---
product_id: 737138676
title: "Kokuyo Campus Smart Ring Binder, A5 Black Refillable Binder Notebook 20 Holes with 10 Extra Loose-Leaf Paper, Up to 25 Filler Papers for Work & Study, Japan Import (RU-SP131D)"
brand: "kokuyo"
price: "NT$1499"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/737138676-kokuyo-campus-smart-ring-binder-a5-black-refillable-binder-notebook
store_origin: TW
region: Taiwan
---

# A5 compact size for ultimate portability 360° fold & 180° lay-flat design for seamless writing Secure lock system prevents accidental openings Kokuyo Campus Smart Ring Binder, A5 Black Refillable Binder Notebook 20 Holes with 10 Extra Loose-Leaf Paper, Up to 25 Filler Papers for Work & Study, Japan Import (RU-SP131D)

**Brand:** kokuyo
**Price:** NT$1499
**Availability:** ✅ In Stock

## Summary

> 📚 Unlock your productivity with the Campus Smart Ring Binder—where style meets function.

## Quick Answers

- **What is this?** Kokuyo Campus Smart Ring Binder, A5 Black Refillable Binder Notebook 20 Holes with 10 Extra Loose-Leaf Paper, Up to 25 Filler Papers for Work & Study, Japan Import (RU-SP131D) by kokuyo
- **How much does it cost?** NT$1499 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/737138676-kokuyo-campus-smart-ring-binder-a5-black-refillable-binder-notebook)

## Best For

- kokuyo enthusiasts

## Why This Product

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

## Key Features

- • **360° Flexibility:** Flip the cover fully back or lay flat for maximum desk space and comfort during meetings or study sessions.
- • **Smart Lock System:** Innovative ring lock keeps your notes secure, no more accidental spills or lost pages.
- • **Sleek & Slim Design:** Ultra-thin profile fits effortlessly in your bag—carry smart, work smarter.
- • **Premium Kokuyo Paper:** Includes 10 archival-quality, pH-neutral loose-leaf sheets with 6mm dotted lines—perfect for neat, professional notes.
- • **Customizable Capacity:** Holds up to 25 refillable sheets, letting you tailor your binder to your workflow and stay organized on the go.

## Overview

The Campus Smart Ring Binder by Kokuyo is a Japanese-imported, A5-sized refillable notebook binder featuring a durable frosted polypropylene cover, a secure smart lock system, and a 360° foldable design. It holds up to 25 loose-leaf sheets, including 10 premium Kokuyo Sarasara papers with 6mm dotted lines, making it an ideal compact organizer for professionals and students seeking a sleek, reliable, and customizable note-taking solution.

## Description

Campus Smart Ring Binder, A5 Black Refillable Binder Notebook 20 Holes with 10 Extra Loose-Leaf Paper, Up to 25 Filler Papers for Work & Study, Japan Import (RU-SP131D)

## Features

- [Notebook-Like Binder] A5 Kokuyo's Campus Smart Ring binder notebook, 20 holes 8.7x6.2 inches sprial notebook binder has frosted PP black cover, and the maximum capability is 25 sheets loose leaf binder papers.
- [Smart Ring System] First, make sure the stopper is unlocked. To take off the lock, place your finger through the bottom hole of the lock and push it out to the left. Once you get stuck here, you may grab onto the bottom tabs on the side and pull those out, then hold the lock and pull it up . Second, open the binder rings, press the plastic button on the top. Third, after you have replaced papers, pinch the rings together, the binder will be closed.
- [Ultra-thin and lock] The thin binder allows you to put the notebook binder into your bag stress-free and save space. Because of the smart ring binder design that is easy to open and close, the slim binder has a lock keeps the rings from accidentally opening, so you can securely carry this notebook in your bag.
- [360 Fold 180 Lay Flat] Great refillable notebook binders for meetings and classes, they not only lay flat for writing, but the cover flips back to save space on your desk. The slightly wider and frosted cover protects the index tabs from damage and makes them clearly visible.
- [10 Kokuyo Original Papers] The Campus notebook binder contains instruction pages and 10 sheets of A5 Kokuyo Campus Sarasara loose-leaf paper, each with 28 lines of 6mm dotted lines. The paper is pH neutral and of archival quality. Notebook-like binders have a maximum capacity of 25 sheets. Kokuyo also offers Grid, Plain and Ruled styles of loose-leaf paper.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KOKUYO |
| Brand | KOKUYO |
| Model number | ル-SP131D |
| Product Dimensions | 1.3 x 17.6 x 22.1 cm; 60 g |
| Color | Black |
| Cover Material | R-PP |
| Material Type | Polypropylene |
| Size | A5 |
| Sheet Size | A5 |
| Number of Holes | 20 |
| Manufacturer Part Number | ル-SP131D |
| Item Weight | 60 g |

## Product Details

- **Brand:** KOKUYO
- **Colour:** Black
- **Sheet size:** A5
- **Cover material:** R-PP
- **Style:** Up to 25 sheets

## Images

![Kokuyo Campus Smart Ring Binder, A5 Black Refillable Binder Notebook 20 Holes with 10 Extra Loose-Leaf Paper, Up to 25 Filler Papers for Work & Study, Japan Import (RU-SP131D) - Image 1](https://m.media-amazon.com/images/I/71F+i3xcQqL.jpg)

## Available Options

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

## Frequently Bought Together

- KOKUYO Campus Smart Ring Binder Notebooks, A5, 25 Capacity, 20 Rings, Black, Japan Import (RU-SP131D)
- Kokuyo Campus Loose Leaf Paper for Binders, Sarasara Smooth Writing, A5, 5mm Grid Ruled, 20 Holes, 60 Sheets, pH Neutral, Bleed Resistant, 75gsm, Japan Import (NO-807S-5)
- Kokuyo Campus Loose Leaf Paper - Sarasara - A5 - Dotted 6 mm Rule - 20 Holes - 100 Sheets

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tw/products/737138676-kokuyo-campus-smart-ring-binder-a5-black-refillable-binder-notebook](https://www.desertcart.tw/products/737138676-kokuyo-campus-smart-ring-binder-a5-black-refillable-binder-notebook)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-13*