# Custom Poly Mailer Envelope Co-Extruded LDPE Shipping Mailing Bag

Discover high-quality Custom Envelope Poly Mailing Bags designed for secure shipping, professional packaging, and reliable daily delivery needs. Manufactured from durable co-extruded LDPE material, these mailers offer exceptional strength, ensuring your items remain protected during transit.

## Overview & Key Features

Our custom mailing bags combine professional-grade durability with practical functionality. They feature a high-slip poly material that allows for fast, easy product insertion, saving valuable time during packing operations. The robust self-adhesive seal utilizes a strong hot-melt destructive glue closure, making the bags exceptionally safe and impossible to open without visible damage.

-   Sturdy co-extruded LDPE materials with firm edge sealing that is difficult to break
-   High-slip interior surface for quick and effortless product insertion
-   Secure self-adhesive peel-and-seal closure with destructive glue for enhanced tamper resistance
-   Customizable printing options supporting gravure printing from 0 to 10 colors, including CMYK or Pantone colors

## Product Specifications

Review the key technical specifications for our custom envelope poly mailing bags:

-   **Material:** Co-EX LDPE
-   **Thickness:** 3.5 mil or customized per customer demand
-   **Available Sizes:** 6x10 Inches, 10x13 Inch, 15\*25 Inches, A3/A4/A5 Size, or custom sizing with a maximum length of 65+10CM
-   **Color Options:** Rose Gold, Blue, Purple, Green, Gold, Yellow, and customized colors
-   **Sealing Type:** Self-adhesive seal with destructive glue
-   **Certificates:** ISO14001: 2015, ISO9001: 2015, BSCI, SGS

## Industrial Applications & Use Cases

These versatile poly mailing bags are ideal for a wide range of industrial, retail, and commercial packing applications. They provide reliable protection for apparel, clothing, mobile phones, electronic products, photo frames, cosmetics, jewelry, and general mailing or courier deliveries.

## Frequently Asked Questions

### What materials are used to make these poly mailers?

These mailers are constructed from durable co-extruded LDPE (Low-Density Polyethylene) material, providing a sturdy and protective barrier for your shipments.

### Can I order custom sizes and colors for my business?

Yes, custom sizes, thicknesses, and colors—including rose gold, blue, purple, green, gold, and yellow—are fully supported alongside custom logo printing.

### How secure is the closure on these mailing bags?

The bags feature a reliable self-adhesive peel-and-seal closure equipped with destructive glue, ensuring a permanent and secure seal that cannot be opened without breaking.

### What printing methods are available for custom branding?

We support gravure printing from 0 to 10 colors, accommodating both CMYK and Pantone color standards to match your exact branding requirements.

### What industries commonly use these packing envelopes?

They are widely used across retail and e-commerce for packing clothes, mobile phones, electronics, cosmetics, jewelry, photo frames, and general mailing packages.

## Details

- **Price:** 0.12 EUR
- **Vendor:** Tidesmit
- **Type:** Poly Mailers
- **Tags:** MAILERS

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Pink / Costomized Size | 0.12 EUR | In stock |
| Pink / 12X15.5+1.57'' | 0.12 EUR | In stock |

## Images

- Pink poly mailer shipping envelope with sealed edge and smooth surface
- Pink poly mailer envelope among assorted colors with water droplets on plastic
- Black shipping envelope with reinforced seams, thumbs-up on the front
- Poly mailer packaging production line in a factory workshop with machines
- Factory building exterior for poly mailer production site
- Group photos at a poly mailer production facility entrance
- Pink poly mailer shipping envelope, flat front with gray seal strip

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> Source: [Tidesmit](https://tidesmit.com/products/custom-pink-for-poly-mailer-plain-co-extruded-express-packing-envelope-durable-shipping-mailing-bag-for-daily-use)
> Updated: 2026-09-18