Envelope Sizes

Standard Envelope Sizes and Dimensions

Some envelope colors and sizes may have limited availability.

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COMMERCIAL/OFFICIAL ENVELOPES
Commercial Flap on Large Dimension
Used for business and personal correspondence.
6 1/43.5″ x 6″or3 1/2″ x 6″ 
6 3/4*3.625″ x 6.5″or3 5/8″ x 6 1/2″* popular size
73.75″ x 6.75″or3 3/4″ x 6 3/4″ 
7 3/43.875″ x 7.5″or3 7/8″ x 7 1/2″ 
Monarch3.875″ x 7.5″or3 7/8″ x 7 1/2″Pointed flap
8 5/83.625″ x 8.625″or3 5/8″ x 8 5/8″Check
9*3.875″ x 8.875″or3 7/8″ x 8 7/8″* popular size
10*4.125″ x 9.5″or4 1/8″ x 9 1/2″* popular size
114.5″ x 10.375″or4 1/2″ x 10 3/8″ 
124.75″ x 11″or4 3/4″ x 11″ 
145″ x 11.5″or5″ x 11 1/2
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ANNOUNCEMENT ENVELOPES
Square Flap on Large Dimension
For announcements, small booklets or even business stationery.
A style envelopes are made with text weight papers .
A13.625″ x 5.125″or3 5/8″ x 5 1/8″ 
A2 *4.375″ x 5.75″or4 3/8″ x 5 3/4″* popular size
A6 *4.75″ x 6.5″or4 3/4″ x 6 1/2″* popular size
A7 *5.25″ x 7.25″or5 1/4″ x 7 1/4″* popular size
A85.5″ x 8.125″or5 1/2″ x 8 1/4″ 
A95.75″ x 8.75″or5 3/4″ x 8 3/4″ 
A106″ x 9.5″or6″ x 9 1/2″ 
Slimline3.875″ x 8.875″or3 7/8″ x 8 7/8
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BARONIAL ENVELOPES
Pointed Flap on the Large Dimension
Classic design with a pointed flap for formal business announcments, invitations
and change of address .
4 Baronial3.625″ x 5.125″or3 5/8″ x 5 1/8″ 
5 Baronial4.125″ x 5.625″or4 1/4″ x 5 5/8″ 
5 1/2 Baronial *4.375″ x 5.75″or4 3/8″ x 5 3/4″* popular size
6 Baronial *4.75″ x 6.5″or4 3/4″ x 6 1/2″* popular size
Lee *5.25″ x 7.25″or5 1/4″ x 7 1/4″* popular size
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CATALOG ENVELOPES
Open End Flap on the Short Dimension
inserted by hand
1 Catalog *6″ x 9″  * popular size
1 3/4 Catalog6.5″ x 9.5″or6 1/2″ x 9 1/2″ 
3 Catalog7″ x 10″   
6 Catalog7.5″ x 10.5″or7 1/2″ x 10 1/2″ 
8 Catalog8.25″ x 11.25″or8 1/4″ x 11 1/4″ 
9 3/4 Catalog8.75″ x 11.25″or8 3/4″ x 11 1/4″ 
10 1/2 Catalog*9″ x 12″  * popular size
12 1/2 Catalog *9.5″ x 12.5″or9 1/2″ x 12 1/2″* popular size
13 1/2 Catalog *10″ x 13″  * popular size
14 1/2 Catalog11.5″ 14.5″or11 1/2″ x 14 1/2″ 
15 Catalog10″ x 15″   
15 1/2 Catalog12″ x 15.5″or12″ x 15 1/2″
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BOOKLET ENVELOPES
Open Side Flap on the Long Dimension
inserted and sealed with equipment
3 Booklet4.75″ x 6.5″or4 3/4″ x 6 1/2″ 
4 1/2 Booklet5.5″ x 7.5″or4 1/2″ x 7 1/2″ 
5 Booklet5.5″ x 8.125″or5 1/2″ x 8 1/8″ 
6 Booklet5.75″ x 8.875″or5 3/4″ x 8 7/8″ 
6 1/2 Booklet *6″ x 9″  * popular size
6 5/8 Booklet6″ x 9.5″or6″ x 9 1/2″ 
6 3/4 Booklet6.5″ x 9.5″or6 1/2″ x 9 1/2″ 
7 1/4 Booklet7″ x 10″   
9 Booklet8.75″ x 11.5″or8 3/4″ x 11 1/2″ 
9 1/2 Booklet *9″ x 12″  * popular size
10 Booklet *9.5″ x 12.625″or9 1/2″ x 12 5/8″* popular size
13 Booklet *10″ x 13″  * popular size

One Source Printing
Providing Houston Printing Service Since 1994

Envelope Sizes June 8, 2015