Price is $10.09
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Price is $41.89
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Price is $33.69
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Price is $14.49
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Square Envelopes
Best Match
List view
Pick up and Delivery
Envelope Size
Envelope Type
Envelope Closure
Envelope Number
Envelope Material
Item # : 24557950
Model # : 13034236D
- Color: Brown Kraft Manila
- Size: 12 x 15.5 inches
Price is $55.19
Unit of measure 100/Pack
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Over 30
Item # : 24295088
Model # : 13034199C
With Jam Paper's wide variety of speciality envelopes you can be sure to find what you need for your projects no matter how large or small.
- This open end envelope is lightweight paper and has no clasp for minimal fuss
- The flap includes a peel and seal enclosure to ensure that the envelope stays closed and contents stay safe
Price is $148.59
Unit of measure 500/Pack
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Over 30
Item # : 507910
Model # : QUA43117
- Business and commercial use
- Redi-Sealâ„¢ self-sealing closure; requires no moisture to seal
Price is $27.59
Unit of measure 100/Box
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Over 30
Item # : 1589213
Model # : 2354150I
The JAM Paper A7 ecru with gold foil lined envelope features an apt shade and finish to catch the attention of the invitees.
- Ecru with gold foil lined envelope
- Blank interior for personalized message
Price is $35.59
Unit of measure 50/Pack
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Over 30
Item # : 263862
Model # : 11789
JAM Paper® Peal & Seal 4 1/8" x 9 1/2" brite hue Christmas red recycled paper envelope in a pack of 25 is made from 30% post consumer paper and is perfect for greeting cards, invitations, weddings or any announcements.
- Size: #10 (4 1/8" x 9 1/2")
- Closure: Peal & seal
Price is $10.09
Unit of measure 25/Pack
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Over 30
Item # : 281925
Model # : 5360-07-50
Lux® Size 10 square flap envelope in gold metallic color is ideal for different types of personal or business related uses and measures 4 1/8" x 9 1/2".
- #10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail
- Comes in Gold Metallic, 80lb. Text Paper
Price is $41.89
Unit of measure 50/Pack
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Over 30
Item # : 1984837
Model # : A7FFW-28W-50
LUX 70lb. White A7 Full Face Window Envelopes are perfect for mailing letters, photos, greeting cards and more!
- A7 Full Face Window Envelopes are perfect for mailing letters/photos/greeting cards/invitations
- Comes in White, 70lb. Text Paper
Price is $33.69
Unit of measure 50/Box
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Over 30
Item # : 2301084
Model # : TYC1013S
Tyvek envelopes provide superior puncture, tear and moisture protection.
- Tyvek Envelopes useful for shipping flat items such as documents or catalogs
- Silver Tyvek constructed from 14 lb. olefin
Price is $273.59
Unit of measure 100/Carton
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Over 30
Item # : 1588741
Model # : 14257I
The JAM Paper A9 red recycled envelope comes with an apt color and finish to make it perfect for your party invitations and greeting cards.
- Red recycled envelope
- Blank interior for personalized message
Price is $17.09
Unit of measure 50/Pack
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Over 30
Item # : 2329312
Model # : 47385H
- JAM Paper White Booklet 4Bar A1 Envelopes come in various styles! These envelopes are stylistically diverse within our group of white 4Bar envelopes. These smaller sized white envelopes are perfect for appropriately shaped greeting cards, letters, and invitations. These envelopes are 4Bar A1 size, measure 3.625 x 5.125 inches, are White, have a V-Flap gummed closure. Also available in many other styles and colors.
- 4Bar A1 - 3 5/8" x 5 1/8" Envelopes
Price is $13.19
Unit of measure 50/Pack
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Over 30
Item # : 947685
Model # : TYE10132WE
Send mail with this 100-pack of Tyvek 10 x 13-inch white expandable envelopes.
- Constructed from 18 lb. olefin.
- Ten times stronger than paper envelopes.
Price is $284.99
Unit of measure 100/Carton Price per unit $2.85/Case
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Over 30
Item # : 23995915
Model # : 634W-W-50
LUX #6 3/4 Window Envelopes (3 5/8 x 6 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail
- Comes in 24lb. Bright White w/ Sec. Tint
- Dimensions: 3.625"L x 6.5"W
Price is $25.49
Unit of measure 50/Pack
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Over 30
Item # : 24578519
Model # : F-8555-B-50
- Square Envelopes
- 7.5" x 7.5"
Price is $17.19
Unit of measure 50/Pack
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Over 30
Item # : 2146617
Model # : WS-3133-1M
LUX #10 All Purpose Window (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.
- Comes in 24lb. White w/ Sec Tint, 24lb. Text Paper
- Moistenable Glue Sealing Method
Price is $165.49
Unit of measure 1000/Pack
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Over 30
Item # : 24260735
Model # : 49783-50
LUX 9 x 12 Booklet Envelopes in White w/Security Tint are perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations and more!
