---
product_id: 50640596
title: "9\"x12\" #3 Poly Mailer Plastic Shipping Mailing Bags Envelope Polybag 2 Mil 50 Pack"
brand: "shipping supply warehouse"
price: "£17.03"
currency: GBP
in_stock: true
category: "Office Product"
url: https://www.desertcart.co.uk/products/50640596-9x12-3-poly-mailer-plastic-shipping-mailing-bags-envelope-polybag
store_origin: GB
region: United Kingdom
---

# 9"x12" #3 Poly Mailer Plastic Shipping Mailing Bags Envelope Polybag 2 Mil 50 Pack

**Brand:** shipping supply warehouse
**Price:** £17.03
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 9"x12" #3 Poly Mailer Plastic Shipping Mailing Bags Envelope Polybag 2 Mil 50 Pack by shipping supply warehouse
- **How much does it cost?** £17.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/50640596-9x12-3-poly-mailer-plastic-shipping-mailing-bags-envelope-polybag)

## Best For

- shipping supply warehouse enthusiasts

## Why This Product

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

## Description

Our high quality and light weight poly mailers are made with a polyethylene outer layer which provides superior tear, puncture and spill resistance. Whether you’re packaging fine china or electronics, our poly mailers extend to maintain maximum product protection regardless of the circumstances.

## Features

- Water and dirt resistant exterior - Product remains untarnished during shipment
- Strong adhesive closure - Provides a permanent seal for added security
- Smooth inner surface - Allows product to slide in easily for efficient packaging

## Images

![9"x12" #3 Poly Mailer Plastic Shipping Mailing Bags Envelope Polybag 2 Mil 50 Pack - Image 1](https://images-na.ssl-images-amazon.com/images/I/41o0qXJyqtL.jpg)

---

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**Shop now:** [https://www.desertcart.co.uk/products/50640596-9x12-3-poly-mailer-plastic-shipping-mailing-bags-envelope-polybag](https://www.desertcart.co.uk/products/50640596-9x12-3-poly-mailer-plastic-shipping-mailing-bags-envelope-polybag)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-04*