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The Envelope Guide

This Envelope Guide is intended to give an overview of the most common envelope styles and sizes. It is fairly comprehensive, but by no means exhaustive. Please contact us if you are looking for a specific envelope size that is not indicated here.

   
Commercial & Official Envelopes Remittance Envelopes
Booklet (Open Side) Envelopes Policy Envelopes
Catalog (Open End) Envelopes Metal Clasp Envelopes
Window Envelopes Wallet Flap & Square Flap Envelopes
Announcement Envelopes Coin Envelopes
Social & Baronial Envelopes Custom Conversion Envelopes
 
Commercial & Official Envelopes
 
Standard correspondence style envelopes. Open-side style with gummed flaps. Made in wide range of bond and kraft.
 
Standard commercial sizes range from # 5 to # 6 3/4. Official sizes range from # 7 to #14:
 
# 5 3 1/16" x 5 1/2" Data Card 3 9/16" x 7 5/8"
# 6 3 3/8" x 6" # 8 5/8 3 5/8" x 8 5/8"
# 6 1/4 3 1/2" x 6" # 9 3 7/8" x 8 7/8"
# 6 1/2 3 9/16" x 6 1/4" # 10 4 1/8" x 9 1/2"
# 6 3/4 3 5/8" x 6 1/2" # 10 1/2 4 1/2" x 9 1/2"
# 7 3 3/4" x 6 3/4" # 11 4 1/2" x 10 3/8"
# 7 1/2 3 3/4" x 7 5/8" # 12 4 3/4" x 11"
# 7 3/4 3 7/8" x 7 1/2" # 14 5" x 11 1/2"
Booklet (Open Side) Envelopes
 
For use with booklets, folders, and other types of direct mail. Open-side design permits overall printing.
 
Standard booklet sizes range from # 2 1/2 to # 13:
 
# 2 1/2 4 1/2" x 5 7/8 " # 7 1/4 7" x 10"
# 3 4 3/4" x 6 1/2" # 7 1/2 7 1/2" x 10 1/2"
# 4 1/4 5" x 7 1/2" # 8 8" x 11 1/8"
# 5 5 1/2" x 7 1/2" # 9 8 3/4" x 11 1/2"
# 6 5 3/4" x 8 7/8" # 9 1/2 9" x 12"
# 6 1/2 6" x 9" # 10 9 1/2" x 12 5/8"
# 6 3/4 6 1/2" x 9 1/2"

# 13

10" x 13"
# 7 6 1/4" x 9 5/8"    
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Catalog (Open End) Envelopes
 
Open-end style. Wide seams with heavy gummed flaps provide good protection for mail handling of catalogs, magazines, reports, etc.
 
Standard catalog sizes range from # 1 to # 14 1/2:
 
# 1 6" x 9" # 9 1/2 8 1/2" x 10 1/2"
# 1 3/4 6 1/2" x 9 1/2" # 9 3/4 8 3/4" x 11 1/4"
# 2 6 1/2" x 10" # 10 1/2 9" x 12"
# 3 7" x 10" # 12 1/2 9 1/2" x 12 1/2"
# 6 7 1/2" x 10 1/2" # 13 1/2 10" x 13"
# 7 8" x 11" # 14 1/4 11 1/4" x 14 1/4"
# 8 8 1/4" x 11 1/4" # 14 1/2 11 1/2" x 14 1/2"
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Window Envelopes
 
Permit name and address typed on enclosure to show. Used for invoices, statements, checks, receipts, etc. Variety of window sizes and configurations. Contact us for various available window sizes and placement information.
 
Standard window envelope sizes range from # 6 1/4 to # 14:
 
# 6 1/4 3 1/2" x 6" # 9 3 7/8" x 8 7/8"
# 6 3/4 3 5/8" x 6 1/2" # 10 4 1/8" x 9 1/2"
# 7 3 3/4" x 6 3/4" # 11 4 1/2" x 10 3/8"
# 7 3/4 3 7/8" x 7 1/2" # 12 4 3/4" x 11"
# 8 5/8 3 5/8" x 8 5/8" # 14 5" x 11 1/2"
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Announcement Envelopes
 
Made for use with wide range of matching text and cover papers. Many have deckle-edge flaps.
 
