ENVELOPES
THE BASICS
101
Starting with the Basics
We have all the information you need to make sense of envelope
terminology and find the products you’re looking for.
An Envelope’s Parts
Regardless of size or variations, an envelope has the same basic parts:
corners, flaps, folds, shoulders, throat, seal and seams.
Width of Seal
Top Fold
Seal Flap Length
Envelope Face
Throat
Shoulder
Bottom Flap
Side Fold
am
Side Flap
se
Height
flap
se
am
Seam Overlap
Envelope Back
Bottom Fold
Width
The above diagram is a standard diagonal seam envelope.
Open End
Catalog
Height
fold
Booklet = Open Side (O.S.)
Open side envelopes have the opening or seal flap on
the long dimension. When an envelope opens on the
longest side, it’s called a booklet envelope or an open
side envelope.
Standard Envelope
Height
MEASURING AN
ENVELOPE
Width
Catalog = Open End (O.E.)
Open end envelopes have the opening or seal flap on
tthe short dimension. When an envelope opens on the
sshortest side, it’s called a catalog or an open end envvelope. Catalogs and coin envelopes are the principal
open end products we have in stock.
o
Height
Width
Open Side Booklet
Width
100 Interstate Blvd., Edgerton, WI 53534-9399
800-410-6245 • AMSOLUTIONSWI.COM
MEASURING
A WINDOW
Flap
Envelope
Face
Flap
Open-Side
Booklet Vertical
Comme rcial Horizontal
Window Envelope Measu rements
Flap
x Width
Height
x Width
Height
From Left
Height
Height
x Width
x Width
Standa rd Position
From Bottom
Height
Envelope
Open-Side
Face
Booklet Horizontal
Height
Flap
x Width
Height
3/8˝ M inimum
x Width
3/8˝
Envelope
Face
x Width
Open-End
Catalog Horizontal
Envelope
Face
3/8˝
M inimum
Comme rcial Window
Envelope Limitations
M inimum
3/8˝
Minimum
3/8˝ M inimum
Open-End
Catalog Vertical
FLAP
STYLES
Bankers – Used on commercial
Cheese Blades – Used on booklets.
style envelopes to provide
additional sealing area.
Square – Used on announcements
and some booklet s.
_____________________________
_____________________________
Monarch – Used on #7½ envelope
Extension – Are constructed with-
sion of the face, neither gummed
nor scored, to assist with material
insertion.
_____________________________
Standard Commercial Flap – Used
on commercials.
Scalloped – Used on Church
Offering envelopes.
_____________________________
Pointed – Used on most
baronials.
_____________________________
Wallet – Provide additional area for
printing on both t he back and seal
_____________________________
Flip-Stik – Latex adhesive is
separated until sealing.
Hub – Used on catalogs.
_____________________________
Round – Used on some small coin,
drug and pay envelopes.
commercials, collection s, and orderform envelopes.
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Seal Gum
SEAMS
Seal Gum
Top Flap
Back or Bottom Flap
Side Flap
Comme rcial Flap Diagonal Seams
Side Flap
Seal Gum
Top Flap
Open End Center Seam Catalog
Side Flap
Back or Bottom Flap
Side Flap
Back or Bottom Flap
Open Side Seam Booklet
SEALS &
CLOSURES
Clasp
Reinforced, double-pronged metal clasp for
added security. Should not be run through
automated processes after conversion.
String & Button
Tie-down closures ready for
repeat opening or secured
sealing.
Flip-Stik Seal
Latex adhesive applied on two flap
surfaces and folded to keep them
separated until sealing; no moisture
required.
Pres-Stik ®
Self-adhering latex adhesive
applied to two surfaces that
seals on contact when joined.
Kwik- Tak ® Seal
Release tape liner applied over a
resin adhesive. Remove liner and
press flap down to seal; no
moisture required.
Multi- Tak™
Seal Tape closure for reusable
sealing; can be printed after
conversion.
Seals and Closures- there are
a wide variety of envelope seals
and closures, including: Clasp,
String & Button, Flip-Stik Seal,
Pres-Stik, Kwik-Tak, Split Seal and
Remoistening Seals.
Split Seal
A gum seal split into sections and activat
ed by moistening the flap for a permanent
seal; better for storing envelopes in humid
conditions.
Remoistening Seal
A gum seal activated by moistening the
flap for a permanent seal.
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Business
Type
61/4
63/4
85/8
Size
Enclosure
9
10
101/2
11
12
14
16
3.5” x 6”
3.625” x 6.5”
3.625” x 8.625”
3.75” x 6.75”
3.9375” x 7.5”
3.875” x 8.875”
4.125” x 9.5”
4.5” x 9.5”
4.5” x 10.375”
4.75” x 11”
5” x 11.5”
6” x 12”
3.25” x 5.75”
3.5” x 6.25”
3.5” x 8.375”
3.5” x 6.5”
3.6875” x 7.25”
3.75” x 8.675”
4” x 9.25”
4.25” x 9.25”
4.25” x 10.125”
4.5” x 10.75”
4.75” x 11.25”
5.75” x 11.75”
Catalog
Type
Size
Enclosure
101/2
121/2
131/2
141/2
15
151/2
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”
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” 14”
9.75” x 14.5”
11.75” x 15”
Booklet
Type
Size
Enclosure
6
61/2
65/8
63/4
Slim Jim
Slim Jim
71/2
9
91/2
10
13
15
5.75” x 8.875”
6” x 9”
6” x 9.5”
6.5” x 9.5”
6” x 10.5”
6” x 11.375”
7.5” x 10.5”
8.75” x 11.5”
9” x 12”
9.5” x 12.625”
10” x 13”
10” x 15”
5.5” x 8.375”
5.75” x 8.75”
5.75” x 9”
6.25” x 9”
5.75” x 10”
5.75” x 10”
7.25” x 10”
8.5” x 11”
8.75” x 11.5”
9.25” x 12.125”
9.75” x 12.5”
9.75” x 14.5”
7
Monarch (7½)
1
13/4
3
6
8
/
93 4
COMMON
ENVELOPE SIZES
Baronial
Type
4 Baronial
5 Baronial
51/2 Baronial
6 Baronial
63/4 Baronial
51/4 x 71/2
71/2
Size
Enclosure
3.5625” x 5.5625”
3.625” x 5.125”
4.125” x 5.625”
4.25” x 6.75”
4.375” x 5.75”
4.75” x 6.5”
4.75” x 6.75”
5.25” x 7.50”
5.5” x 7.5”
3.3125” x 5.3125”
3.5” x 4.875”
4” x 5.375”
4” x 6.5”
4.25” x 5.5”
4.625” x 6.25”
4.25” x 6.5”
5” x 7.25”
5.25” x 7.25”
Announcement
Type
Size
Enclosure
A-2
A-6
A-7
A-8
A-10
4.375” x 5.75”
4.75” x 6.5”
5.25” x 7.25”
5.5” x 8.125”
6” x 9.5”
4.25” x 5.5”
4.625” x 6.25”
5” x 7”
5.25” x 7.75”
5.75” x 9.25”
Square
Type
Size
Enclosure
5
51/2
6
61/2
71/2
9
10
13
5” x 5”
5.5” x 5.5”
6” x 6”
6.5” x 6.5”
7.5” x 7.5”
9” x 9”
10” x 10”
13” x 13”
4.75” x 4.75”
5.25” x 5.25”
5.75” x 5.75”
6.25” x 6.25”
7.25” x 7.25”
8.75” x 8.75”
9.75” x 9.75”
12.75” x 12.75”
amsolutionswi.com • amsolutionswi.com • 800-410-6245