Envelope Size Chart





 

Business & Correspondence

Widely used for business and personal correspondence. Commercial and Side Seam flap styles are ideal for machine insertion. Wallet flaps provide a large area ideal for imprinting. Square flaps are contemporary, but not recommended for machine insertion.

TYPE SIZE ENCLOSURE
6 1/4 3.5″ x 6″ 3.25″ x 5.75″
6 3/4 3.625″ x 6.5″ 3.5″ x 6.25″
8 5/8 3.625″ x 8.625″ 3.5″ x 8.375″
7 3.75″ x 6.75″ 3.5″ x 6.5″
Monarch (7 3/4) 3.875″ x 7.5″ 3.75″ x 7.25″
9 3.875″ x 8.875″ 3.75″ x 8.675″
9 (policy) 4″ x 9″ 3.75″ x 8.5″
10 4.125″ x 9.5″ 4″ x 9.25″
DL 4.313″ x 8.625″ 4.125″ x 8.375″
11 4.5″ x 10.375″ 4.25″ x 10.125″
12 4.75″ x 11″ 4.5″ x 10.75″
14 5″ x 11.5″ 4.75″ x 11.25″
16 6″ x 12″ 5.75″ x 11.75″

Booklet

This style is ideal for annual reports, brochures, sales materials, and more. Booklet envelopes are often machine insertable.

TYPE SIZE ENCLOSURE
3 4.75″ x 6.5″ 4.5″ x 6″
4 1/2 5.5″ x 7.5″ 5.25″ x 7″
5 5.5″ x 8.125″ 5.25″ x 7.625″
6 5.75″ x 8.875″ 5.5″ x 8.375″
6 1/2 6″ x 9″ 5.75″ x 8.5″
6 5/8 6″ x 9.5″ 5.75″ x 9″
6 3/4 6.5″ x 9.5″ 6.25″ x 9″
7 1/4 7″ x 10″ 6.75″ x 9.5″
7 1/2 7.5″ x 10.5″ 7.25″ x 10″
9 8.75″ x 11.5″ 8.5″ x 11″
9 1/2 9″ x 12″ 8.75″ x 11.5″
10 9.5″ x 12.625″ 9.25″ x 12.125″
13 10″ x 13″ 9.75″ x 12.5″

Catalog

Center seam makes this style more durable for mailing heavy-weight materials. All Catalog envelopes will hand insert.

TYPE SIZE ENCLOSURE
1 6″ x 9″ 5.75″ x 8.75″
1 3/4 6.5″ x 9.5″ 6.25″ x 9.25″
3 7″ x 10″ 6.75″ x 9.5″
6 7.5″ x 10.5″ 7.25″ x 10″
8 8.25″ x 11.25″ 8″ x 10.75″
9 3/4 8.75″ x 11.25″ 8.5″ x 10.75″
10 1/2 9″ x 12″ 8.75″ x 11.5″
12 1/2 9.5″ x 12.5″ 9.25″ x 12″
13 1/2 10″ x 13″ 9.75″ x 12.5″
15 10″ x 15″ 9.75″ x 14.5″
15 1/2 12″ x 15.5″ 11.75″ x 15″

Square

This unusual shape attracts attention to contents. Square envelopes are non-standard and may require additional postage to mail.  Contact your sales representative to determine if your envelope of choice can machine insert.

TYPE SIZE ENCLOSURE
5″ 5″ x 5″ 4.75″ x 4.75″
5 ½” 5.5″ x 5.5″ 5.25″ x 5.25″
6″ 6″ x 6″ 5.75″ x 5.75″
6 ½” 6.5″ x 6.5″ 6.25″ x 6.25″
7″ 7″ x 7″ 6.75″ x 6.75″
7 ½” 7.5″ x 7.5″ 7.25″ x 7.25″
8″ 8″ x 8″ 7.75″ x 7.75″
8 ½” 8.5″ x 8.5″ 8.25″ x 8.25″
9″ 9″ x 9″ 8.75″ x 8.75″
9 ½” 9.5″ x 9.5″ 9.25″ x 9.25″
10″ 10″ x 10″ 9.75″ x 9.75″
13 ½” 13.5″ x 13.5″ 13.25″ x 13.25″

Baronial

Deep pointed flap traditionally used for formal announcements and invitations. All Baronial envelopes will hand insert.

TYPE SIZE ENCLOSURE
Professional* 2.125″ x 3.625″ 2″ x 3.5″
#16 (Mrs.)* 2.375″ x 3.375″ 2.25″ x 3.125″
#17 (Mr. & Mrs.)* 2.6875″ x 3.6875″ 2.5625″ x 3.5625″
Gladstone* 3.563″ x 5.562″ 3.375″ x 5.375″
4-Bar 3.625″ x 5.125″ 3.475″ x 4.875″
5½-Bar 4.375″ x 5.75″ 4.25″ x 5.5″
6-Bar/Walton Outside 4.75″ x 6.5″ 4.625″ x 6.25″
Lee 5.25″ x 7.25″ 5.125″ x 7″
Linwood/Monona Inside 5.25″” x 7.5″” 5″ x 7.25″
Monona Outside 5.5″ x 7.75″ 5.25″ x 7.5″
* This size is too small to mail.

Announcement

Also called A-style, this contemporary design is idea for photographs, greeting cards, small booklets, and promotional pieces. Do not confuse the A-4 size with metric A4 paper, which fits into a DL size Commercial envelope.

TYPE SIZE ENCLOSURE
A-2 4.375″ x 5.75″ 4.25″ x 5.5″
A-6 4.75″ x 6.5″ 4.625″ x 6.25″
A-7* 5.25″ x 7.25″ 5″ x 7″
A-8* 5.5″ x 8.125″ 5.25″ x 7.75″
A-9 5.75″ x 8.875″ 5.5″ x 8.625″
A-10* 6″ x 9.5″ 5.75″ x 9.25″

* Request machine insertable (shorter flap) envelopes.  If they are not available, hand insertion will be required.