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COMMON ENVELOPE SIZES
Not sure what all those envelope sizes mean?
Here's a list of standard envelope sizes so you'll know exactly which
ones you'll need for your next project.
Commercial/Official
Regular sized envelopes with commercial flap for a host of business and personal correspondence purposes, i.e.,
letterheads, invoices, statements, writings stationery, direct
marketing mailings, etc.
| Envelope | Enclosure | |
| #6 1/4 | 3 1/2" x 6" | 3 1/4" x 5 3/4" |
| #6 1/2 | 3 1/2" x 6 1/2" | 3 1/4" x 6 1/4" |
| #6 3/4 | 3 5/8" x 6 1/2" | 3 1/2" x 6 1/4" |
| #7 | 3 3/4" x 6 3/4" | 3 1/2" x 6 1/2" |
|
#7 3/4 or "Monarch" |
3 7/8" x 7 1/2" | 3 3/4" x 7 1/4" |
| #8 5/8 | 3 5/8" x 8 5/8" | 3 1/2" x 8 3/8" |
| #9 | 3 7/8" x 8 7/8" | 3 3/4" x 8 5/8" |
|
#10 or "Legal Sized" |
4 1/8" x 9 1/2" | 4" x 9 1/4" |
| #11 | 4 1/2" x 10 3/8" | 4 1/4" x 10 1/8" |
| #12 | 4 3/4" x 11" | 4 1/2" x 10 3/4" |
| #14 | 5" x 11 1/2" | 4 3/4" x 11 1/4" |
Side-Seamed
Features attractive styling with specially tapered sealing flap and
throat to add that touch of visual impressiveness and prestige so
essential to correspondence today.
| Envelope | Enclosure | |
| 6 3/4 | 3 5/8" x 6 1/2" | 3 1/2" x 6 1/4" |
| 7 3/4 | 3 7/8" x 7 1/2" | 3 3/4" x 7 1/4" |
| 9 | 3 7/8" x 8 7/8" | 3 3/4" x 8 5/8" |
| 10 | 4 1/8" x 9 1/2" | 4" x 9 1/4" |
Square Flap
Contemporary and elegant flap style adds a touch of elegance to any
business correspondence. Particularly popular as part of an executive
stationery suite.
| Envelope | Enclosure | |
| 6 3/4 | 3 5/8" x 6 1/2" | 3 1/2" x 6 1/4" |
| 7 3/4 | 3 7/8" x 7 1/2" | 3 3/4" x 7 1/4" |
| 9 | 3 7/8" x 8 7/8" | 3 3/4" x 8 5/8" |
| 10 | 4 1/8" x 9 1/2" | 4" x 9 1/4" |
A-Style
Announcement sized envelopes for mailing announcements, small
booklets, brochures or promotional pieces and, more recently, for
distinctive business stationery. This style envelope is enhanced by
the use of textured paper.
| Envelope | Enclosure | |
| A1 | 3 5/8" x 5 1/8" | 3 3/8" x 5" |
| A2 | 4 3/8" x 5 3/4" | 4 3/16" x 5 1/2" |
| A6 | 4 3/4" x 6 1/2" | 4 5/8" x 6 3/16" |
| A7 | 5 1/4" x 7 1/4" | 5" x 6 7/8" |
| A8 | 5 1/2" x 8 1/8" | 5 1/4" x 7 3/4" |
| A9 | 5 3/4" x 8 7/8" | 5 1/4" x 8 5/8" |
| A-Long | 3 7/8" x 8 7/8" | 3 3/4" x 8 5/8" |
| A10 | 6" x 9 1/2" | 5 3/4" x 9 1/8" |
Business Announcements
Baronial sized envelopes with a pointed flap, for formal business
announcements, invitations and changes of address.
| Envelope | Enclosure | |
| Gladstone | 3 9/16" x 5 9/16" | 3 3/8" x 5 3/8" |
| 4 Bar | 3 5/8" x 5 1/8" | 3 1/2" x 4 7/8" |
| Astor | 3 5/8" x 5 5/8" | 3 1/2" x 5 3/8" |
| 5 Bar | 4 1/8" x 5 5/8" | 4" x 5 3/8" |
| 5 1/2 Bar | 4 3/8" x 5 3/4" | 4 1/4" x 5 1/2" |
| 6 Bar | 4 3/4" x 6 1/2" | 4 5/8" x 6 1/4" |
| Lee | 5 1/4" x 7 1/4" | 5 1/8" x 7" |
Square
With square flaps, for announcements, booklets, promotions, etc.
