Custom Envelope Styles & Sizes
Here is a guide to some of our styles and sizes for commercial, baronial, open end catalog, open side booklet, and announcement envelopes we carry here at Priority Envelope. You can also download and print our envelope sizes.
If you don't see what you're looking for, contact us directly.
Commercial
Diagonal Seam

Double Side Seam

Style | Envelope Size | Style | Envelope Size |
---|---|---|---|
#6 1/4 | 3 1/2” x 6” | #9 | 3 7/8" x 8 7/8" |
#6 3/4 | 3 5/8” x 6 1/2” | #10 | 4 1/8" x 9 1/2" |
#7 | 3 3/4” x 6 3/4” | #11 | 4 1/2" x 10 3/8" |
#7 3/4 | 3 7/8” x 7 1/2” | #12 | 4 3/4" x 11" |
#8 5/8 | 3 5/8” x 8 5/8” | #14 | 5" x 11 1/2" |
Baronial

Style | Envelope Size | Style | Envelope Size |
---|---|---|---|
4 Baronial | 3 5/8” x 5 1/8” | Belmont | 4 1/4" x 6 1/4" |
5 Baronial | 4 1/8” x 5 1/2” | 6 Belmont | 4 3/4" x 6 1/2" |
Astor | 3 5/8” x 5 5/8” | Lee | 5 1/4" x 7 1/4" |
5 1/2 Baronial | 4 3/8” x 5 3/4” |
Open End Catalog

Style | Envelope Size | Style | Envelope Size |
---|---|---|---|
#7 Glove | 4" x 6 3/8" | #12 1/2 Catalog | 9 1/2” x 12 1/2” |
#1 Scarf | 4 5/8" x 6 3/4" | #13 1/2 Catalog | 10” x 13” |
#3 Scarf | 5" x 7 1/2" | #14 1/2 Catalog | 11 1/2” x 14 1/2” |
#6 Scarf | 5 1/2" x 8 1/4" | #15 Catalog | 10” x 15” |
#1 Catalog | 6" x 9" | #15 1/2 Catalog | 12” x 15 1/2” |
#1 3/4 Catalog | 6 1/2" x 9 1/2" | #10 Policy | 4 1/8” x 9 1/2” |
#3 Catalog | 7" x 10" | #11 Policy | 4 1/2” x 10 3/8” |
#6 Catalog | 7 1/2" x 10 1/2" | #12 Policy | 4 3/4” x 11” |
#9 3/4 Catalog | 8 3/4" x 11 1/4" | #14 Policy | 5” x 11 1/2” |
#10 3/4 Catalog | 9" x 12" |
Open Side Booklet

Style | Envelope Size | Style | Envelope Size |
---|---|---|---|
#3 | 4 3/4” x 6 1/2” | #7 1/2 | 7 1/2” x 10 1/2” |
#5 | 5 1/2” x 8 1/8” | #9 | 8 3/4” x 11 1/2” |
#6 | 5 3/4” x 8 7/8” | #9 1/2 | 9” x 12” |
#6 1/2 | 6” x 9” | #10 | 9 1/2” x 12 5/8” |
#6 3/4 | 6 1/2” x 9 1/2” | #13 | 10” x 13” |
#7 1/4 | 7” x 10 |
Announcements

Styles | Envelope Size | Sheet (Flat Sizes) |
Narrowfold Card (Flat Sizes) |
Broadfold Card (Flat Sizes) |
---|---|---|---|---|
A2 (Square flap) | 4 3/8” x 5 3/4” | 8 1/2” x 11” | 4 1/4” x 11” | 5 1/2” x 8 1/2” |
A6 (Square flap) | 4 3/4” x 6 1/2” | 9” x 12 1/2” | 4 1/2” x 12 1/2” | 6 1/4” x 9” |
A7 (Square flap) | 5 1/4” x 7 1/4” | 10” x 14” | 5” x 14” | 7” x 10” |
A8 (Square flap) | 5 1/2” x 8 1/8” | 10 1/2” x 15 1/2” | 5 1/4” x 15 1/2” | 7 3/4” x 10 1/2” |
A10 (Square flap) | 6” x 9 1/2” | 11 1/2” x 18 1/2” | 5 3/4” x 18 1/2” | 9 1/4” x 11 1/2” |
Slimline (Square flap) | 3 7/8” x 8 7/8” | 7 1/2” x 17 1/4” | 3 3/4” x 17 1/4” | 7 1/2” x 8 5/8” |
