---
product_id: 38991786
title: "SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers"
brand: "sjpack"
price: "$222523"
currency: COP
in_stock: true
reviews_count: 13
category: "Sjpack"
url: https://www.desertcart.co/products/38991786-sjpack-100pcs-14-5x19-poly-mailers-2-5-mil-envelopes
store_origin: CO
region: Colombia
---

# 14.5x19 inch size Strong self-sealing adhesive 2.5 mil tear-resistant thickness SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers

**Brand:** sjpack
**Price:** $222523
**Availability:** ✅ In Stock

## Summary

> 📦 Seal it, ship it, secure it — mail like a pro!

## Quick Answers

- **What is this?** SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers by sjpack
- **How much does it cost?** $222523 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/38991786-sjpack-100pcs-14-5x19-poly-mailers-2-5-mil-envelopes)

## Best For

- sjpack enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Waterproof:** 2.5 mil thick, tear-resistant poly mailers protect contents from water and rough handling.
- • **Privacy-First Design:** Opaque black inner lining keeps your shipments confidential and secure.
- • **Effortless Seal & Ship:** Hot-melt adhesive strip ensures a secure, tamper-proof seal—no extra tape needed.
- • **Lightweight & Convenient:** Slim, flexible design reduces shipping weight and maximizes transport efficiency.
- • **Bulk Ready & Cost-Effective:** 100-pack supply perfect for scaling your mail order business without breaking the bank.

## Overview

SJPACK 100pcs 14.5x19 inch poly mailers feature a durable 2.5 mil thickness with a waterproof, tear-resistant design. Their opaque white exterior and black inner lining ensure privacy, while the strong self-sealing adhesive strip guarantees tamper-proof closure. Ideal for professional mail order businesses, these lightweight envelopes offer reliable protection and convenience in bulk quantities.

## Description

desertcart.com : SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers : Office Products

Review: Good Quality - Came exactly as described. A good size & perfect thickness.
Review: Essential Mailing Envelopes for Mail Order Business! - Wonderful envelopes for mailing bulky items. Durable material. Reasonably priced. Great staple for mail order business. Items have waterproof protection for shipping.

## Features

- Size: Poly mailers 14.5x19 inches, 100 pcs.
- Protect Your Privacy: These poly mailers are white outer surface and black inner lining, so its opacity prevents prying eyes.
- Strong Adhesive: Closure seals of the poly package is not ability to open before packaging arrived. The hot-melt adhesive can maintain strong stickiness throughout the year, you no need reinforcement tape.
- Waterproof: Waterproof shipping bags keep your gifts as good as new. Our shipping envelopes are tear-resistant and won't break when stretched hard.
- Convenient transportation: The SJPACK poly pouch has a thickness of 2.5 mils and is used for shipping soft goods. It is lightweight and convenient for transportation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01M8M5YE8 |
| Best Sellers Rank | #36,879 in Office Products ( See Top 100 in Office Products ) #128 in Bulk Envelope Mailers #276 in Envelope Mailers |
| Brand | SJPACK |
| Closure | Self-Seal |
| Color | white |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,151) |
| Date First Available | October 24, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.5 pounds |
| Item model number | B01M8M5YE8 |
| Manufacturer | SJPACK |
| Manufacturer Part Number | B01M8M5YE8 |
| Material Type | Plastic |
| Number of Items | 100 |
| Product Dimensions | 14.5 x 11 x 0.8 inches |
| Shape | Rectangular |
| Size | 100 Bags |

## Product Details

- **Brand:** SJPACK
- **Closure Type:** Self-Seal
- **Color:** white
- **Material:** Plastic
- **Occasion:** Everyday Mailing

## Images

![SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers - Image 1](https://m.media-amazon.com/images/I/61yrwSrSU+L.jpg)
![SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers - Image 2](https://m.media-amazon.com/images/I/71xXkZorwmL.jpg)
![SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers - Image 3](https://m.media-amazon.com/images/I/716cIXFyEwL.jpg)
![SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers - Image 4](https://m.media-amazon.com/images/I/71wQ4lwy79L.jpg)
![SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers - Image 5](https://m.media-amazon.com/images/I/71CT0HeEV0L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Quality
*by M***Y on December 21, 2025*

Came exactly as described. A good size & perfect thickness.

### ⭐⭐⭐⭐⭐ Essential Mailing Envelopes for Mail Order Business!
*by P***M on February 2, 2026*

Wonderful envelopes for mailing bulky items. Durable material. Reasonably priced. Great staple for mail order business. Items have waterproof protection for shipping.

### ⭐⭐⭐⭐⭐ Sturdy mailing envelopes
*by C***V on June 29, 2025*

Great envelopes. They hold a lot, are strong, and have a self-seal. I am on my second pack of them.

## Frequently Bought Together

- SJPACK 100pcs 14.5x19 Poly Mailers 2.5 Mil Envelopes Shipping Bags With Self Sealing Strip, White Poly Mailers
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**Shop now:** [https://www.desertcart.co/products/38991786-sjpack-100pcs-14-5x19-poly-mailers-2-5-mil-envelopes](https://www.desertcart.co/products/38991786-sjpack-100pcs-14-5x19-poly-mailers-2-5-mil-envelopes)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-11*