---
product_id: 616902371
title: "25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack"
brand: "yunju"
price: "€ 48.34"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/616902371-25-pcs-manilla-hard-board-back-a4-c4-324-x
store_origin: ES
region: Spain
---

# A4 C4 324x229mm precision size Peel & Seal strip for mess-free closure 100% recycled, biodegradable & plastic-free 25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack

**Brand:** yunju
**Price:** € 48.34
**Availability:** ✅ In Stock

## Summary

> 📬 Seal it, send it, save the planet—mail like a pro!

## Quick Answers

- **What is this?** 25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack by yunju
- **How much does it cost?** € 48.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/616902371-25-pcs-manilla-hard-board-back-a4-c4-324-x)

## Best For

- yunju enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Chic Choice:** Made from 100% recycled materials, fully recyclable and biodegradable—mail with a conscience.
- • **Bulk Pack Convenience:** 25 sturdy manilla envelopes in one pack—always be prepared for your next mailing.
- • **Effortless Seal, Zero Mess:** Peel & Seal strip eliminates gum hassle—just peel, press, and go.
- • **Guaranteed Document Safety:** Pre-printed 'Do Not Bend' ensures your important papers arrive pristine.
- • **Versatile Professional & Personal Use:** Perfect for mailing cards, invitations, photos, pay slips, and more—office or home ready.

## Overview

This 25-pack of A4 C4 manilla hard board envelopes from YUNJU features a peel & seal strip for quick, mess-free closure and a pre-printed 'Do Not Bend' warning to protect your documents. Sized precisely at 324 x 229 mm, these eco-friendly envelopes are made from 100% recycled, biodegradable materials, making them a sustainable choice for professional and personal mailing, shipping, and document storage.

## Description

25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack

## Features

- Just remove the strip and press the flap down to seal. Be free from the further mess of Gum or any other adhesive since no moisture is needed. These are ideal for both professional and personal use
- Pre-printed with Words “Do Not Bend” which ensures that the document is safe and flat.
- YUNJU large letter A4 posting envelopes are Perfect for mailing Holiday Cards, Greeting Cards, invitations, Announcements, Storing Photos, Letters, Wage Slips, Pay Slips, Dinner Money, Business office Home and Personal use
- Includes 25 x A4 C4 324mm x 229mm Manilla Hard Board Backed Envelopes Do Not Bend Envelope
- Our Please Do Not Bend envelope is Made from 100% recycled material, fully e recyclable & biodegradable, and Plastic-free, Environmentally Friendly Packaging choice for office, School & Home uses.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | YUNJU |
| Brand | YUNJU |
| Model Number | YNJ25ENV |
| Product Dimensions | 32.4 x 22.9 x 0.1 cm; 1.26 kg |
| Colour | Brown |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Fibreboard |
| Number of Items | 25 |
| Size | A4 25 Pack |
| Manufacturer Part Number | YNJ25ENV |
| Item Weight | 1.26 kg |

## Product Details

- **Brand:** YUNJU
- **Colour:** Brown
- **Closure type:** Self-Seal
- **Occasion:** general occasions
- **Material:** Fibreboard

## Images

![25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack - Image 1](https://m.media-amazon.com/images/I/81uL-rnpfbL.jpg)
![25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack - Image 2](https://m.media-amazon.com/images/I/81fqpZIfkvL.jpg)
![25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack - Image 3](https://m.media-amazon.com/images/I/81zjz7jY96L.jpg)
![25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack - Image 4](https://m.media-amazon.com/images/I/81ckSPvv-EL.jpg)
![25 Pcs Manilla Hard Board Back A4 C4 324 x 229mm Envelopes Please Do Not Bend Envelope with Peel & Seal Strip for Mailing, Posting Shipping Storing Documents 25 Pack - Image 5](https://m.media-amazon.com/images/I/813b8MPzazL.jpg)

## Available Options

This product comes in different **Size Name** options.

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-29*