---
product_id: 145660304
title: "Large Poly Mailers 19x24 Inch White 50 Pack Extra Large Shipping Bags Strong Thick Mailing Envelopes Self Seal Adhesive Waterproof and Tear Proof Boutique Postal for Clothing Quilt and More"
brand: "ucgou"
price: "S$43"
currency: SGD
in_stock: true
reviews_count: 13
category: "Ucgou"
url: https://www.desertcart.sg/products/145660304-large-poly-mailers-19x24-inch-white-50-pack-extra-large
store_origin: SG
region: Singapore
---

# 19x24 inch extra-large size Strong year-round self-seal adhesive Waterproof & tear-proof durability Large Poly Mailers 19x24 Inch White 50 Pack Extra Large Shipping Bags Strong Thick Mailing Envelopes Self Seal Adhesive Waterproof and Tear Proof Boutique Postal for Clothing Quilt and More

**Brand:** ucgou
**Price:** S$43
**Availability:** ✅ In Stock

## Summary

> 🚀 Ship Smart, Seal Strong, Stand Out!

## Quick Answers

- **What is this?** Large Poly Mailers 19x24 Inch White 50 Pack Extra Large Shipping Bags Strong Thick Mailing Envelopes Self Seal Adhesive Waterproof and Tear Proof Boutique Postal for Clothing Quilt and More by ucgou
- **How much does it cost?** S$43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/145660304-large-poly-mailers-19x24-inch-white-50-pack-extra-large)

## Best For

- ucgou enthusiasts

## Why This Product

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

## Key Features

- • **All-Weather Seal:** Four-season adhesive guarantees a rock-solid seal in heat, cold, rain, or shine—no compromises.
- • **Effortless Packaging:** Self-seal design eliminates extra tape or glue, boosting your packing speed and productivity.
- • **Unmatched Protection:** Opaque milky white poly with tear-resistant material ensures privacy and security during transit.
- • **Elevate Your Brand Presence:** Bright, clean white finish makes your shipments stand out and leaves a lasting impression.
- • **Maximize Your Shipping Space:** Generous 19x24 inch size fits bulky items like hoodies, quilts, and more with ease.

## Overview

UCGOU Large Poly Mailers are 19x24 inch extra-large, milky white, opaque shipping bags designed for durability and privacy. Featuring thick polyethylene construction, waterproof and tear-proof reinforcement, and a strong self-sealing adhesive that works year-round, these 50-pack mailers are perfect for safely shipping clothing, quilts, and bulky items while enhancing brand visibility.

## Description

desertcart.com : UCGOU Large Poly Mailers 19x24 Inch White 50 Pack Extra Large Shipping Bags Strong Thick Mailing Envelopes Self Seal Adhesive Waterproof and Tear Proof Boutique Postal for Clothing Quilt and More : Office Products

Review: Good shipping bags - Perfect size for shipping items Nice and sturdy too.
Review: Good size and adhesive - Good size. Nice sturdy adhesive, no issues thus far. Will buy again.

## Features

- Milky White Poly Mailers: The size of the bags is 19x24 inches. These poly mailers are milky white, which differ from the normal white poly mailers. With gray inner lining, these poly mailers are opaque. Used tear resistant material, UCGOU poly mailers can not only protect your privacy well during transportation, but also keep your goods arriving safely
- Strong Self Sealing Adhesive: Our mailing envelopes is using four season adhesive, which can maintain strong stickiness throughout the year, even if the weather is very hot or cold. The strong stickiness prevents your items from being secretly replaced during transportation. The adhesive is covered with silver strip, which are easily peel off the strip and seal the bag
- Sturdy and Durable Construction: The thicken shipping bags covers with polyethylene material, making them not easily punctured and damaged. Beside, the shipping bags features with excellent waterproof and tearing proof effects because of the reinforce sealing on the edge. They can keep your value stuff safely to destination even though using on foggy or rainy days
- Convenient and Easy to Use: These poly shipping bags are the perfect choice for small and middle business for easily using with not require extra packaging material, which can improve your company productivity at work, save much time. It is very suitable to transport for hoodies, sweatshirt, clothes, quilt and more
- Enhance Brand Influence: Bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily lost. Beautiful colors can also make your customers happy and enhance your brand influence. We have been committed to making better products to serve our customers, so that their business can get better and better

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QG5N1FQ |
| Additional Features | Waterproof |
| Best Sellers Rank | #4,087 in Office Products ( See Top 100 in Office Products ) #52 in Envelope Mailers |
| Brand Name | UCGOU |
| Closure Type | Self-Seal |
| Color | White |
| Customer Reviews | 4.8 4.8 out of 5 stars (2,902) |
| Item Dimensions L x W | 24"L x 19"W |
| Item Shape | Rectangular |
| Manufacturer | UCGOU |
| Material Type | Plastic |
| Number of Items | 50 |
| Occasion | Everyday Mailing |
| Size | 19x24 50PC |
| Style | Poly |
| UPC | 743070938773 |

## Product Details

- **Brand:** UCGOU
- **Closure Type:** Self-Seal
- **Color:** White
- **Material:** Plastic
- **Occasion:** Everyday Mailing

## Images

![Large Poly Mailers 19x24 Inch White 50 Pack Extra Large Shipping Bags Strong Thick Mailing Envelopes Self Seal Adhesive Waterproof and Tear Proof Boutique Postal for Clothing Quilt and More - Image 1](https://m.media-amazon.com/images/I/61cM-rb3J2L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good shipping bags
*by N***K on January 18, 2026*

Perfect size for shipping items Nice and sturdy too.

### ⭐⭐⭐⭐⭐ Good size and adhesive
*by S***A on January 18, 2026*

Good size. Nice sturdy adhesive, no issues thus far. Will buy again.

### ⭐⭐⭐⭐⭐ very good quality!
*by T***. on March 19, 2026*

these came sized correctly as described the color is nice and subtle perfect for my brand very easy to seal up just take the cover off the adhesive line everything up and apply pressure to form a seal bada bing bada boom!!

## Frequently Bought Together

- UCGOU Large Poly Mailers 19x24 Inch White 50 Pack Extra Large Shipping Bags Strong Thick Mailing Envelopes Self Seal Adhesive Waterproof and Tear Proof Boutique Postal for Clothing Quilt and More
- Metronic Poly Mailers 14.5x19 100 Pcs Large Shipping Bags for Clothing Mailing Bags with Strong Self-sealing Adhesive Waterproof and Tear-Proof Postal Bags in White
- Scotch Heavy Duty Shipping Packing Tape, Clear, Holiday Shipping Supplies, 1.88 in. x 22.2 yd., 6 Tape Rolls with Dispensers

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**Shop now:** [https://www.desertcart.sg/products/145660304-large-poly-mailers-19x24-inch-white-50-pack-extra-large](https://www.desertcart.sg/products/145660304-large-poly-mailers-19x24-inch-white-50-pack-extra-large)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-05-18*