050.00
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Campus Study Planner Daily Visualized Loose leaf B5 Pink,Pink, medium Campus Study Planner Daily Visualized Loose leaf B5 Pink,Pink, medium New
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Campus Study Planner Daily Visualized Loose leaf B5 Pink
Rp102,050.00
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Campus Study Planner Weekly Visualized A5 Blue,Blue, medium Campus Study Planner Weekly Visualized A5 Blue,Blue, medium New
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Campus Study Planner Weekly Visualized A5 Blue
Rp86,750.00
Campus Study Planner Weekly Visualized A5 Pink,Pink, medium Campus Study Planner Weekly Visualized A5 Pink,Pink, medium New
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Campus Study Planner Weekly Visualized A5 Pink
Rp86,750.00
Campus Study Planner 2 Week Visualized A5 Navy,Navy, medium Campus Study Planner 2 Week Visualized A5 Navy,Navy, medium New
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Campus Study Planner 2 Week Visualized A5 Navy
Rp86,750.00
Campus Study Planner 2 Week Visualized A5 Purple,Purple, medium Campus Study Planner 2 Week Visualized A5 Purple,Purple, medium New
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Campus Study Planner 2 Week Visualized A5 Purple
Rp86,750.00
Campus Study Planner Daily Visualized A5 Pink,LightPink, medium Campus Study Planner Daily Visualized A5 Pink,LightPink, medium New
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Campus Study Planner Daily Visualized A5 Pink
Rp86,750.00
Campus Study Planner Daily Visualized A5 Green,MintGreen, medium Campus Study Planner Daily Visualized A5 Green,MintGreen, medium New
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Out of Stock
Campus Study Planner Daily Visualized A5 Green
Rp86,750.00
Campus Study Planner Monthly and Weekly A5 80 Sheets Purple,Purple, medium Campus Study Planner Monthly and Weekly A5 80 Sheets Purple,Purple, medium New
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Campus Study Planner Monthly and Weekly A5 80 Sheets Purple
Rp410,850.00
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Soft Ring

A soft ring notebook that feels comfortable in your hand. KOKUYO’s unique soft resin rings won’t hurt your hand and make page-turning smooth and easy. Enjoy a stress-free writing experience that makes every moment of writing more enjoyable.

Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Pink,Pink, medium Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Pink,Pink, medium New
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Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Pink
Rp89,300.00
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Blue,Blue, medium Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Blue,Blue, medium New
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Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Blue
Rp89,300.00
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Yellow,Yellow, medium Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Yellow,Yellow, medium New
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Out of Stock
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Yellow
Rp89,300.00
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Purple,Purple, medium Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Purple,Purple, medium New
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Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Purple
Rp89,300.00
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Green,Green, medium Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Green,Green, medium New
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Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Green
Rp89,300.00
Soft Ring Notebook <Business> A5 5mm Grid Rule 70 Sheets,Black, medium Soft Ring Notebook <Business> A5 5mm Grid Rule 70 Sheets,Black, medium New
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Soft Ring Notebook <Business> A5 5mm Grid Rule 70 Sheets
Rp201,600.00
Soft Ring Notebook <Business> B5 5mm Grid Rule 70 Sheets,Black, medium Soft Ring Notebook <Business> B5 5mm Grid Rule 70 Sheets,Black, medium New
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Soft Ring Notebook <Business> B5 5mm Grid Rule 70 Sheets
Rp216,900.00
Soft Ring Notebook Clear A5 80 Sheets 5mm Dotted Rule,White, medium Soft Ring Notebook Clear A5 80 Sheets 5mm Dotted Rule,White, medium New
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Soft Ring Notebook Clear A5 80 Sheets 5mm Dotted Rule
Rp186,250.00
Soft Ring Notebook Clear B5 80 Sheets 5mm Dotted Rule,White, medium Soft Ring Notebook Clear B5 80 Sheets 5mm Dotted Rule,White, medium New
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Soft Ring Notebook Clear B5 80 Sheets 5mm Dotted Rule
Rp206,700.00
Soft Ring Notebook Clear A7 80 Sheets 5mm Dotted Rule,White, medium Soft Ring Notebook Clear A7 80 Sheets 5mm Dotted Rule,White, medium New
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Soft Ring Notebook Clear A7 80 Sheets 5mm Dotted Rule
Rp104,600.00
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Classic

A simple, easy-to-use classic notebook with clean design and durable, smooth paper—perfect for everyday use. With no unnecessary features, it helps you focus on your thoughts. A reliable go-to when you’re not sure what to choose, and a great first notebook to start with.