- Dimensions: 9"L x 12"W
- Comes in White w/Security Tint
Price is $29.89
Unit of measure 50/Pack
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Over 30
Item # : 534784
Model # : ST50166
Use this 100-pack of brown 12 x 15.5-inch Staples kraft catalog envelopes to secure documents or mail important information.
- Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
- Comes in brown and made of kraft
Price is $56.29
Unit of measure 100/Box
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Over 30
Item # : 24261049
Model # : 4166-50
LUX 11 1/2 x 14 1/2 Open End Envelopes in 28lb. Bright White are perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations and more!
- Dimensions: 11.5"L x 14.5"W
- Comes in 28lb. Bright White
Price is $43.99
Unit of measure 50/Pack
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Over 30
Item # : 263892
Model # : 96151
JAM® A7 Size ultra lime greenbrite hue envelope has a square gummed flap, it is sold as 25 per pack and is perfect for greeting cards, invitations, weddings or any announcement.
- Ultra lime green
- Size: A7 (5 1/4" x 7 1/4")
Price is $11.19
Unit of measure 25/Pack
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Over 30
Item # : 24260690
Model # : PHGC1-50
LUX Photo Greeting Invitation Envelopes (4 3/8 x 8 1/4) in 70lb. Bright White are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 4.375"L x 8.25"W
- Comes in 70lb. Bright White
Price is $15.79
Unit of measure 50/Pack
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Over 30
Item # : 507802
Model # : QUAR5101
Protect important documents and confidential files by using Quality Park Survivor envelopes.
- Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
- White Tyvek envelopes provide superior protection for mailing important materials or documents
Price is $89.39
Unit of measure 25/Box
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Item # : 261110
Model # : 80278
JAM Paper® 5 1/4" x 7 1/4" Brite hue violet recycled paper envelope in a carton of 25 is made from 30% post consumer paper and is perfect for greeting cards, invitations, weddings or any announcements.
- Violet
- Size: A7 (5 1/4" x 7 1/4")
Price is $10.69
Unit of measure 25/Pack
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Item # : 261563
Model # : 2119018862
JAM® Size 12 Open end recycled brown kraft envelopes in a pack of 25 and are perfect for greeting cards, invitations, weddings or any announcements and has dimension of 4 3/4" x 11".
- Size: #12 Policy (4 3/4" x 11")
- Closure: Gum
Price is $15.49
Unit of measure 25/Pack
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Over 30
Item # : 366684
Model # : 1623194
JAM Paper® Open end envelope measuring 7" x 10" is perfectly sized for business correspondence, comes in white color and is sold as 25 per pack.
- Size: 7" x 10"
- Gummed closure with straight flap
Price is $9.39
Unit of measure 25/Pack
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Over 30
Item # : 1589037
Model # : 31820H
The JAM Paper A6 regular white envelope is optimal for dispatching your personalized messages and invitations.
- Made of 24-lb paper
- Blank interior for personalized message
Price is $49.59
Unit of measure 250/Box
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Item # : 263974
Model # : 13756
JAM Paper® A6 Size clear translucent white envelope in a pack of 25 is perfect for greeting cards, invitations or any other announcements and is made from natural vellum paper.
- Size: A6 (4 3/4" x 6 1/2")
- Closure: Gum
Price is $19.99
Unit of measure 25/Pack
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Over 30
Item # : 24148612
Model # : 811BW-28W-50
LUX 8 3/4 x 11 1/2 Booklet Window Envelopes are perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations
- Dimensions: 8 3/4"L x 11 1/2"W
- Sold 50 per box
Price is $45.99
Unit of measure 50/Pack
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Over 30
Item # : 638568
Model # : QUA50262
Keep items secure with these Quality Park Kraft coin envelopes.
- Simple high-quality currency envelopes that get the job done
- Envelope size: 4 1/4"H x 2 1/2"W
Price is $43.19
Unit of measure 500/Box
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Over 30
Item # : 513229
Model # : QUA37815
Send important papers and small accessories safely with this 100-pack of Quality Park 28-pound brown clasp envelopes.
- Booklet envelopes are a comfortable choice for anyone in need of more spacious envelope option
- Made from brown kraft paper that conceals contents from prying eyes
Price is $63.69
Unit of measure 100/Box
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Over 30
Item # : 2329373
Model # : 4120H
- 50 envelopes per pack
- Made with white paper
Price is $14.49
Unit of measure 50/Pack
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Item # : 24558000
Model # : 13034235D
- Color: Brown Kraft Manila
- Size: 11.5 x 14.5 inches
Price is $55.19
Unit of measure 100/Pack
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Over 30
Item # : 262761
Model # : 2354150
JAM Paper® A7 Size ivory with gold foil lined envelope in a pack of 25 is perfect for greeting cards, invitations, weddings or any announcements and has square gummed flap.
- Ivory with Gold Foil
- Size: A7 (5 1/4" x 7 1/4")
Price is $19.99
Unit of measure 25/Pack
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Item # : 261584
Model # : V01218
- Size: #10 (4 1/8" x 9 1/2")
- Closure: Gum
Price is $12.99
Unit of measure 25/Pack
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Over 30
Item # : 282463
Model # : FE4270-15-50
LUX® Size A2 envelope in holiday red color measuring 4 3/8" x 5 3/4" is designed for letter writers while it is designed to hold a quarter folded sheet of paper and is sold as 50 per pack.
