Common Size Envelopes
Commercial/Official
For most business and personal correspondence purposes, i.e., letterheads, invoices, statements, writing stationery, direct marketing mailings., etc.

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6-1/2
6-3/4
8-5/8
7
Monarch (7-3/4)
9
10
11
12
14
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Envelope
3.5 x 6
3.625 x 6.5
3.625 x 8.625
3.75 x 6.75
3.875 x 7.5
3.875 x 8.875
4.125 x 9.5
4.5 x 10.325
4.75 x 11
5 x 11.5
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Enclosure
3.25 x 5.75
3.5 x 6.25
3.5 x 8.375
3.5 x 6.5
3.75 x 7.25
3.75 x 8.625
4 x 9.25
4.25 x 10.125
4.5 x 10.75
4.75 x 11.25
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Square Flap
Contemporary and elegant flay style adds a touch of elegance to any business correspondence. Particularly popular as part of an executive stationery suite.

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6-3/4
7-3/4
9
10
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Envelope
3.625 x 6.5
3.875 x 7.5
3.875 x 8.875
4.125 x 9.5
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Enclosure
3.5 x 6.25
3.75 x 7.25
3.75 x 8.625
4 x 9.25
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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.

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6-3/4
7-3/4
9
10
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Envelope
3.625 x 6.5
3.875 x 7.5
3.875 x 8.875
4.125 x 9.5
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Enclosure
3.5 x 6.25
3.75 x 7.25
3.75 x 8.625
4 x 9.25
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A-Style
For announcements, small booklets, brochures or promotional pieces and more recently, for distinctive business stationery. This style envelope is enhanced by the use of text paper.
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A-2
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Envelope
4.375 x 5.75
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Enclosure
4.1875 x 5.5
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A-6
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4.75 x 6.5
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4.625 x 6.1875
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A-7
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5.25 x 7.25
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5 x 6.875
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A-8
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5.5 x 8.125
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5.25 x 7.75
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A-Long
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3.875 x 8.875
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3.75 x 8.625
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A-10
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6 x 9.5
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5.75 x 9.125
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Business Announcements
With a pointed flap, for formal business announcements, invitations and changes of address.

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4 Baronial
Astor
5 Baronial
5-1/2 Baronial
6 Baronial
Lee
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Envelope
3.625 x 5.125
3.625 x 5.625
4.125 x 5.5
4.375 x 5.75
4.75 x 6.5
5.25 x 7.25
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Enclosure
3.5 x 4.875
3.5 x 4.875
4 x 5.375
4.25 x 5.5
4.625 x 6.25
5.125 x 7
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Booklet (open end)
For annual reports, brochures, sales literature, and a variety of printed material. Can be used in volume mailings processed by inserting and sealing equipment.

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3
5
6
6-1/2
6-5/8
6-3/4
7-1/2
9
9-1/2
10
13
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Envelope
4.75 x 6.5
5.5 x 8.125
5.75 x 8.875
6 x 9
6 x 9.5
6.5 x 9.5
7.5 x 10.5
8.75 x 11.5
9 x 12
9.5 x 12.625
10 x 13
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Enclosure
4.5 x 6
5.25 x 7.625
5.5 x 8.375
5.75 x 8.5
5.75 x 9
6.25 x 9
7.25 x 10
8.5 x 11
8.75 x 11.5
9.25 x 12.125
9.75 x 12.5
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Square
With square flaps, for announcements, booklets, promotions, etc.

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6-1/2
7
7-1/2
8
8-1/2
9
9-1/2
10
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Envelope
6.5 x 6.5
7 x 7
7.5 x 7.5
8 x 8
8.5 x 8.5
9 x 9
9.5 x 9.5
10 x 10
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Enclosure
6.26 x 6.25
6.75 x 6.75
7.25 x 7.25
7.75 x 7.75
8.25 x 8.25
8.75 x 8.75
9.25 x 9.25
9.75 x 9.75
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Catalog (open end)
For catalogs, large booklets and other heavy enclosures usually inserted by hand.

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Glove
7
8 |
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Envelope
4 x 6.325
3.875 x 7.5
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Enclosure
3.75 x 5.875
3.625 x 7
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Policy
10
11
14
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4.125 x 9.5
4.5 x 10.325
5 x 11.5
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3.875 x 9
4.25 x 9.875
4.75 x 11 |
Scarf
1
3
4-1/4
6 |
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4.625 x 6.75
5 x 7.5
5.5 x 7.5
5.5 x 8.25 |
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4.325 x 6.25
4.75 x 7
5.25 x 7
5.25 x 7.5 |
Catalog
1
1-3/4
3
6
8
9-3/4
10-1/2
12-1/2
13-1/2
14-1/2
15
15-1/2
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6 x 9
6.5 x 9.5
7 x 10
7.5 x 10.25
8.25 x 11.25
8.75 x 11.25
9 x 12
9.5 x 12.5
10 x 13
11.5 x 14.5
10 x 15
12 x 15.5
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5.75 x 8.5
6.25 x 9
6.75 x 9.5
7.25 x 10
8 x 10.75
8.5 x 10.75
8.75 x 11.5
9.25 x 12
9.75 x 12.5
11.25 x 14
9.75 x 14.5
11.75 x 15
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