| Envelope | Enclosure | |
| 6 1/2 | 6 1/2" x 6 1/2" | 6 1/4" x 6 1/4" |
| 7 | 7" x 7" | 6 3/4" x 6 3/4" |
| 7 1/2 | 7 1/2" x 7 1/2" | 7 1/4" x 7 1/4" |
| 8 | 8" x 8" | 7 3/4" x 7 3/4" |
| 8 1/2 | 8 1/2" x 8 1/2" | 8 1/4" x 8 1/4" |
| 9 | 9" x 9" | 8 3/4" x 8 3/4" |
| 9 1/2 | 9 1/2" x 9 1/2" | 9 1/4" x 9 1/4" |
| 10 | 10" x 10" | 9 3/4" x 9 3/4" |
Booklet (open side)
For annual reports, brochures, sales literature, and a variety of
printed material. Can be used in volume mailings processed by
inserting and sealing equipment.
| Envelope | Enclosure | |
| 3 | 4 3/4" x 6 1/2" | 4 1/2" x 6" |
| 5 | 5 1/2" x 8 1/8" | 5 1/4" x 7 5/8" |
| 6 | 5 3/4" x 8 7/8" | 5 1/2" x 8 3/8" |
| 6 1/2 | 6" x 9" | 5 3/4" x 8 1/2" |
| 6 5/8 | 6" x 9 1/2" | 5 3/4" x 9" |
| 6 3/4 | 6 1/2" x 9 1/2" | 6 1/4" x 9" |
| 7 1/2 | 7 1/2" x 10 1/2" | 7 1/4" x 10" |
| 9 | 8 3/4" x 11 1/2" | 8 1/2" x 11" |
| 9 1/2 | 9" x 12" | 8 3/4" x 11 1/2" |
| 10 | 9 1/2" x 12 5/8" | 9 1/4" x 12 1/8" |
| 13 | 10" x 13" | 9 3/4" x 12 1/2" |
Catalog (open end)
For catalogs, large booklets, and other heavy enclosures usually
inserted by hand.
| Envelope | Enclosure | |
| Glove | ||
| 7 | 4" x 6 3/8" | 3 3/4" x 5 7/8" |
| 8 | 3 7/8" x 7 1/2" | 3 5/8" x 7" |
| Policy | ||
| 10 | 4 1/8" x 9 1/2" | 3 7/8" x 9" |
| 11 | 4 1/2" x 10 3/8" | 4 1/4" x 9 7/8" |
| 14 | 5" x 11 1/2" | 4 3/4" x 11" |
| Scarf | ||
| 1 | 4 5/8" x 6 3/4" | 4 3/8" x 6 1/4" |
| 3 | 5" x 7 1/2" | 4 3/4" x 7" |
| 4 1/4 | 5 1/2" x 7 1/2" | 5 1/4" x 7" |
| 6 | 5 1/2" x 8 1/4" | 5 1/4" x 7 3/4" |
| Catalog | ||
| 1 | 6" x 9" | 5 3/4" x 8 1/2" |
| 1 3/4 | 6 1/2" x 9 1/2" | 6 1/4" x 9" |
| 3 | 7" x 10" | 6 3/4" x 9 1/2" |
| 6 | 7 1/2" x 10 1/4" | 7 1/4" x 10" |
| 8 | 8 1/4" x 11 1/4" | 8" x 10 3/4" |
| 9 3/4 | 8 3/4" x 11 1/4" | 8 1/2" x 10 3/4" |
| 10 1/2 | 9" x 12" | 8 3/4" x 11 1/2" |
| 12 1/2 | 9 1/2" x 12 1/2" | 9 1/4" x 12" |
| 13 1/2 | 10" x 13" | 9 3/4" x 12 1/2" |
| 14 1/2 | 11 1/2" x 14 1/2" | 11 1/4" x 14" |
| 15 | 10" x 15" | 9 3/4" x 14 1/2" |
| 15 1/2 | 12" x 15 1/2" | 11 3/4" x 15" |
