Envelope Types Guide: 18 Common Styles for Printing & Mailing #1398846 (License: Personal Use)

This comprehensive diagram displays 18 standardized envelope formats used in commercial printing and direct mail, including functional variants like Window, Baronal, Metal Clasp, and Coin envelopes. Each outline is precisely rendered in blue line art against a dark background, with descriptive labels beneath for easy reference by graphic designers, stationery suppliers, and postal professionals.

Used on print design resource pages, packaging guides, or mailing service websites to help users select appropriate envelope types for specific applications (e.g., invoices, invitations, catalogs). Matches user intent for educational, B2B procurement, or design workflow support.