Discover high-quality black poly mailers designed for secure and private mailing, delivery packaging, and apparel transport. These durable express envelope bags feature a convenient self-adhesive seal and reliable protection against moisture, dust, and tears during transit.

Product Overview

Our poly mailing bags offer robust protection for your shipments while maintaining a lightweight profile to help reduce shipping costs. Designed for professional use, they provide excellent privacy and physical security for a wide variety of items.

• Self-adhesive seal for fast, secure closure without tape
• Waterproof and moisture-resistant construction
• Tear-proof, puncture-resistant, and dust-resistant material
• Lightweight design to minimize shipping expenses
• High privacy opacity for secure content delivery

Technical Specifications

Review the technical specifications for these poly mailer shipping bags:

• Product Name: Express Envelope Bags / Poly Material Custom Mailing Bags
• Application & Usage: Mailing Ad Packaging, Delivery Package
• Sealing & Handle: Self-adhesive Seal
• Material: Poly
• Feature: High privacy, environmentally friendly, waterproof, dustproof, safety, tear-resistant
• Available Sizes: 6x9 Inch, 10x13 Inch, 19x24 Inch, 14.5x19 Inch
• Thickness Options: 1 mil, 1.5 mil, 2 mil, 2.5 mil, 3 mil, 4 mil
• Customization: Silk screen printing, custom logo printing, embossing/debossing

Use Cases

These versatile mailers are ideal for e-commerce shipping, boutique apparel delivery, mailing promotional advertising materials, document dispatch, and everyday business logistics where secure, waterproof containment is essential.

Frequently Asked Questions

What items can I ship using these poly mailers?

They are ideal for shipping apparel, soft goods, documents, and various non-fragile items requiring dependable protection against moisture and dust.

Are these mailing bags waterproof?

Yes, the poly construction provides waterproof and moisture-resistant protection to keep contents safe from rain and damp conditions during transit.

How do I seal the envelope bags?

Each bag features a convenient self-adhesive seal strip. Simply peel off the protective liner and fold over to create a secure, tamper-evident closure.

Can I get custom printing on these poly bags?

Yes, custom logo printing and silk screen printing options are available for customized orders.