Commercial Envelopes
Size Dimensions (in inches)
6 1/4 6 x 3.5
6 3/4 6.5 x 3.625
7 6.75 x 3.75
7 3/4 7.5 x 3.875
8 5/8 8.625 x 3.625
9 8.875 x 3.875
10 9.5 x 4.125
11 10.375 x 4.5
12 11 x 4.75
14 11.5 x 5
Announcement (A Style) Envelopes
Size Dimensions (in inches)
A1 3.625 x 5.125
A2 5.75 x 4.375
A4 6.25 x 4.25
A6 6.5 x 4.75
A7 7.25 x 5.25
A8 8.125 x 5.5
A9 8.75 x 5.75
A10 9.5 x 6
A Long 8.875 x 3.875
Catalog Envelopes
Size Dimensions (in inches)
1 9 x 6
1 3/4 9.5 x 6.5
3 10 x 7
6 10.5 x 7.5
8 11.25 x 8.25
9 3/4 11.25 x 8.75
10 1/2 12 x 9
12 1/2 12.5 x 9.5
13 1/2 13 x 10
14 1/2 14.5 x 11.5
15 15 x 10
15 1/2 15.5 x 12
Booklet Envelopes
Size Dimensions (in inches)
3 4.75 x 6.5
4 1/2 5.5 x 7.5
5 5.5 x 8.5
6 5.75 x  8.875
6 1/2 6 x 9
6 3/4 6.5 x 9.5
7 6.25 x 9.625
7 1/4 7 x 10
7 1/2 7.5 x 10.5
8 8 x 11.125
9 8.75 x 11.5
9 1/2 9 x 12
10 9.5 x 12.625
13 10 x 13
Baronial Envelopes
Size Dimensions (in inches)
4 5.125 x 3.625
5 5.625 x 4.125
6 6.5 x 4.75
Lee 7.25 x 5.25
Remittance Envelopes
Size Dimensions (in inches)
6 1/4 3.5 x 6
6 1/2 3.5 x 6.25
6 3/4 3.625 x 6.5
9 3.875 x 8.875