Packing List Envelopes for E-Commerce: A Simple Guide

What Is a Packing List Envelope?

A packing list envelope is a clear adhesive pouch attached to the outside of a package.
It holds:

• Packing slips

• Invoices

• Shipping labels

• Return forms

Customs documents

These envelopes protect paperwork from water, tearing, and loss during transit.

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Why E-Commerce Uses Them

• Document protection
• Faster carrier scanning
• Fewer shipping errors
• Professional presentation
• Better customer experience

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Most Common Sizes

• 4.5" x 5.5" — Small slips

• 6" x 10" — Half-folded letter paper (most popular in e-commerce)

• 9.5" x 6.7" — Large B2B or customs forms

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Types of Packing List Envelopes

• Clear (Full View): Documents fully visible

• Printed (“Packing List Enclosed”): High visibility for carriers

• Back-Load: Maximum protection

• Top-Load: Quick document insertion

• Permanent adhesive: Best for shipping

• Resealable: For internal warehouse use

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How to Choose the Right One

• Check document size

• Choose clear or printed depending on visibility needs

• Use permanent adhesive for all shipped packages

• Pick waterproof, tear-resistant material

• Select a size consistent with your order paperwork