- A2 (4 3/8 x 5 3/4) - Holiday Red are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in Holiday Red, 60lb. Text Paper
Price is $20.09
Unit of measure 50/Pack
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Over 30
Item # : 1277741
Model # : LUX-1590-12-50
LUX Open End Window Envelopes - Pack of 50 sunflower colored peel and press envelopes
- 9 x 12 Open End Window Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures
- Comes in Sunflower, 80lb. Text Paper
Price is $45.59
Unit of measure 50/Pack
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Over 30
Item # : 24557917
Model # : 188047509D
- Color: Blue
- Size: 9 x 12 inches
Price is $71.59
Unit of measure 100/Pack
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Over 30
Item # : 1912862
Model # : V021386B
JAM Paper® Open End Envelopes are great for keeping and sending important papers and documents.
- Black Tyvek Open End Envelopes
- Size: 11.5 x 14.5 inches
Price is $22.09
Unit of measure 10/Pack
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Over 30
Item # : 1277765
Model # : 1590-WLI-250
LUX Open End Window Envelopes - Pack of 250 white linen peel and press envelopes
- 9" x 12" open end window envelopes
- Color: 80 lb. white linen
Price is $157.29
Unit of measure 250/Box
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Over 30
Item # : 445596
Model # : QUA93336
Send large documents securely in these Quality Park expansion envelopes.
- Catalog expansion envelopes offer security for bulky mailings
- Made from extra-heavyweight 40 lbs. brown kraft stock to maintain durability during transit
Price is $65.79
Unit of measure 25/Pack
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Over 30
Item # : 282102
Model # : EX8515-13-50
Lux® Square envelope in baby blue color measuring 5 1/2" x 5 1/2" has a paper weight of 70 lbs and is suited for greeting cards, weddings or any other advertisements.
- 5 1/2 x 5 1/2 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
- Comes in Baby Blue, 80lb. Text Paper
Price is $40.69
Unit of measure 50/Pack
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Over 30
Item # : 1589114
Model # : 4023981I
The JAM Paper A8 regular white square flap envelope is optimal for dispatching your personalized messages and invitations.
- Regular white square flap envelope
- Blank interior for personalized message
Price is $14.49
Unit of measure 50/Pack
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There is something about a square flap on an envelope that denotes importance. It is no wonder then that many significant invitations and announcements are packaged in just such a wrapper. But don't make the mistake of thinking these classic mailers are just for personal use. Businesses can make a similar statement by choosing a square-flapped envelope, with or without a clear window. Peruse the dozens of options available from leading office supply brands like JAM Paper, LUX, and Staples.
Narrow Your Choices
Selecting a business envelope can be more daunting than you think. While it is nice to have choices, narrowing them down can be difficult. Square-flapped envelopes are available in dimensions ranging from 3 1/2" x 6" (the smallest commercial size available) to jumbo 13" x 19" mailers and everything in between, including the standard #10 envelope. As for color? Depending on your needs, 17 different color choices beckon, some with address windows, some without.
Not Quite Done Yet
You've determined your specific needs when it comes to color and size in a square-flapped envelope, but you're not quite done yet. Depending on what you are mailing, you may or may not need clear address windows. If you do need a window, how many and where should they be? Single left, single right, and double left windows are the most popular choices but not the only ones. A full-faced over-sized clear center window is also an option for special mailing projects.
Almost There
It should be apparent by now that the "one size fits all" days of business envelopes are long gone. As are the days when licking or using a sponge to seal them was the only choice. Yes, the old-school sealants are still available, but many other options are, too. Choose redi-seal strips that require no moisture or convenient peel-and-stick closures. Now that you have chosen your square envelope, purchase in packs of as few as 20 or as many as 1,000.
Narrow Your Choices
Selecting a business envelope can be more daunting than you think. While it is nice to have choices, narrowing them down can be difficult. Square-flapped envelopes are available in dimensions ranging from 3 1/2" x 6" (the smallest commercial size available) to jumbo 13" x 19" mailers and everything in between, including the standard #10 envelope. As for color? Depending on your needs, 17 different color choices beckon, some with address windows, some without.
Not Quite Done Yet
You've determined your specific needs when it comes to color and size in a square-flapped envelope, but you're not quite done yet. Depending on what you are mailing, you may or may not need clear address windows. If you do need a window, how many and where should they be? Single left, single right, and double left windows are the most popular choices but not the only ones. A full-faced over-sized clear center window is also an option for special mailing projects.
Almost There
It should be apparent by now that the "one size fits all" days of business envelopes are long gone. As are the days when licking or using a sponge to seal them was the only choice. Yes, the old-school sealants are still available, but many other options are, too. Choose redi-seal strips that require no moisture or convenient peel-and-stick closures. Now that you have chosen your square envelope, purchase in packs of as few as 20 or as many as 1,000.