Envelope Information

Below is the Anchor Paper guide to envelopes, it explains uses and offers specs on all common types of envelopes.

To download a adobe_pdf_icon.png please click here.

Business and 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

6 ¼

6 ¾

8 5/8

7

Monarch (7 ¾)

9

9 (policy)

10

DL

11

12

14

16

Size

3.5x6

3.625x6.5

3.625x8.625

3.75x6.75

3.875x7.5

3.875x8.875

4x9

4.125x9.5

4.313x8.625

4.5x10.375

4.75x11

5x11.5

6x12

Enclosure

3.25x5.75

3.5x6.25

3.5x8.375

3.5x6.5

3.75x7.25

3.75x8.675

3.75x8.5

4x9.25

4.125x8.375

4.25x10.125

4.5x10.75

4.75x11.25

5.75x11.75

business.jpg

Booklet

This style is ideal for annual reports, brochures, sales materials, and more. The open side makes it acceptable for automatic insertion.

Type

3

4 1/2

5

6

6 1/2

6 5/8

6 3/4

7 1/4

7 1/2

9

9 1/2

10

13

Type

4.75 x 6.5

5.5 x 7.5

5.5 x 8.125

5.75 x 8.875

6 x 9

6 x 9.5

6 x 9.5

7 x 10

7.5 x 10.5

8.75 x 11.5

9 x 12

9.5 x 12.625

10 x 13

Type

4.5 x 6

5.25 x 7

5.25 x 7.625

5.5 x 8.375

5.75 x 9

5.75 x 9

6.25 x 9

6.75 x 9.5

7.25 x 10

8.5 x 11

8.75 x 11.5

9.25 x 12.125

9.75 x 12.5

booklet.jpg

 
 
 
 

Catalog

Center seam makes this style more durable for mailing heavy-weight materials. These envelopes cannot be processed through inserting equipment or run through a laser printer.

Type

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

Size

6 x 9

6.5 x 9.5

7 x 10

7.5 x 10.5

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

Enclosure

5.75 x 8.75

6.25 x 9.25

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 

catalog.jpg

Square

This unusual shape attracts attention to contents. Square envelopes are nonstandard and require additional postage to mail.

Type

5

5 1/2

6

6 1/2

7

7 1/2

8

8 1/2

9

9 1/2

10

13 1/2

Size

5 x 5

5.5 x 5.5

6 x 6

6.5 x 6.5

7 x 7

7.5 x7.5

8 x 8

8.5 x 8.5

9 x 9

9.5 x 9.5

10 x 10 

13.5 x 13.5

Enclosure

4.75 x 4.75

5.25 x 5.25

5.75 x 5.75

6.25 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

13.25 x13.25

square.jpg

Baronial

Deep pointed flap traditionally used for formal announcements and invitations. Not recommended for machine insertion.

Type

Professional*

#16 (Mrs.)*

#17 (Mr. and Mrs.)*

Gladstone*

4-Bar

5 1/2-Bar

6-Bar/Walton

Lee

Monona Inside

Monona Outside

* This size is too small to mail.

Size

2.125 x 3.625

2.375 x 3.375

2.6875 x 3.6875

3.563 x 5.562

3.625 x 5.125

4.375 x 5.75

4.75 x 6.5

5.25 x 7.25

5.25 x 7.5

5.5 x 7.75

Enclosure

2 x 3.5

2.25 x 3.125

2.5625 x 3.5625

3.375 x 5.375

3.475 x 4.875

4.25 x 5.5

4.625 x 6.25

5.125 x 7

5 x 7.25

5.25 x 7.5

baronial.jpg

Announcement

Also called A-style, this contemporary design is ideal for photographs, greeting cards, small booklets, and promotional pieces.

Type

A-1

A-2

A-6

A-7

A-8

A-9

A-10

Size

3.625 x 5.125 

4.375 x 5.75

4.75 x 6.5

5.25 x 7.25

5.5 x 8.125

5.75 x 8.875

6 x 9.5

Enclosure

3.475 x 4.875

4.25 x 5.5

4.625 x 6.25

5 x 7

5.25 x 7.75

5.5 x 8.625

5.75 x 9.25

announcement.jpg

*** All Dimensions are in inches