---
product_id: 400793692
title: "Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift"
brand: "strboxong"
price: "98 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/400793692-corrugated-cardboard-shipping-boxes-125x80x20mm-mini-royal-mail-large-letter
store_origin: PL
region: Poland
---

# 125x80x20mm perfect Royal Mail size 32ECT-E sturdy kraft cardboard Eco-friendly & fully recyclable Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift

**Brand:** strboxong
**Price:** 98 zł
**Availability:** ✅ In Stock

## Summary

> 📦 Ship smart, ship stylish—your mini parcel’s perfect fit!

## Quick Answers

- **What is this?** Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift by strboxong
- **How much does it cost?** 98 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/400793692-corrugated-cardboard-shipping-boxes-125x80x20mm-mini-royal-mail-large-letter)

## Best For

- strboxong enthusiasts

## Why This Product

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

## Key Features

- • **Royal Mail Ready:** Optimized dimensions to qualify for Large Letter postage under 750g
- • **Durable & Reliable:** Strong single-wall corrugated cardboard ensures safe shipping every time
- • **Risk-Free Purchase:** 90-day 100% money-back guarantee for total peace of mind
- • **Effortless Assembly:** Flat-packed design snaps together in seconds—no tape or glue needed
- • **Eco-Conscious Packaging:** Made from recyclable kraft cardboard for guilt-free mailing

## Overview

These 125x80x20mm mini shipping boxes are crafted from robust 32ECT-E single-wall corrugated kraft cardboard, designed to fit Royal Mail Large Letter criteria for parcels under 750g. Eco-friendly and recyclable, they ship flat for easy storage and assemble quickly without adhesives. Ideal for businesses or gifting, they combine durability with convenience, backed by a 90-day satisfaction guarantee.

## Description

Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift

## Features

- Pack, Ship, Mail, or Store small items in these cartons, they make the perfect box for those little products or gifts that need to be sent out or stored until ready to use
- Made from strong 32ECT-E single wall corrugated kraft cardboard which is Eco-friendly, recyclable and sturdy for daily use
- Outer size: 125mm x 80mm x 20mm, inner size when made up: 115mm x 77mm x 17mm. Qualifies for Royal Mail Large Letter postage if under 750g
- Package ships flat packed for easy storage, and are easy to assemble in seconds – no tapes, glue or staplers are needed
- 100% SATISFACTION: Please contact us via e-mail for any case, we guarantee our customers 100% money back in 90 days.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | STRBOXONG |
| Part number | Brown Box Mailer-125×80×20mm |
| Item Weight | 18 g |
| Product Dimensions | 12.5 x 8 x 2 cm; 18 g |
| Item model number | Small Parcel Box (5×3×0.8 Inches) |
| Size | 125x80x20 mm |
| Colour | Brown |
| Material | Cardboard |
| Item Package Quantity | 1 |
| Maximum weight capacity | 7.5E+2 Grams |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** STRBOXONG
- **Colour:** Brown
- **Material:** Cardboard
- **Product dimensions:** 12.5L x 8W x 2H centimetres
- **Item weight:** 18 Grams
- **Breaking strength:** 750 Grams
- **Number of Boxes:** 1
- **Weight limit:** 7.5E+2 Grams

## Images

![Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift - Image 1](https://m.media-amazon.com/images/I/51TnKKYlSpL.jpg)
![Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift - Image 2](https://m.media-amazon.com/images/I/61hfiuU8fyL.jpg)
![Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift - Image 3](https://m.media-amazon.com/images/I/61mCjm1fs2L.jpg)
![Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift - Image 4](https://m.media-amazon.com/images/I/51lqqiGLZbS.jpg)
![Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift - Image 5](https://m.media-amazon.com/images/I/511aT-cRnnS.jpg)

## Available Options

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

## Frequently Bought Together

- Corrugated Cardboard Shipping Boxes, 125x80x20mm Mini Royal Mail Large Letter PiP Postal Boxes for Posting, Brown Packaging Mailing Boxes for Business, Storing or Gift
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**Shop now:** [https://www.desertcart.pl/products/400793692-corrugated-cardboard-shipping-boxes-125x80x20mm-mini-royal-mail-large-letter](https://www.desertcart.pl/products/400793692-corrugated-cardboard-shipping-boxes-125x80x20mm-mini-royal-mail-large-letter)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-04*