---
product_id: 423859007
title: "A4 Corrugated Cardboard Sheets - Pack of 12 Kraft Board Packing Dividers - 3mm Thick 210 x 297 mm Protective Inserts for Mailing, Crafts, Artwork & Storage - Brown (12)"
brand: "leo design"
price: "€ 16.46"
currency: EUR
in_stock: true
reviews_count: 8
category: "Leo Design"
url: https://www.desertcart.hr/products/423859007-a4-corrugated-cardboard-sheets-pack-of-12-kraft-board-packing
store_origin: HR
region: Croatia
---

# 3mm thick for sturdy support A4 size 210x297mm perfect fit 100% recyclable kraft board A4 Corrugated Cardboard Sheets - Pack of 12 Kraft Board Packing Dividers - 3mm Thick 210 x 297 mm Protective Inserts for Mailing, Crafts, Artwork & Storage - Brown (12)

**Brand:** leo design
**Price:** € 16.46
**Availability:** ✅ In Stock

## Summary

> 📦 Elevate your packaging & projects with kraft that means business!

## Quick Answers

- **What is this?** A4 Corrugated Cardboard Sheets - Pack of 12 Kraft Board Packing Dividers - 3mm Thick 210 x 297 mm Protective Inserts for Mailing, Crafts, Artwork & Storage - Brown (12) by leo design
- **How much does it cost?** € 16.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/423859007-a4-corrugated-cardboard-sheets-pack-of-12-kraft-board-packing)

## Best For

- leo design enthusiasts

## Why This Product

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

## Key Features

- • **Perfect A4 Dimensions:** Standard 210 x 297 mm size fits all your mailing, crafting, and storage needs seamlessly.
- • **Eco-Chic & British Made:** Crafted in the UK from premium recyclable kraft board with a natural, professional finish.
- • **Lightweight Yet Durable:** Strong enough to resist crushing but easy to handle for any project or packaging task.
- • **Rock-Solid 3mm Thickness:** Engineered single-wall corrugated layers deliver unbeatable rigidity without bulk.
- • **Versatile Protective Inserts:** Ideal for safeguarding prints, artwork, photos, and more during transit or display.

## Overview

This pack of 12 A4 corrugated cardboard sheets features 3mm thick single-wall kraft board, offering superior strength and crush resistance in a lightweight, recyclable format. Perfectly sized at 210 x 297 mm, these versatile dividers protect artwork, prints, and crafts during mailing or storage, while their natural brown finish adds a professional, eco-friendly touch. Proudly made in the UK, they combine durability with sustainability for all your creative and packaging needs.

## Description

A4 Corrugated Cardboard Sheets - Pack of 12 Kraft Board Packing Dividers - 3mm Thick 210 x 297 mm Protective Inserts for Mailing, Crafts, Artwork & Storage - Brown (12) : desertcart.co.uk: Business, Industry & Science

Review: Thick Quality - After using scrap pieces of cardboard for my art project last year I bought myself a pack of these A4 ones for this years project. Can’t wait to use them as I use them as canvases. The quality of them seems great and they arrived in a sealed grey packet to prevent damage
Review: Great for all kinds of usage. - This was a gift to my brother in a Nursing home.....he wanted to keep the sun off his face and did not want to keep asking the carers to close and open blinds.. He said, " they are just wonderful, I can put them in different places, depending on where the sun is...he is planning to make a box soon to keep his things in.

## Features

- A4 corrugated cardboard sheets crafted from sturdy 3mm single-wall corrugated material. These 210 x 297 mm kraft board sheets provide maximum rigidity and structural strength for packaging, mailing, crafting, and protective storage applications.
- A4 rigid Backing board for prints are premium 3mm thick single-wall corrugated construction with 3 layers of durable kraft board. Designed to offer exceptional stability and crush resistance while maintaining a lightweight, easy-to-handle profile for all your project needs.
- A4 Cardboard Divider is versatile protective inserts perfect for separating prints, artwork, photos, postcards, and magazines during mailing. Also ideal for flower pressing, welcome signs, photo frames, and office organization projects.
- Standard A4 dimensions measuring 21 x 29.7 cm (8.3 x 11.7 inches) providing ample surface area for school projects, dioramas, display boards, craft boxes, and creative DIY applications.
- Manufactured in Britain from high-quality, 100% recyclable corrugated kraft board. The traditional brown finish offers a natural, professional appearance suitable for practical packaging and creative crafting projects.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09VYG1WXF |
| Best Sellers Rank | 12,251 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 18 in Corrugated Packaging Sheets |
| Brand | Leo Design |
| Colour | Brown |
| Country of Origin | United Kingdom |
| Customer Reviews | 4.4 out of 5 stars 103 Reviews |
| Item Dimensions L x W | 30L x 21W millimetres |
| Manufacturer | Leo Design |
| Material | Cardboard |
| Number of Items | 12 |
| Package Size Name | 12 Pack |
| Part Number | L-CS-22 |
| Product dimensions | 30L x 21W millimetres |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |

## Product Details

- **Brand:** Leo Design
- **Material:** Cardboard
- **Product dimensions:** 30L x 21W millimetres
- **Colour:** Brown
- **Unit count:** 1.0 Count

## Images

![A4 Corrugated Cardboard Sheets - Pack of 12 Kraft Board Packing Dividers - 3mm Thick 210 x 297 mm Protective Inserts for Mailing, Crafts, Artwork & Storage - Brown (12) - Image 1](https://m.media-amazon.com/images/I/51jE-h2EExL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Thick Quality
*by E***N on 21 October 2025*

After using scrap pieces of cardboard for my art project last year I bought myself a pack of these A4 ones for this years project. Can’t wait to use them as I use them as canvases. The quality of them seems great and they arrived in a sealed grey packet to prevent damage

### ⭐⭐⭐⭐⭐ Great for all kinds of usage.
*by L***A on 16 April 2025*

This was a gift to my brother in a Nursing home.....he wanted to keep the sun off his face and did not want to keep asking the carers to close and open blinds.. He said, " they are just wonderful, I can put them in different places, depending on where the sun is...he is planning to make a box soon to keep his things in.

### ⭐⭐⭐⭐⭐ Perfect
*by K***M on 4 October 2025*

Perfect

## Frequently Bought Together

- A4 Corrugated Cardboard Sheets for Packing, Mailing, Arts & Crafts. 3mm Thickness, A4 (210 x 297 mm) Kraft Board - Large Cardboard Sheets, Protective Boards (6 & 12 & 24 Pack)- LEO Design (12)
- Assark Glue Gun, Mini Hot Glue Gun Kit with 30 Glue Sticks for School Crafts DIY Arts Quick Home Repairs, 20W (Green)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-26*