---
product_id: 393071046
title: "Triplast 20 x A5 C5 Manilla Hard Board Back Envelopes (229x162mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents"
brand: "triplast"
price: "€ 21.01"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/393071046-triplast-20-x-a5-c5-manilla-hard-board-back-envelopes
store_origin: IE
region: Ireland
---

# Perfect A5/C5 size for documents Peel & seal strip for quick sealing 1000 micron rigid board backing Triplast 20 x A5 C5 Manilla Hard Board Back Envelopes (229x162mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents

**Brand:** triplast
**Price:** € 21.01
**Availability:** ✅ In Stock

## Summary

> 📬 Seal the deal with style and sustainability!

## Quick Answers

- **What is this?** Triplast 20 x A5 C5 Manilla Hard Board Back Envelopes (229x162mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents by triplast
- **How much does it cost?** € 21.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/393071046-triplast-20-x-a5-c5-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

- • **Speedy Seal:** Peel & seal strip slashes packing time—no tape, no fuss, just press & go.
- • **Eco-Chic Choice:** 100% recycled, biodegradable & kerbside recyclable—mail with a conscience.
- • **Rigid Protection:** 120gsm kraft front + 1000 micron board back ensures zero bends or creases.
- • **Unfolded A5 Ready:** Precisely sized for A5 papers & folded A4s, ideal for professional mailings.
- • **Lightweight & Cost-Savvy:** Sturdy yet light design cuts postage costs without compromising safety.

## Overview

Triplast’s 20-pack of A5 C5 manilla hard board envelopes combines robust 1000 micron cardboard backing with a 120gsm kraft paper front to protect documents from bending and creasing. Featuring a peel & seal strip for fast, secure closure, these lightweight envelopes reduce postage costs and are made from 100% recycled, biodegradable materials—perfect for eco-conscious professionals seeking reliable, stylish mailing solutions.

## Description

Triplast 20 x A5 C5 Manilla Hard Board Back Envelopes (229x162mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents

## Features

- A MAILING ESSENTIAL: Pack of 20 x C5 rigid mailers designed to contain unfolded A5 paper (or A4 paper folded in half) - perfectly sized for posting & storing greeting cards, invitations, booklets, photographs, postcards & small calendars
- 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 |
|---------------|-------|
| Manufacturer | Triplast |
| Brand | Triplast |
| Model number | A5 C5 |
| Product Dimensions | 16.2 x 22.9 x 0.2 cm; 27.22 g |
| Color | Brown |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Cardboard |
| Number of Items | 20 |
| Size | Pack of 20 |
| Sheet Size | A5 |
| Paper Finish | Uncoated |
| Manufacturer Part Number | A5 C5 |
| Item Weight | 27.2 g |

## Product Details

- **Brand:** Triplast
- **Colour:** Brown
- **Closure type:** Self-Seal
- **Occasion:** Graduation
- **Material:** Cardboard

## Images

![Triplast 20 x A5 C5 Manilla Hard Board Back Envelopes (229x162mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents - Image 1](https://m.media-amazon.com/images/I/71DA+zieKLL.jpg)

## Available Options

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

## Frequently Bought Together

- Triplast 20 x A5 C5 Manilla Hard Board Back Envelopes (229x162mm) - Cardboard Backed Envelopes with Peel & Seal Strip - Rigid Do Not Bend Envelopes for Mailing Posting Shipping & Storing Documents
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**Shop now:** [https://www.desertcart.ie/products/393071046-triplast-20-x-a5-c5-manilla-hard-board-back-envelopes](https://www.desertcart.ie/products/393071046-triplast-20-x-a5-c5-manilla-hard-board-back-envelopes)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-04*