---
product_id: 576865142
title: "10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil"
brand: "ecoswift"
price: "£3.65"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/576865142-10-ecoswift-12-x-16-white-large-poly-mailer-size
store_origin: GB
region: United Kingdom
---

# 12x16 inches - perfect large size Self-sealing tear strip - secure closure 1.7 mil thickness - puncture & tamper resistant 10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil

**Brand:** ecoswift
**Price:** £3.65
**Availability:** ✅ In Stock

## Summary

> 📦 Ship smart, ship secure — the mailer that means business!

## Quick Answers

- **What is this?** 10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil by ecoswift
- **How much does it cost?** £3.65 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/576865142-10-ecoswift-12-x-16-white-large-poly-mailer-size)

## Best For

- ecoswift enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Ready:** Pack of 10 mailers keeps your shipping game strong and consistent
- • **Durable Defense:** 1.7 mil thick poly material guards against punctures, tampering, and water damage
- • **Effortless Security:** Self-sealing tear strip ensures quick, reliable closure every time
- • **Eco-Conscious Choice:** Lightweight design reduces shipping costs and environmental impact
- • **Spacious & Versatile:** Generous 12x16 inch size fits a wide range of items with ease

## Overview

The EcoSwift 12x16 White Large Poly Mailer Size #5 offers a robust 1.7 mil thick, puncture and tamper-resistant design with a self-sealing tear strip for secure, hassle-free shipping. Ideal for professionals seeking reliable, eco-friendly packaging solutions in a convenient 10-pack.

## Description

10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil

## Features

- Size: #5(1.7)
- Dimensions: 12" x 16
- Puncture, Tamper, and Water Resistant Poly Mailer
- Self-Sealing Tear Strip for Secure Closure
- Quantity: 10

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | EcoSwift |
| Country of Origin | India |
| Item model number | 10 poly #5(1.7) |
| Product Dimensions | 22.86 x 15.24 x 1.27 cm; 122.47 g |
| ASIN | B09QLCYCCK |

## Product Details

- **Brand:** EcoSwift
- **Colour:** Gray
- **Closure Type:** Self-Seal
- **Occasion:** everyday mailing
- **Material:** Plastic

## Images

![10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil - Image 1](https://m.media-amazon.com/images/I/312+gsnvL3L.jpg)
![10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil - Image 2](https://m.media-amazon.com/images/I/31ieFHDtAhL.jpg)
![10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil - Image 3](https://m.media-amazon.com/images/I/31Po1R0YSqL.jpg)

## Frequently Bought Together

- 10 EcoSwift 12 x 16 White Large Poly Mailer Size #5 Self Sealing Envelopes Plastic Shipping Mailing Bags 12x16 1.7 mil
- Scotch Heavy Duty Shipping Packaging Tape, 1.88" x 27.7 yd, Great for Packing, Shipping & Moving, Clear, 1 Dispensered Roll (142L)
- 17.7 X 22 Inches Poly Mailers，Large Self-Sealing Shipping Envelopes Water Resistant Plastic Mailing Bags 10 Pcs

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**Shop now:** [https://www.desertcart.co.uk/products/576865142-10-ecoswift-12-x-16-white-large-poly-mailer-size](https://www.desertcart.co.uk/products/576865142-10-ecoswift-12-x-16-white-large-poly-mailer-size)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-21*