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.