---
product_id: 289455247
title: "12x15.5 Inches 100% Biodegradable D2W Poly Mailers, 50pcs Black Compostable Envelopes Shipping Bags, Eco Friendly Waterproof Stretchable Self Sealing Mailing Bags"
brand: "ywduoying"
price: "1439771₫"
currency: VND
in_stock: true
reviews_count: 11
category: "Ywduoying"
url: https://www.desertcart.vn/products/289455247-12x15-5-inches-100-biodegradable-d2w-poly-mailers-50pcs-black
store_origin: VN
region: Vietnam
---

# Perfect 12x15.5 inch size for versatile shipping 100% biodegradable in 3-6 months Durable, stretchable & puncture-resistant 12x15.5 Inches 100% Biodegradable D2W Poly Mailers, 50pcs Black Compostable Envelopes Shipping Bags, Eco Friendly Waterproof Stretchable Self Sealing Mailing Bags

**Brand:** ywduoying
**Price:** 1439771₫
**Availability:** ✅ In Stock

## Summary

> ♻️ Ship Smart, Ship Green — Because Your Brand Deserves the Future

## Quick Answers

- **What is this?** 12x15.5 Inches 100% Biodegradable D2W Poly Mailers, 50pcs Black Compostable Envelopes Shipping Bags, Eco Friendly Waterproof Stretchable Self Sealing Mailing Bags by ywduoying
- **How much does it cost?** 1439771₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/289455247-12x15-5-inches-100-biodegradable-d2w-poly-mailers-50pcs-black)

## Best For

- ywduoying enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Impact Champion:** Transforms into fertilizer in just months, leaving zero harmful residue ♻️
- • **Seal the Deal with Confidence:** Self-sealing adhesive ensures tamper-proof, secure shipping every time 🔒
- • **Versatile Size for Every Shipment:** Ideal for clothes, documents, gifts, and more — all in one sleek black mailer 📏
- • **Built to Last, Designed to Stretch:** Withstands tough handling and doubles in length without tearing 🛡️
- • **Tailored for Your Brand’s Green Promise:** Impress customers with sustainable packaging that elevates your brand image 🌿

## Overview

These 12x15.5 inch black poly mailers are 100% biodegradable, made from d2w gum-based raw materials that break down in 3-6 months composting or disappear in landfills within 15-18 months. They feature durable, stretchable, and puncture-resistant construction with a secure self-sealing adhesive, perfect for shipping non-breakable items. Eco-friendly and food-safe, these mailers enhance your brand’s sustainability image while providing reliable protection for your shipments.

## Description

12x15.5 Inches 100% Biodegradable D2W Poly Mailers, 50pcs Black Compostable Envelopes Shipping Bags, Eco Friendly Waterproof Stretchable Self Sealing Mailing Bags

Review: Super sturdy! - These are great! Nice heavy plastic and good adhesive seals them well.
Review: Eco Friendly and Practical - These poly mailers have been working great for shipping orders. The size is perfect, they hold up well, and I really like that they’re biodegradable. Customers have appreciated the eco friendly effort, which is a big plus for me.

## Features

- 100% BIODEGRADABLE MAILER - I’m a 100% Compostable Mailer made from d2w raw material extracted from gum, which can breaks down in any home or commercial compost in 3-6 months! I'll transform into fertilizers completely with no harmful residue. Within 15-18 months in landfills, I'll disappear even if you don't compost me.
- 100% SAFETY - The biodegradable mailer has passed the ecotoxicity test, and can be in contact with food for a long time. It does not contain organic chlorine or heavy metals.
- PERFECT SIZE - 12" x 15.5" PACKAGING BAGS FOR SHIPPING - Suitable for Clothes, Documents, Gifts, Books, Accessories and other Non Breakable Items.
- DURABLE STRETCHY & STRONG - It can withstand many anti puncture experiments, and is very durable. Use destructive hot melt adhesive, can only open the mailers by destroying it,It can also stretch out double the length and has stronger toughness. The biodegradeble d2w mailer with handle is your best choice in express packaging.
- BETTER BRAND IMAGE: Your customers will be surprised and relieved to open a shipping bags of Eco friendly materials. Using biodegradable express bags will make your customers feel your sense of social responsibility and high quality of the brand, thus shorten the distance between enterprises and customers and obtaining more orders.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XWZL3XR |
| Best Sellers Rank | #28,014 in Office Products ( See Top 100 in Office Products ) #231 in Envelope Mailers |
| Brand | ywduoying |
| Closure | Self-Seal |
| Color | black-1 |
| Customer Reviews | 4.8 4.8 out of 5 stars (406) |
| Date First Available | March 3, 2021 |
| Item Weight | 1.65 pounds |
| Item model number | 12121 |
| Manufacturer | ywduoying |
| Manufacturer Part Number | 12121 |
| Number of Items | 50 |
| Product Dimensions | 15.5 x 12 x 0.01 inches |
| Shape | Rectangular |
| Size | 12x15.5 |

## Product Details

- **Brand:** ywduoying
- **Closure Type:** Self-Seal
- **Color:** black-1
- **Number of Items:** 50
- **Occasion:** everyday mailing

## Images

![12x15.5 Inches 100% Biodegradable D2W Poly Mailers, 50pcs Black Compostable Envelopes Shipping Bags, Eco Friendly Waterproof Stretchable Self Sealing Mailing Bags - Image 1](https://m.media-amazon.com/images/I/51uk5tQLTZL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the thickness of the bag in mil?**
A: They are not particularly thin, Average and they are as durable as any ive used. Customers love them

**Q: How How many tshirt could you fit in a bag? many tshirt could you fit in a bag?**
A: Depending on size maybe 2 or three

**Q: Can I use this to mail a shoe box without damaging the box?**
A: I love this mailer! I would not use it for the purpose of mailing a shoe box. Shoe boxes vary in size and construction, and I don't think most would fit in this size. Further this light weight mailer is very durable, but would not offer protection against crushing or damage during shipping.

**Q: Does this fit USPS standards?**
A: I order this product in tropical leaves and had no problems with delivery.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Super sturdy!
*by A***D on January 19, 2026*

These are great! Nice heavy plastic and good adhesive seals them well.

### ⭐⭐⭐⭐⭐ Eco Friendly and Practical
*by R***. on December 22, 2025*

These poly mailers have been working great for shipping orders. The size is perfect, they hold up well, and I really like that they’re biodegradable. Customers have appreciated the eco friendly effort, which is a big plus for me.

### ⭐⭐⭐⭐⭐ Lovely good quality mailers!
*by M***E on April 21, 2025*

These are great! I absolutely love them. I love the handles on them and the gold thank you logo. The adhesive is strong. They are sold at a great price. 100% recommendation this product!

## Frequently Bought Together

- 12x15.5 Inches 100% Biodegradable D2W Poly Mailers, 50pcs Black Compostable Envelopes Shipping Bags, Eco Friendly Waterproof Stretchable Self Sealing Mailing Bags
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**Shop now:** [https://www.desertcart.vn/products/289455247-12x15-5-inches-100-biodegradable-d2w-poly-mailers-50pcs-black](https://www.desertcart.vn/products/289455247-12x15-5-inches-100-biodegradable-d2w-poly-mailers-50pcs-black)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-16*