Understanding North American
Envelopes

Envelopes come in so many styles and formats, that it would be difficult to attempt to list them all.
Add to that an endless variety of paper stocks, finishes, thicknesses and levels of durability.

Some come with protective padding, security features and windows while others are designed
for specific methods of shipping, like airmail envelopes.

The following guide lists the most common types to help you make the appropriate choice for
your design projects.

North American Envelope Types