Envelope Sizes and Inserts

Information about envelope sizes for
your next mailing


Envelope Name Envelope Size Enclosure Size
A1 3 5/8 x 5 1/8 3 3/8 x 4 7/8
A2 4 3/8 x 5 3/4 4 1/2 x 5 1/2
A6 4 3/4 x 6 1/2 4 5/8 x 6 1/4
A7 5 1/4 x 7 1/2 5 1/8 x 7
A8 5 1/2 x 8 1/8 5 3/8 x 7 7/8
A9 5 3/4 x 8 11/32 5 5/8 x 8 5/8
A10 6 x 9 1/2 5 7/8 x 9 1/4
Envelope Name Envelope Size Enclosure Size
# 6 1/4 3 1/2 x 6 3 1/4 x 5 3/4
# 6 3/4 3 5/8 x 6 1/2 3 1/2 x 6 1/4
# 6 5/8 3 5/8 x 8 5/8 3 1/2 x 8 6/16
# 7 3 3/4 x 6 3/4 3 1/2 x 6 1/2
Monarch (7 3/4) 3 7/8 x 7 1/2 3 3/4 x 7 1/4
# 9 3 7/8 x 8 7/8 3 3/4 x 8 11/16
# 9 (Policy) 4 x 9 3 3/4 x 8 1/2
#10 4 1/8 x 9 1/2 4 x 9 1/2
DL 4 5/16 x 8 5/8 4 1/8 x 8 3/8
#11 4 1/2 x 10 3/8 4 1/4 x 10 1/8
#12 4 3/4 x 11 4 1/2 x 10 3/4
#14 5 x 11 1/2 4 3/4 x 11 1/4
#16 6 x 12 5 3/4 x 11 3/4
Envelope Name Envelope Size Enclosure Size
Professional 2 1/4 x 3 5/8 2 x 3 1/2
#16 2 3/8 x 3 3/8 2 1/4 x 3 1/8
#17 2 11/16 x 3 11/16 2 9/16 x 3 9/16
Gladstone 3 9/16 x 5 9/16 3 3/8 x 5 3/8
4-Bar 3 5/8 x 5 1/8 3 1/4 x 4 7/8
5 1/2-Bar 4 3/8 x 5 3/4 4 1/2 x 5 1/2
Walton Inside 6 1/2 x 6 1/2 6 1/4 x 6 1/4
6-Bar 4 3/4 x 6 1/2 4 5/8 x 6 1/4
Lee 5 1/4 x 7 1/4 5 1/8 x 7
Monona Inside 5 1/4 x 7 1/2 5 x 7 1/4
Monona Outside 5 1/2 x 7 3/4 5 1/4 x 7 1/2
Envelope Name Envelope Size Enclosure Size
# 1 6 x 9 5 3/4 x 8 3/4
# 1 3/4 6 1/2 x 9 1/2 6 1/4 x 9 1/4
# 3 7 x 10 6 3/4 x 9 1/2
# 6 7 1/2 x 10 1/2 7 1/4 x 10
# 8 8 1/4 x 11 1/4 8 x 10 3/4
# 9 3/4 8 3/4 x 11 1/4 8 1/2 x 10 3/4
#10 1/2 9 x 12 8 3/4 x 11 1/2
#12 1/2 9 1/2 x 12 1/2 9 1/4 x 12
#13 1/2 10 x 13 9 3/4 x 12 1/2
#14 1/2 11 1/2 x 14 1/2 11 1/4 x 14
#15 10 x 15 9 3/4 x 14 1/2
#15 1/2 12 x 15 1/2 11 3/4 x 15
Envelope Name Envelope Size Enclosure Size
# 3 4 3/4 x 6 1/2 4 1/2 x 6
# 4 1/2 5 1/2 x 7 1/2 5 1/4 x 7
# 5 5 1/2 x 8 1/8 5 1/4 x 7 5/8
# 6 5 3/4 x 8 7/8 5 1/2 x 8 3/8
# 6 1/2 6 x 9 5 3/4 x 8 1/4
# 6 5/8 6 x 9 1/2 5 3/4 x 9
# 6 3/4 6 1/2 x 9 1/2 6 1/4 x 9
# 7 1/4 7 x 10 6 3/4 x 9 1/2
# 7 1/2 7 1/2 x 10 1/2 7 1/4 x 10
#9 8 3/4 x 11 1/2 8 1/2 x 11
#9 1/2 9 x 12 8 3/4 x 11 1/2
#10 9 1/2 x 12 6/8 9 1/4 x 12 1/8
#13 10 x 13 9 3/4 x 12 1/2

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