---
product_id: 569512546
title: "Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack"
brand: "postmaster"
price: "₩3912"
currency: KRW
in_stock: false
reviews_count: 5
url: https://www.desertcart.kr/products/569512546-postmaster-c4-envelopes-peel-and-seal-for-a4-sheets-100gsm
store_origin: KR
region: South Korea
---

# PEFC-certified sustainable paper Fits A4 sheets unfolded Opaque blue privacy lining Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack

**Brand:** postmaster
**Price:** ₩3912
**Availability:** ❌ Out of Stock

## Summary

> 📬 Seal your professionalism with every send!

## Quick Answers

- **What is this?** Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack by postmaster
- **How much does it cost?** ₩3912 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/569512546-postmaster-c4-envelopes-peel-and-seal-for-a4-sheets-100gsm)

## Best For

- postmaster enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Friendly Choice:** Made from PEFC-certified paper supporting sustainable forest management—send with a clear conscience.
- • **Privacy You Can Trust:** Opaque blue interior lining keeps your sensitive documents confidential and secure.
- • **Proudly Made in the UK:** Trusted by top British organizations and home businesses alike, crafted with premium 100GSM bright white paper.
- • **Designed for A4 Perfection:** Fits standard A4 sheets unfolded, ideal for professional documents and presentations.
- • **Effortless Peel & Seal Closure:** No licking, no mess—just peel and press for a secure seal every time.

## Overview

Postmaster C4 Envelopes are expertly crafted to fit A4 sheets unfolded, featuring a hygienic peel & seal closure and an opaque blue privacy lining. Made from bright white 100GSM paper certified by PEFC for sustainability, these 25-pack envelopes combine eco-consciousness with premium quality, proudly manufactured in the UK to meet the demands of professionals and businesses alike.

## Description

C4 ENVELOPE - Designed to take sheets of A4 Paper unfolded. Designed to be sent using a single Large Letter 1st Class or 2nd Class Stamp (max 100g)KEEPS YOUR DOCUMENTS PRIVATE - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelopePEFC-CERTIFIED FOR SUSTAINABILITY - PEFC is a European based Forest certification system, that allows small- and family forest owners to demonstrate their excellence in sustainable forest managementHYGIENIC & FAST - this envelope features Peel & Seal closing, which means no licking or peeling. Simply Peel the Tape then press the flap down for a secure, hassle free closeMADE IN THE UK - we manufacture millions of Envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses using quality, bright white 100GSM paper. The Paper can be written on, labelled or can be used with most household & office printers

Review: Acquisto perfetto - Utilissime come le volevo
Review: parfait - parfait

## Features

- C4 ENVELOPE - Designed to take sheets of A4 Paper unfolded. Designed to be sent using a single Large Letter 1st Class or 2nd Class Stamp (max 100g)
- KEEPS YOUR DOCUMENTS PRIVATE - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelope
- PEFC-CERTIFIED FOR SUSTAINABILITY - PEFC is a European based Forest certification system, that allows small- and family forest owners to demonstrate their excellence in sustainable forest management
- HYGIENIC & FAST - this envelope features Peel & Seal closing, which means no licking or peeling. Simply Peel the Tape then press the flap down for a secure, hassle free close
- MADE IN THE UK - we manufacture millions of Envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses using quality, bright white 100GSM paper. The Paper can be written on, labelled or can be used with most household & office printers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CGB1PLM2 |
| Additional Features | Peel & Seal, Self-Adhesive Closure |
| Brand | Postmaster |
| Brand Name | Postmaster |
| Closure Type | Self-Seal |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 1,404 Reviews |
| Item Dimensions L x W | 13.15"L x 9.02"W |
| Item Shape | Rectangular |
| Item Type Name | Envelopes |
| Manufacturer | Bong |
| Material | Paper |
| Material Type | Paper |
| Model Name | Envelopes |
| Number of Items | 25 |
| Occasion | Office |
| Occasion Type | Anytime, Business, Formal |
| Recommended Uses For Product | Documents, Letter, Seed |
| Size | A4 |
| Style | A4 |

## Product Details

- **Brand:** Postmaster
- **Closure Type:** Self-Seal
- **Color:** White
- **Material:** Paper
- **Occasion:** Office

## Images

![Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack - Image 1](https://m.media-amazon.com/images/I/61gPY6Zv9GL.jpg)
![Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack - Image 2](https://m.media-amazon.com/images/I/7123cWaSpvL.jpg)
![Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack - Image 3](https://m.media-amazon.com/images/I/916Ip-8R6uL.jpg)
![Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack - Image 4](https://m.media-amazon.com/images/I/81+RRiOQgOL.jpg)
![Postmaster C4 Envelopes Peel & Seal for A4 Sheets 100GSM White Paper - 25 Pack - Image 5](https://m.media-amazon.com/images/I/71pReLssnZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Acquisto perfetto
*by A***. on November 2, 2025*

Utilissime come le volevo

### ⭐⭐⭐⭐⭐ parfait
*by G***Y on September 18, 2025*

parfait

### ⭐⭐⭐⭐⭐ Amazing value and quality product
*by A***R on February 19, 2026*



## Frequently Bought Together

- Postmaster A4 Envelopes Peel & Seal 100GSM White Paper - 25 Pack
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**Shop now:** [https://www.desertcart.kr/products/569512546-postmaster-c4-envelopes-peel-and-seal-for-a4-sheets-100gsm](https://www.desertcart.kr/products/569512546-postmaster-c4-envelopes-peel-and-seal-for-a4-sheets-100gsm)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-05-07*