---
product_id: 61650536
title: "Triplast 10 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Mailers with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents"
brand: "triplast"
price: "$150499"
currency: COP
in_stock: true
reviews_count: 13
category: "Triplast"
url: https://www.desertcart.co/products/61650536-triplast-10-x-a4-c4-manilla-hard-board-back-envelopes
store_origin: CO
region: Colombia
---

# 324x229mm perfect A4 fit Peel & seal secure closure 1000 micron rigid board back Triplast 10 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Mailers with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents

**Brand:** triplast
**Price:** $150499
**Availability:** ✅ In Stock

## Summary

> 📬 Send it safe, send it smart — the envelope that means business.

## Quick Answers

- **What is this?** Triplast 10 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Mailers with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents by triplast
- **How much does it cost?** $150499 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/61650536-triplast-10-x-a4-c4-manilla-hard-board-back-envelopes)

## Best For

- triplast enthusiasts

## Why This Product

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

## Key Features

- • **Post Smarter:** Lightweight yet sturdy design reduces postage costs without compromising protection.
- • **Seal the Deal:** Peel & seal strip ensures quick, hassle-free, and tamper-evident closure every time.
- • **Flat & Fabulous:** Rigid 120gsm kraft front + 1000 micron board back keeps documents crease-free and pristine.
- • **Eco-Chic Packaging:** Made from 100% recycled, biodegradable materials—your sustainable office upgrade.
- • **Label-Free Convenience:** Writable surface eliminates extra labels, streamlining your mailing process.

## Overview

Triplast’s pack of 10 C4 manilla hard board envelopes (324x229mm) offers a rigid, protective mailing solution designed to keep A4 documents flat and secure. Featuring a durable 120gsm kraft paper front and a 1000 micron cardboard back, these envelopes include a peel & seal strip for quick, tamper-proof closure. Lightweight yet sturdy, they reduce postage costs and are made from 100% recycled, biodegradable materials, making them an eco-conscious choice for professional document mailing and storage.

## Description

Triplast 10 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Mailers with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents : desertcart.co.uk: Stationery & Office Supplies

Review: Great item, great value for money - Great item, great value for money quick delivery
Review: Yuliia - In time, and good quality

## Features

- A MAILING ESSENTIAL: Pack of 10 x C4 rigid mailers designed to contain unfolded A4 paper (or A3 paper folded in half) - perfectly sized for posting & storing flat documents, certificates, magazines, reports, portfolios, contracts & photo prints
- WILL NOT BEND: 120gsm kraft paper front & 1000 micron board back construction offers all-round protection & rigidity to keep contents flat, crease-free & safe. "Please do not bend" is printed in large red font on the front to caution all handlers.
- QUICK, EASY & SECURE: Built-in peel & seal strip reduces packing time & cost by providing a strong & hassle-free seal while also offering extended shelf-life over self seal envelopes - just remove the strip & press the flap down to seal!
- SAVE ON PACKAGING & POSTAGE: A more cost-effective & waste-free alternative to all board envelopes, these light yet sturdy card backed envelopes are also cheaper to post. You may write on them directly to eliminate the need for extra address labels.
- AN ECO-CONSCIOUS CHOICE: Made from 100% recycled material, fully kerbside recyclable & biodegradable - these hard back envelopes are a plastic-free, sustainable & environmentally conscious packaging choice for office, school & home use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01H01UDIU |
| Best Sellers Rank | 2,085 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 19 in Envelope Mailers |
| Brand | Triplast |
| Closure | Self-Seal |
| Colour | Brown |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,623) |
| Date First Available | 13 Jun. 2016 |
| Item Weight | 55.8 g |
| Manufacturer | Triplast |
| Manufacturer Part Number | A4 C4 |
| Material Type | Paper |
| Model Number | A4 C4 |
| Number of Items | 10 |
| Paper Finish | Uncoated |
| Product Dimensions | 22.9 x 32.4 x 0.2 cm; 55.79 g |
| Shape | Rectangular |
| Sheet Size | A4 |
| Size | A4 C4 (324 x 229mm) |

## Product Details

- **Brand:** Triplast
- **Closure type:** Self-Seal
- **Colour:** Brown
- **Material:** Paper
- **Occasion:** Everyday Mailing

## Images

![Triplast 10 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Mailers with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents - Image 1](https://m.media-amazon.com/images/I/71pjehKgJ1L.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great item, great value for money
*by M***. on 20 January 2026*

Great item, great value for money quick delivery

### ⭐⭐⭐⭐⭐ Yuliia
*by Y***A on 27 January 2026*

In time, and good quality

### ⭐⭐⭐⭐⭐ A quality product
*by J***N on 27 November 2025*

Strong envelopes as expected. Big enough for sending put calendars.

## Frequently Bought Together

- Triplast 10 x A4 C4 Manilla Hard Board Back Envelopes (324x229mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents
- Amazon Basics Multipurpose Copy Printer Paper, 8.5" x 11", 20 lb, 10 Reams, 5000 Sheets, 92 Bright, White
- Hammermill Printer Paper, 20 lb Copy Paper, 8.5 x 14 - 10 Ream (5,000 Sheets) - 92 Bright, Made in the USA, 105015C

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**Shop now:** [https://www.desertcart.co/products/61650536-triplast-10-x-a4-c4-manilla-hard-board-back-envelopes](https://www.desertcart.co/products/61650536-triplast-10-x-a4-c4-manilla-hard-board-back-envelopes)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-25*