---
product_id: 640179911
title: "300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts"
brand: "muklei"
price: "NT$7500"
currency: TWD
in_stock: true
reviews_count: 3
url: https://www.desertcart.tw/products/640179911-300-pack-3-5-x-4-5-inch-corrugated-cardboard
store_origin: TW
region: Taiwan
---

# 2mm thickness for sturdy support 300 sheets for bulk packaging power Easy to cut & fold for versatile use 300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts

**Brand:** muklei
**Price:** NT$7500
**Availability:** ✅ In Stock

## Summary

> 📦 Elevate your packaging game with bulk strength and creative freedom!

## Quick Answers

- **What is this?** 300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts by muklei
- **How much does it cost?** NT$7500 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/640179911-300-pack-3-5-x-4-5-inch-corrugated-cardboard)

## Best For

- muklei enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Packaging Mastery:** 300 durable sheets to power through all your shipping and crafting needs without running out.
- • **Reliable Shipping Shield:** High-quality material that resists warping and breaking, safeguarding your important documents and goods.
- • **Versatile Crafting Canvas:** Perfectly sized 3.5 x 4.5 inch sheets that cut, fold, and shape effortlessly for creative projects.
- • **Eco-Friendly & Professional:** Brown corrugated sheets that combine sustainability with a clean, professional look for your packaging.
- • **Unmatched Structural Strength:** 2mm thick corrugated cardboard ensures your items stay protected and intact during transit.

## Overview

This 300-pack of 3.5 x 4.5 inch, 2mm thick brown corrugated cardboard sheets from MUKLEI offers durable, warp-resistant protection ideal for shipping, mailing, and crafting. Designed for professional-grade packaging and versatile DIY projects, these sturdy flat sheets provide reliable structural support and easy customization to keep your goods safe and your creativity flowing.

## Description

Full description not available

## Features

- HIGH QUALITY MATERIAL - Our corrugated cardboard sheets are made from high quality corrugated raw material that is strong and durable and does not warp or break easily, ensuring safe and reliable use for a long time to come.
- EFFECTIVE PROTECTION - This set of 300 sheets of corrugated pads can be used to reinforce and support the packaging of goods, providing effective protection for important documents during transportation and mailing, avoiding the breakage or bending of goods and documents during transportation.
- STRUCTURAL STABILITY - The thickness of these flat cardboard sheets ranges from 1.6-2mm, providing enough structural strength to make them suitable for a wide range of crafting and packaging applications. This thickness ensures rigidity and enables easy cutting and folding.
- WIDE APPLICATION - These brown cardboards are great for crafts, DIY projects, school projects and packaging needs. Whether you are doing a creative craft project or need packaging, these corrugated cardboards will be a great help.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CQ1MCW9G |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #145,200 in Office Products ( See Top 100 in Office Products ) #833 in Box Mailers |
| Brand | MUKLEI |
| Color | Brown |
| Customer Reviews | 4.8 4.8 out of 5 stars (12) |
| Date First Available | December 12, 2023 |
| Item Package Quantity | 300 |
| Item Weight | 3.34 pounds |
| Manufacturer | MUKLEI |
| Material | Cardboard |
| Number of Items | 300 |
| Product Dimensions | 4.5"L x 3.5"W |
| UPC | 767950944661 |
| Unit Count | 300.0 Count |

## Product Details

- **Brand:** MUKLEI
- **Color:** Brown
- **Item Weight:** 1.52 Kilograms
- **Material:** Cardboard
- **Product Dimensions:** 4.5"L x 3.5"W

## Images

![300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts - Image 1](https://m.media-amazon.com/images/I/91UjUoaOrxL.jpg)
![300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts - Image 2](https://m.media-amazon.com/images/I/61tBlDP1EVL.jpg)
![300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts - Image 3](https://m.media-amazon.com/images/I/812ARAUpyyL.jpg)
![300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts - Image 4](https://m.media-amazon.com/images/I/61HOTdv29ML.jpg)
![300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts - Image 5](https://m.media-amazon.com/images/I/715sWrJa4iL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It protects trading cards during shipping
*by M***A on March 17, 2025*

Arrived and item is as described

### ⭐⭐⭐⭐⭐ perfect size for team bags
*by R***J on February 25, 2025*

Good size

### ⭐⭐⭐⭐⭐ Clean cuts - sharp corners
*by M***X on January 12, 2025*

I use this product as a "backer" or support for collectible trading cards that I sell online. Well worth the investment to make sure my buyers get their product in top condition!

## Frequently Bought Together

- MUKLEI 300 Pack 3.5 x 4.5 Inch Corrugated Cardboard Sheets, 2mm Thick Brown Cardboard Inserts for Packaging, Flat Cardboard Sheets Corrugated Pads for Shipping, Mailing, Crafts
- Fainne 350 Pieces 6x8 Inches Rigid Self Adhesive White Photo Mailers 350GSM Document Thicken Keep Flat Cardboard Mailers Shipping Envelopes Photography for Photos, Documents, CD

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**Shop now:** [https://www.desertcart.tw/products/640179911-300-pack-3-5-x-4-5-inch-corrugated-cardboard](https://www.desertcart.tw/products/640179911-300-pack-3-5-x-4-5-inch-corrugated-cardboard)

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