---
product_id: 539002476
title: "Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter"
brand: "greener route"
price: "616 zł"
currency: PLN
in_stock: true
reviews_count: 1
url: https://www.desertcart.pl/products/539002476-greener-route-pack-of-25x-a4-248x345mm-flat-rigid-cardboard
store_origin: PL
region: Poland
---

# Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter

**Brand:** greener route
**Price:** 616 zł
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter by greener route
- **How much does it cost?** 616 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/539002476-greener-route-pack-of-25x-a4-248x345mm-flat-rigid-cardboard)

## Best For

- greener route enthusiasts

## Why This Product

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

## Description

209mmx 312mm x 40mm (248 x 345 mm Flat) A4+ Cardboard Envelopes/ Corrugated Capacity Book Mailers - Heavy Duty 400gsm - by Greener Route - Peel and Seal, Rip and Strip Open - high level of mail protection for Royal Mail Large Letter Posting (PIP). Our premium corrugated capacity book mailers are the ideal strong, heavy duty, envelope-shaped protection for a range of different products. They are comprised of 100% recycled and recyclable carton material, making them a useful eco-friendly packing solution in which you can send your products. Each of our premium mailers features a micro F flute, making them puncture-resistant and ensuring a very high level of protection for a range of requirements. Due to this innovative design, they can prevent damage for items such as photos as they have a strong resistance against any bending that may happen in transit. Their clear-cut, compact appearance makes them presentable packaging for businesses across a range of industries. So if you would like to ensure quality protection for your books, DVDs, photos, or other similar shaped products, choose one of our effective, strong capacity.

## Features

- Heavy Duty 400gsm Corrugated Book Mailers
- A4+ 209mmx 312mm x 40mm (248x345mm Flat) with High Level of Protection
- Eco-friendly, Recyclable, compostable, Biodegradable
- Easy open tear strip making it simple for receivers to open the goods
- Made of 100% recycled and recyclable carton material.Royal Mail Large Letter Posting Ready (PIP).Features a micro F flute, making them puncture-resistant and ensuring a very high level of protection.Prevent damage for items such as photos.Flat size 248x345

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Greener Route |
| Brand | Greener Route |
| Product Dimensions | 24.8 x 34.5 x 0.2 cm; 1.8 kg |
| Color | Brown |
| Closure | Self-Seal |
| Shape | Rectangular |
| Material Type | Cardboard |
| Number of Items | 25 |
| Size | 209mm x 312mm |
| Manufacturer Part Number | GR-CORRUGATEDMAILER |
| Item Weight | 1.8 Kilograms |

## Images

![Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter - Image 1](https://m.media-amazon.com/images/I/61RXe43p1PL.jpg)
![Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter - Image 2](https://m.media-amazon.com/images/I/61+HYMM07-L.jpg)
![Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter - Image 3](https://m.media-amazon.com/images/I/61PhmSLkfNL.jpg)
![Greener Route Pack of 25X A4+ (248x345mm Flat) Rigid Cardboard Envelopes - Corrugated Capacity Book Mailers 209x312x40mm Inner, Heavy Duty 400gsm, Peel and Seal, Rip and Strip Open, Large Letter - Image 4](https://m.media-amazon.com/images/I/81qulFSnDZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Stronger than most
  

*by K***N on Reviewed in the United Kingdom on 1 July 2023*

Strong sturdy envelopes that fit A4 paper size well even with light packaging. Would use again.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pl/products/539002476-greener-route-pack-of-25x-a4-248x345mm-flat-rigid-cardboard](https://www.desertcart.pl/products/539002476-greener-route-pack-of-25x-a4-248x345mm-flat-rigid-cardboard)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-05*