Campus Notebook B5 6mm Rule 100 Sheets,Blue, medium New
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Campus Notebook B5 6mm Rule 100 Sheets
Rp155,650.00
Campus Notebook B5 7mm Rule 100 Sheets,Red, medium New
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Out of Stock
Campus Notebook B5 7mm Rule 100 Sheets
Rp155,650.00
Campus Notebook A4 5mm Grid Rule 40 Sheets Black,, medium New
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Campus Notebook A4 5mm Grid Rule 40 Sheets Black
Rp132,700.00
Campus Notebook B5 5mm Grid Rule 80 Sheets Black,Black, medium Campus Notebook B5 5mm Grid Rule 80 Sheets Black,Black, medium New
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Campus Notebook B5 5mm Grid Rule 80 Sheets Black
Rp142,900.00
Campus Notebook 5mm Grid Rule 80 Sheets A5,Black, medium Campus Notebook 5mm Grid Rule 80 Sheets A5,Black, medium New
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Campus Notebook 5mm Grid Rule 80 Sheets A5
Rp104,600.00
Campus Notebook A4 6mm Rule 50 Sheets,Blue, medium New
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Campus Notebook A4 6mm Rule 50 Sheets
Rp142,900.00
Campus Notebook A4 7mm Rule 50 Sheets,Red, medium New
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Campus Notebook A4 7mm Rule 50 Sheets
Rp142,900.00
Campus Notebook B5 7mm Rule 30 Sheets Pack of 5 Colors,clear, medium New
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Campus Notebook B5 7mm Rule 30 Sheets Pack of 5 Colors
Rp267,950.00
Campus Notebook A4 7mm Dotted Rule 30 Sheets Pack of 3 Colors,Mixed, medium New
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Campus Notebook A4 7mm Dotted Rule 30 Sheets Pack of 3 Colors
Rp275,600.00
Campus Notebook B5 Flat type 6mm Rule with Dot Set of 3,5 colors, medium Campus Notebook B5 Flat type 6mm Rule with Dot Set of 3,5 colors, medium New
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Campus Notebook B5 Flat type 6mm Rule with Dot Set of 3
Rp176,050.00
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📏 SIZE GUIDE

Find Your Perfect Campus Size

Compare standard Japanese sizes against US Letter to find what fits your workflow.

Size comparison from left to right: A5, Semi-B5, US Letter, and A4

🔍 Left to Right: A5 ➔ Semi-B5 ➔ US Letter (Reference) ➔ A4

Size Name Dimensions How it compares to US Letter
MOST POPULAR
Semi-B5 		179 × 252 mm
7.0" × 9.9" 		The Japanese Standard. Slightly narrower and shorter than US Letter. Fits much better on crowded desk spaces next to laptops.
US Letter
(Standard US size) 		216 × 279 mm
8.5" × 11.0" 		Standard baseline for North America.
A4 210 × 297 mm
8.3" × 11.7" 		Maximum Workspace. Slightly taller and narrower than US Letter. Perfect for professional planning and big brainstorming sessions.
A5 148 × 210 mm
5.8" × 8.3" 		Ultra Portable. About half the size of A4/Letter. Fits in almost any bag for cafe studying, quick meeting notes, and daily journal entry.
🌟 Used to US Letter Size?

Try Semi-B5 for Daily Notes

Semi-B5 gives you a comfortably wide writing area without taking up as much physical desk space as a standard US Letter binder or notebook.

💼 Desk vs. On-the-Go

Choose A4 for Projects, A5 for Travel

If you want maximum space similar to Letter, go with A4. If you want something portable to toss in a small purse or handbag, choose A5.

