ENVELOPE SIZE GUIDE

Envelope Sizes by Style

Use this guide to compare common announcement, commercial, catalog, booklet, remittance and donation envelope sizes, along with typical insert dimensions and use cases.

Compare finished envelope dimensions
Match inserts to common envelope styles
Understand which envelope type fits the application
Explore Custom Envelope Printing
Custom envelope printing sizes and styles for business mailing, invitations, documents, remittance and donation envelopes

Common Envelope Types

Use the visual guide below to identify the envelope style you need, then compare the detailed sizes further down the page.

A-style announcement envelope illustration
A-StyleAnnouncements, invitations and cards
Commercial business envelope illustration
CommercialBusiness letters, statements and invoices
Catalog envelope illustration with short-edge flap
CatalogFlat documents and reports
Booklet envelope illustration with long-edge flap
BookletBooklets, catalogs and thicker inserts
Remittance envelope illustration with large return flap
RemittancePayments, donations and returned information
Donation offering and tithe envelope illustration
DonationOfferings, tithes and contributions
Finished SizesSee width and height for common envelope formats
Insert SizesCompare recommended insert dimensions
Style DifferencesUnderstand flap location and common applications
Custom PrintingMMPrint can print envelopes for business and organizational use
Custom A-style envelope printing for business mailing, invitations and announcement cards

A-Style Envelope Sizes

The “A” in A-Style stands for Announcement.

These square-flap envelopes are commonly used with invitations, greeting cards, small booklets and brochures when a more refined presentation is desired.

A2Envelope: 5.75" × 4.375"
Insert: 5.5" × 4.125"
A6Envelope: 6.5" × 4.75"
Insert: 6.25" × 4.5"
A7Envelope: 7.25" × 5.25"
Insert: 7" × 5"
A8Envelope: 8.125" × 5.5"
Insert: 7.875" × 5.25"
A10Envelope: 9.5" × 6"
Insert: 9.25" × 5.75"

Commercial Envelope Sizes

Commercial envelopes are the standard format for everyday business correspondence and mailed documents.

They are commonly used for letters, invoices, statements and other routine business mail. The #10 is one of the most widely used commercial envelope sizes.

#6½Envelope: 6.25" × 3.5625"
Insert: 6" × 3.325"
#6¾Envelope: 6.5" × 3.5"
Insert: 6.25" × 3.325"
#7¾Envelope: 7.5" × 3.875"
Insert: 7.5" × 3.625"
#9Envelope: 8.875" × 3.875"
Insert: 8.625" × 3.625"
#10Envelope: 9.5" × 4.125"
Insert: 9.25" × 3.875"
Number 10 business envelope printing for invoices, statements and commercial correspondence
9 by 12 catalog envelope printing for business documents, reports and flat mailing materials

Catalog Envelope Sizes

Catalog envelopes are designed for larger documents that should remain flat rather than folded.

Catalog envelopes have the flap along the shorter side and are commonly used for documents, reports, catalogs, folders and other flat printed materials.

6" × 9"Envelope: 6" × 9"
Insert: 5.75" × 8.75"
9" × 12"Envelope: 9" × 12"
Insert: 8.75" × 11.75"
10" × 13"Envelope: 10" × 13"
Insert: 9.75" × 12.75"

Booklet Envelope Sizes

Booklet envelopes provide more room for catalogs, booklets, magazines and thicker printed pieces.

Unlike catalog envelopes, booklet envelopes have the flap along the long edge. They work well for booklets, catalogs, magazines, presentation materials and similar inserts.

6" × 9"Envelope: 6" × 9"
Insert: 5.75" × 8.75"
9" × 12"Envelope: 9" × 12"
Insert: 8.75" × 11.75"
10" × 13"Envelope: 10" × 13"
Insert: 9.75" × 12.75"
6 by 9 booklet envelope printing for booklets, catalogs and thicker printed inserts
6 three-quarter remittance envelope printing for donations, payments and nonprofit fundraising

Remittance Envelope Sizes

Remittance envelopes use a large flap that can provide additional space for payment or donor information.

These envelopes are commonly used by religious organizations, nonprofits and fundraising groups for collecting donations, payments and returned information.

#6¾Envelope: 6.5" × 3.625"
Insert: 6.25" × 3.375"
#9Envelope: 8.875" × 3.875"

Donation Envelope Sizes

Donation envelopes are commonly used by religious organizations and nonprofits for collecting contributions.

They may also be called offering, pew or tithe envelopes. This smaller format is intended primarily for in-person collection rather than standard mailing.

#6¼Envelope: 6.25" × 3"
Insert: 6" × 2.75"
Custom church offering, tithe and pew envelope printing for religious organizations

Which Envelope Style Should You Use?

The right envelope depends on the size and thickness of the insert, how the piece will be mailed or distributed, and the presentation you want.

Invitations & Cards

A-style announcement envelopes are a common choice for invitations, greeting cards and smaller premium printed pieces.

Business Correspondence

Commercial envelopes are suited to invoices, statements, letters and other common business-mail applications.

Flat Documents

Catalog and booklet envelopes are useful when larger documents, reports, catalogs or booklets should remain unfolded.

Payments & Donations

Remittance envelopes are designed for collecting information and payments, while donation envelopes are commonly used for offerings and contributions.

Thicker Materials

Booklet envelopes can accommodate thicker printed materials such as magazines, catalogs and presentation kits.

Custom Printed Envelopes

MMPrint can print logos, return addresses, branding and other artwork on many common envelope sizes and styles.

Explore Envelope Printing →

Frequently Asked Questions

What does A-style mean for envelopes?

The “A” stands for Announcement. A-style envelopes typically have a square flap and are commonly used for invitations, greeting cards, brochures and other presentation-oriented mail pieces.

What is the difference between a catalog envelope and a booklet envelope?

Both are used for larger flat inserts, but catalog envelopes have the flap along the short edge while booklet envelopes have the flap along the long edge.

What is a #10 envelope?

A #10 commercial envelope measures 9.5" × 4.125" and is one of the most common sizes for business correspondence.

What is a remittance envelope used for?

Remittance envelopes are designed to collect payments, donations or other information and are commonly used by nonprofits, religious organizations and fundraising programs.

Are donation envelopes the same as offering or tithe envelopes?

Yes. Donation envelopes may also be referred to as offering, pew or tithe envelopes and are commonly used by religious and nonprofit organizations.

Can donation envelopes be mailed through USPS?

The donation envelope size shown in this guide does not meet standard USPS mailing-size requirements and is intended primarily for in-person collection.

CUSTOM ENVELOPE PRINTING

Need Envelopes Printed for Your Organization?

MMPrint can produce custom printed envelopes for business correspondence, direct mail, invitations, donations and other applications.

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