Switch Market:
» International

» Overview
» Glossary
» FAQs
» Mail Folding Tips
» Envelope Tips
» Addressing Tips
» Links
Common envelope sizes
|
# |
Envelope size (inches) |
8 |
3 5/8 X 6 1/2 |
8 1/2 |
3 3/4 X 6 3/4 |
9 Old |
4 X 9 |
9 New |
3 7/8 X 8 7/8 |
10 |
4 1/8 X 9 1/2 |
11 |
4 1/2 X 9 5/8 |
14 |
5 X 11 1/2 |
A-2 |
4 3/8 X 5 3/4 |
A-6 |
4 3/4 X 6 1/2 |
A-7 |
5 1/4 X 7 1/4 |
![]() |
![]() |
Open Side (OS) |
Open End (OE) * |
![]() |
![]() |
Double Side Seam (DSS) |
Cross Back (CB) |
![]() |
![]() |
Center Seam (CS) |
Gussett * Folds that allow the envelope to expand like and accordion for bulky objects |
![]() |
![]() |
| VFlap * | Regular Flap |
![]() |
![]() |
| Square Flap * | Wallet Flap * |
* Please note additional hand insertion charges may apply when choosing non-machinable envelopes.