Campus Best Seller

Campus Smartring Slim Binder B5 <60 Sheets> Transparent,White, medium Campus Smartring Slim Binder B5 <60 Sheets> Transparent,White, medium New
Low in Stock
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Campus Smartring Slim Binder B5 <60 Sheets> Transparent
Rp255,150.00
Campus 2-ring Slim Binder Notebook A4 Blue,Blue, medium Campus 2-ring Slim Binder Notebook A4 Blue,Blue, medium New
Low in Stock
Out of Stock
Campus 2-ring Slim Binder Notebook A4 Blue
Rp232,200.00
Campus Loose Leaf <Smooth> B5 5mm Grid Rule 50 Sheets,, medium New
Low in Stock
Out of Stock
Campus Loose Leaf <Smooth> B5 5mm Grid Rule 50 Sheets
Rp74,000.00
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Pink,Pink, medium Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Pink,Pink, medium New
Low in Stock
Out of Stock
Campus Soft Ring Notebook B5 6mm Dotted Rule 40 Sheets Pink
Rp89,300.00
Campus Study Planner Monthly and Weekly A5 80 Sheets Pink,Pink, medium Campus Study Planner Monthly and Weekly A5 80 Sheets Pink,Pink, medium New
Low in Stock
Out of Stock
Campus Study Planner Monthly and Weekly A5 80 Sheets Pink
Rp410,850.00
Campus Study Planner Weekly Visualized Loose leaf B5 Pink,Pink, medium Campus Study Planner Weekly Visualized Loose leaf B5 Pink,Pink, medium New
Low in Stock
Out of Stock
Campus Study Planner Weekly Visualized Loose leaf B5 Pink
Rp102,050.00
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Campus Loose Leaf <Clean Erasing> B5 6mm Dotted Rule 100 Sheets,, medium Campus Loose Leaf <Clean Erasing> B5 6mm Dotted Rule 100 Sheets,, medium New
Low in Stock
Out of Stock
Campus Loose Leaf <Clean Erasing> B5 6mm Dotted Rule 100 Sheets
Rp107,150.00
Campus Notebook B5 6mm Rule 100 Sheets,Blue, medium New
Low in Stock
Out of Stock
Campus Notebook B5 6mm Rule 100 Sheets
Rp155,650.00
Campus Loose Leaf <Smooth> B5 7mm Rule 100 Sheets,, medium Campus Loose Leaf <Smooth> B5 7mm Rule 100 Sheets,, medium New
Low in Stock
Out of Stock
Campus Loose Leaf <Smooth> B5 7mm Rule 100 Sheets
Rp99,500.00
Campus Notebook B5 5mm Grid Rule 80 Sheets Black,Black, medium Campus Notebook B5 5mm Grid Rule 80 Sheets Black,Black, medium New
Low in Stock
Out of Stock
Campus Notebook B5 5mm Grid Rule 80 Sheets Black
Rp142,900.00
Campus Study Planner Weekly Visualized Loose leaf B5 Yellow,Gold, medium Campus Study Planner Weekly Visualized Loose leaf B5 Yellow,Gold, medium New
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Out of Stock
Campus Study Planner Weekly Visualized Loose leaf B5 Yellow
Rp102,050.00
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Why Campus?

Campus Notebooks are one of the most popular notebooks in Japan, created by KOKUYO — a Japanese stationery company with over 120 years of history. First introduced in 1975, this long-selling favorite has been loved by people of all generations for decades. Whether you're learning, creating, planning, thinking or making steady progress toward a goal, Campus Notebooks are made to support your journey.

Why Campus?

Campus Notebooks are one of the most popular notebooks in Japan, created by KOKUYO — a Japanese stationery company with over 120 years of history. First introduced in 1975, this long-selling favorite has been loved by people of all generations for decades. Whether you're learning, creating, planning, thinking or making steady progress toward a goal, Campus Notebooks are made to support your journey.

Read more +
💡 FREQUENTLY ASKED QUESTIONS

📌 Everything You Need to Know About Campus

Find answers about paper quality, bindings, rulings, and finding your perfect notebook.

📚 Overview & Why Choose Campus

Q. What makes Kokuyo Campus notebooks different from other notebooks? ▼ Tap to view

Our Campus notebooks stand out for their perfect blend of premium Japanese quality and everyday durability. Since their debut in 1975, we have continually evolved them to become Japan's most beloved notebooks thanks to a few unique features:

  • Unique Lay-Flat Binding: Instead of traditional staples or stiff glue, we use a specialized spine-tape binding. This allows the notebook to lay flat on your desk and is incredibly durable—pages won't fall out even with heavy use.
  • Strict Quality Control: Our proprietary paper is manufactured under rigorous standards to ensure a consistently smooth writing experience.
  • Everyday Premium: You get high-end features at an affordable price, making it accessible for everyone from students to professionals.
Q. Are Kokuyo Campus notebooks worth it for studying and note-taking? ▼ Tap to view

Absolutely! In fact, they are the absolute standard for studying and note-taking in Japan.

While Japanese stationery is often considered a luxury abroad, Campus notebooks are designed to be your reliable, everyday "workhorse." They are lightweight to carry, durable enough to survive being tossed in a backpack, and offer a premium writing experience that makes studying and working just a little bit more enjoyable.

