---
product_id: 218815186
title: "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: "S/.70"
currency: PEN
in_stock: true
url: https://www.desertcart.pe/products/218815186-campus-smart-ring-binder-a5-black-refillable-binder-notebook-20
store_origin: PE
region: Peru
---

# Holds up to 25 sheets A5 compact size Secure lock system 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:** S/.70
**Availability:** ✅ In Stock

## Summary

> 🖋️ Elevate your note game with the binder that works as hard as you do!

## Quick Answers

- **What is this?** 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?** S/.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/218815186-campus-smart-ring-binder-a5-black-refillable-binder-notebook-20)

## 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

- • **Sleek A5 Compact Design:** Fits effortlessly into your bag for on-the-go productivity.
- • **Smart Locking Ring System:** Innovative lock keeps your notes secure and prevents accidental openings.
- • **Ultra-Thin & Space-Saving:** Minimal bulk means more room for your essentials without the stress.
- • **360° Fold & 180° Lay Flat:** Flip the cover back or lay flat for seamless note-taking in meetings or classes.
- • **Premium Kokuyo Loose-Leaf Paper:** Includes 10 archival-quality sheets with 6mm dotted lines for crisp, clean writing.

## Overview

The Campus Smart Ring Binder by Kokuyo is a sleek, refillable A5 notebook binder featuring a secure locking ring system and ultra-thin design. It holds up to 25 sheets of premium Kokuyo loose-leaf paper, lays flat for easy writing, and folds 360° for space-saving convenience. Perfect for professionals and students seeking organized, stylish productivity on the move.

## 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 |
| Item Weight | 2.11 ounces |
| Product Dimensions | 0.51 x 6.93 x 8.7 inches |
| Item model number | ル-SP131D |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Cover Material | R-PP |
| Material Type | Polypropylene |
| Size | A5 |
| Sheet Size | A5 Inches |
| Number of Holes | 20 |
| Manufacturer Part Number | ル-SP131D |

## Product Details

- **Brand:** KOKUYO
- **Color:** Black
- **Sheet Size:** A5 Inches
- **Cover Material:** R-PP
- **Style:** Up to 25 sheets
- **Product Dimensions:** 8.7"L x 6.2"W
- **Binding:** Office Product
- **Unit Count:** 1.0 Count
- **Manufacturer:** KOKUYO

## Images

![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)

## 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

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**Shop now:** [https://www.desertcart.pe/products/218815186-campus-smart-ring-binder-a5-black-refillable-binder-notebook-20](https://www.desertcart.pe/products/218815186-campus-smart-ring-binder-a5-black-refillable-binder-notebook-20)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-01-31*