---
product_id: 159008500
title: "100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100)"
brand: "packaging now"
price: "$323"
currency: MXN
in_stock: false
url: https://www.desertcart.mx/products/159008500-100-x-folding-lid-self-seal-postal-cardboard-boxes-240
store_origin: MX
region: Mexico
---

# 100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100)

**Brand:** packaging now
**Price:** $323
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100) by packaging now
- **How much does it cost?** $323 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/159008500-100-x-folding-lid-self-seal-postal-cardboard-boxes-240)

## Best For

- packaging now enthusiasts

## Why This Product

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

## Description

Mailing boxes are the perfect option for sending your products safely and securely. We have a wide range of sixes that will meet all your needs.For more information or to see our range of boxes, please visit our store front for more details.

## Features

- About this item
- We stock a large range of postal boxes, from small jewellery / watch boxes to large shoe / boot boxes.     Our boxes are delivered flat packed for easy storage, they are simple to erect while adding protection to your parcel.     Self-Sealing / Locking flaps for added security, no tape or glue required unless desired.     Once assembled, our postal boxes have additional strength due to the triple thick cardboard sides.     Quick and effortless assembly / strong and secure protections / affordable prices    ›See more product details

## Images

![100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100) - Image 1](https://m.media-amazon.com/images/I/61x3LA7+DKL.jpg)
![100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100) - Image 2](https://m.media-amazon.com/images/I/61yalCirTRL.jpg)
![100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100) - Image 3](https://m.media-amazon.com/images/I/7126Z19BHML.jpg)
![100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100) - Image 4](https://m.media-amazon.com/images/I/61+kfg9XA6L.jpg)
![100 x Folding Lid Self Seal Postal Cardboard Boxes 240 x 240 x 40mm Royal Mail Large Letter Packet Mailing Cartons Self-Lock Tuck-in Flaps Flat Packed Easy to Assemble No Tape Or Glue Required (100) - Image 5](https://m.media-amazon.com/images/I/61un4pvHA-L.jpg)

---

## 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.mx/products/159008500-100-x-folding-lid-self-seal-postal-cardboard-boxes-240](https://www.desertcart.mx/products/159008500-100-x-folding-lid-self-seal-postal-cardboard-boxes-240)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-03*