✍️ Finding Your Perfect Notebook & Paper

Q. Which Kokuyo Campus notebook format should I choose? ▼ Tap to view
It depends on your workflow! Here is a quick guide to our popular formats:
  • Classic Notebook (Semi-B5): The iconic Japanese standard. A perfect balance of portability and space for class and everyday notes.
  • Soft Ring Notebook: Recommended if you prefer ring binding but want Kokuyo's original squishy rings that won't dig into your hand.
  • Loose-Leaf & Smart Ring Binders: Best if you want to add, remove, or reorganize pages by subject.
  • Study Planner: Designed specifically for planning study sessions, setting goals, and tracking progress.
Q. Which paper ruling (lines, dots, grid) should I choose? ▼ Tap to view

Honestly, it comes down entirely to your personal preference and writing style! We offer several options so you can pick your favorite:

  • Lined: The classic, versatile format for everyday writing.
  • Dotted Line: Kokuyo’s famous innovation! It features subtle dots along the lines to help you seamlessly align text, draw neat tables, and space out bullet points.
  • Grid: A favorite for those who love structured layouts, drawing charts, or bullet journaling.
  • Plain (Blank): A completely open canvas for free-form sketching and mind maps.
Q. Is Kokuyo Campus paper suitable for fountain pens and highlighters? ▼ Tap to view
Yes! Our Campus paper is highly regarded as an exceptional "all-rounder." It allows gel pens, ballpoints, and pencils to glide effortlessly without catching. Many users also love using fountain pens with it, as it resists bleed-through and feathering remarkably well for an everyday notebook.

*Note: Performance can vary. For very wet fountain pen inks, broad nibs, or heavy alcohol-based markers, we recommend testing on a small area first as some show-through may occur.

📏 Sizes, Refills & Compatibility

Q. What is the difference between JIS B5 and Semi-B5 size? ▼ Tap to view
While they sound similar, they are not exactly the same size!
  • JIS B5 (Standard Japanese B5): Measures 182 × 257 mm.
  • Semi-B5 (Campus Standard): Measures 179 × 252 mm.

Our Semi-B5 is carefully designed to be just slightly narrower (3mm) and shorter (5mm). Always check the exact product dimensions before purchasing a non-Kokuyo cover or binder!

Q. How do I make sure loose-leaf paper or refills fit my binder? ▼ Tap to view
To ensure a perfect fit, please check the following two points before purchasing:
  • Paper Size: Make sure your binder and refill paper are the exact same size (e.g., A4, B5, or A5).
  • Number of Holes: This is crucial! Japanese loose-leaf systems use specific multi-hole patterns (e.g., B5 requires 26-hole paper, A5 requires 20-hole). Standard Western 3-ring or 4-ring paper will generally not fit!

Get to Know More About CAMPUS NOTEBOOK

We have put together some tips and tricks based on such concerns we have heard from our users, to help you keep using your planner for a long time.

Enhance Your Learning: Discover a New Way to Study with KOKUYO's Binder Notebook

Enhance Your Learning: Discover a New Way to Study with KOKUYO's Binder Notebook

To study effectively, having the right tools makes all the difference. If you’re juggling work and university, or focused on skill-building and self-improvement, you probably care a lot about the stationery you use for learning. Great tools don’t just help you take in information - they help you organize it and get the most out of your study time.

Your Campus Binder Notebook and Loose Leaf Paper Starter Guide

Your Campus Binder Notebook and Loose Leaf Paper Starter Guide

The Binder System combines loose-leaf paper with a binder - a flexible setup that lets you replace pages one at a time. You can carry only what you need, rearrange your notes freely, and keep everything perfectly organized.

KOKUYO Campus Notebook – Built for Writers Who Value Paper Quality

KOKUYO Campus Notebook – Built for Writers Who Value Paper Quality

A notebook is something everyone uses. And the more often you use it, the more you notice the difference in quality. The KOKUYO Campus Notebook has been trusted and chosen by countless users for decades. Not just because it’s famous - but because it delivers on a simple belief: “If you use it every day, it should be made right.”

Stay Motivated and Organized with KOKUYO Study Planner

Stay Motivated and Organized with KOKUYO Study Planner

You want to earn a new qualification, learn a new language, or sharpen your skills - but between work and daily life, finding time to study isn’t easy. If this sounds familiar, we recommend KOKUYO’s Study Planner.

Enhance Your Learning with Binder Notebooks: Choose the Best Size for Your Style

Enhance Your Learning with Binder Notebooks: Choose the Best Size for Your Style

Effective studying depends on choosing the right tools.

Celebrating 50 Years of the Iconic Campus Notebook

Celebrating 50 Years of the Iconic Campus Notebook

The Campus Notebook is one of KOKUYO’s most beloved products, and in 2025, it celebrates an incredible milestone—its 50th anniversary! First launched in 1975, the Campus Notebook has been a trusted companion for students, professionals, and creatives alike. Loved for its unbeatable quality and thoughtful design, it’s a true icon in the world of stationery.