---
product_id: 587788278
title: "UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs"
brand: "ucgou"
price: "¥26437"
currency: JPY
in_stock: true
reviews_count: 5
category: "Ucgou"
url: https://www.desertcart.jp/products/587788278-ucgou-19x24-inch-black-poly-mailers-premium-shipping-envelopes-mailers
store_origin: JP
region: Japan
---

# 19x24 inch large size Strong self-adhesive seal Waterproof & tear-proof durability UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs

**Brand:** ucgou
**Price:** ¥26437
**Availability:** ✅ In Stock

## Summary

> 📦 Seal the deal with style and security!

## Quick Answers

- **What is this?** UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs by ucgou
- **How much does it cost?** ¥26437 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/587788278-ucgou-19x24-inch-black-poly-mailers-premium-shipping-envelopes-mailers)

## 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

- • **Heavy-Duty Protection:** Thick polyethylene construction resists punctures, tears, and moisture to keep your goods safe and pristine.
- • **Boost Brand Recognition:** Opaque black with gray lining protects privacy while making your shipments instantly recognizable and memorable.
- • **Streamline Your Shipping:** No extra packaging needed—lightweight yet durable mailers save time and reduce shipping costs for busy pros.
- • **All-Weather Seal Security:** Four-season adhesive ensures your packages stay sealed tight rain or shine, preventing tampering and loss.
- • **Stand Out with Sleek Black:** Elevate your brand with premium black poly mailers that break the white envelope monotony and boost unboxing appeal.

## Overview

UCGOU 19x24 inch black poly mailers offer a premium shipping solution with durable, waterproof, and tear-resistant polyethylene construction. Featuring a strong, four-season self-adhesive strip, these 50-pack mailers ensure secure, tamper-proof sealing in any weather. Their sleek black opaque design enhances brand visibility and privacy, making them ideal for small to medium businesses shipping soft goods efficiently and professionally.

## Description

UCGOU 19x24" Black Poly MailersWe UCGOU is the professional manufacturer specializing in producing all sorts of poly mailers and bubble mailers. Sustainable innovation is our unremitting pursuit. Only for non-frigle items UCGOU poly envelopes are made of heavy duty 100% virgin plastic, which have a good stretch, lightweight and water and tear resistant. The poly bags is light enough, not to add too much to weight in first class packages but thick enough to feel that your products are safe when inside. However, the most important is the poly mailers are only suitable for non-frigle items or soft ones like quilt. Enhence Company Image and Your BrandTape, wrapping film and corrugated cardboard box......This is too much trouble when you prepare to ship somethings. It's time to say bye to the troublesome!! Come to UCGOU! Send your package in clean, simple but grand style which would help to upgrade your company professional image. Believe us. Poly mailers with bright and pure color will allow customers to easily identify their orders from your shop when they arrive in their mail.

Review: Sturdy Poly Mailer Bags
Review: Great bags good quality

## Features

- Eye Catching Poly Mailers: The size of the bags is 19x24 inches. The black is an attractive color that makes your products stand out of standard 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 | B085DZ8GCP |
| Brand | UCGOU |
| Brand Name | UCGOU |
| Closure Type | Self-Seal |
| Colour | Black |
| Country of Origin | USA |
| Customer Reviews | 4.8 out of 5 stars 3,549 Reviews |
| Item Dimensions L x W | 61L x 48.3W Centimeters |
| Item Height | 0.01 Inches |
| Item Shape | Rectangular |
| Manufacturer | UCGOU |
| Material | Plastic |
| Material Type | Plastic |
| Number of Items | 50 |
| Occasion | Graduation |
| Occasion Type | Graduation |
| Recommended Uses For Product | Invitation Card, Letter |
| Size | 19x24 Inch |
| Special Features | Lightweight |
| Style Name | Regular |
| Unit Count | 50.0 Count |

## Product Details

- **Brand:** UCGOU
- **Closure Type:** Self-Seal
- **Colour:** Black
- **Material:** Plastic
- **Occasion:** Graduation

## Images

![UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs - Image 1](https://m.media-amazon.com/images/I/416tXiUTaKL.jpg)
![UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs - Image 2](https://m.media-amazon.com/images/I/51FWnOn+GDL.jpg)
![UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs - Image 3](https://m.media-amazon.com/images/I/51TAPhLUryL.jpg)
![UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs - Image 4](https://m.media-amazon.com/images/I/61VaeXlZTkL.jpg)
![UCGOU 19x24 Inch Black Poly Mailers Premium Shipping Envelopes Mailers Bags with Self Adhesive Strip Waterproof and Tear-Proof Postal Bags 50Pcs - Image 5](https://m.media-amazon.com/images/I/61lg+BXP9hL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sturdy Poly Mailer Bags
*by K***S on 27 November 2025*



### ⭐⭐⭐⭐⭐ Great bags good quality
*by D***T on 30 December 2025*



### ⭐⭐⭐⭐⭐ Amazing quality bags
*by L***Q on 9 October 2025*



---

## 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.jp/products/587788278-ucgou-19x24-inch-black-poly-mailers-premium-shipping-envelopes-mailers](https://www.desertcart.jp/products/587788278-ucgou-19x24-inch-black-poly-mailers-premium-shipping-envelopes-mailers)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-24*