Standard announcement sizes range from # A-2 to Slim:
 
# A-2 4 3/8" x 5 5/8" # A-8 5 1/2" x 8 1/8"
# A-6 4 3/4" x 6 1/2" # A-10 6 1/4" x 9 5/8"
# A-7 5 1/4" x 7 1/4" Slim 3 7/8" x 8 7/8"
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Social & Baronial Envelopes
 
Formal envelopes with deep pointed flap. Widely used for invitations, announcements, and greeting and social cards.
 
Standard baronial sizes range from #2 to #6.:
 
#2 3 3/16" x 4 1/4" #5 1/4 4 1/4" x 5 1/4"
#4 3 5/8" x 4 5/8" #5 1/2 4 3/8" x 5 3/4"
#5 4 1/8" x 5 1/8" #6 4 3/4" x 6 1/2"
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Remittance Envelopes
 
Large flap can be printed to contain any message. Used for coupons, credit information, applications, statements, etc.
 
Standard remittance sizes range from #6 1/4 to #6 3/4:
 
# 6 1/4 3 1/2" X 6" ( 3 3/8" Flap)
# 6 1/2 3 1/2 X 6 1/4" ( 3 3/8" Flap)
# 6 3/4 5/8" X 6 1/2" ( 3 1/2" Flap)
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Policy Envelopes
 
Primarily used for insurance policies. Also to hold bonds, mortgages, legal papers.
 
Standard policy sizes range from #9 to #14:
 
# 9 4" X 9"
# 10 4 1/8" X 9 1/2"
# 11 4 1/2" x 9 1/2"
# 12 4 3/4" x 10 7/8"
# 14 5" x 11 1/2"
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Metal Clasp Envelopes
 
Strong and durable. Ideal for mailing bulky papers. Can be opened and closed many times.
 
Standard sizes range from #0 to #110:
 
# 0 2 1/2" x 4 1/4" # 75 7 1/2" x 10 1/2"
# 5 3 1/8" x 5 1/2" # 80 8" x 11"
# 10 3 3/8" x 6" # 83 8 1/2" x 11 1/2"
# 11 4 1/2" x 10 3/8" # 87 8 3/4" x 11 1/4"
# 14 5" x 11 1/2" # 90 9" x 12"
# 15 4" x 6 3/8" # 93 9 1/2" x 12 1/2"
# 25 4 5/8" x 6 3/4" # 94 9 1/4" x 14 1/2"
# 35 5" x 7 1/2" # 95 10" x 12"
# 50 5 1/2" x 8 1/4" # 97 10" x 13"
# 55 6" x 9" # 98 10" x 15"
# 63 6 1/2" x 9 1/2" # 105 11 1/2" x 14 1/2"
# 68 7" x 10" # 110 12" x 15 1/2"
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Wallet Flap & Square Flap Envelopes
 
Deep flap and heavy-weight paper for bulky correspondence. Typically much stronger than standard commercial envelopes.
 
Standard wallet flap sizes range from #10 to #16:
 
#10 4 1/8" x 9 1/2"
# 11 4 1/2" x 10 3/8 "
# 12 4 3/4" x 11"
# 14 5" x 11 1/2"
# 16 6" x 12"
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Coin Envelopes
 
Used for paper currency, as well as coins, by banks and individual companies.
 
Standard coin envelope sizes range from #1 to #7:
 
# 1 2 1/4" x 3 1/2" # 5 2 7/8" x 5 1/4"
# 3 2 1/2" x 4 1/4" # 5 1/2 3 1/8" x 5 1/2"
# 4 3" x 4 1/2" # 6 3 3/8" x 6"
# 4 1/2 3" x 4 7/8" # 7 3 1/2" x 6 1/2"
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Custom Conversion Envelopes
 
Because there are some limitations to printing on preconverted envelopes, we are able to have just about any type of standard and custom envelope you may need manufactured. Here's some basic info to help you understand the process a little more:
 
Standard Conversions
All standard envelopes use a solid steel die, called a "High Die." The envelopes are printed on a flat sheet and are diecut in stacks or reams, somewhat like a cookie cutter.
 
 
Custom Conversions
Because the cost of building a High Die for most custom conversions would be prohibitive, an Adjustable Die can be used for most types of envelopes. Because the knives are independently adjustable, virtually any envelope size is possible. However, the depth of the flap is limited to 1 3/4" and is only available as a square flap and the corners are not rounded.
 
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