Price is $29.89
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Price is $58.59
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Price is $24.89
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Price is $16.69
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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 # : 609123
Model # : ST609123-CC
Transport, ship or store large files with this 100-pack of Staples 12 x 15.5-inch white self-sealing wove catalog envelopes.
- Catalog envelope is perfect for brochures and documents
- Comes in white and made of paper
Price is $37.29
Unit of measure 100/Box
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Over 30
Item # : 884782
Model # : ST19965
Send photos, files and promotional materials with these Staples natural brown clasp-closure 100 percent recycled envelopes.
- Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
- Comes in brown and made of paper
Price is $35.29
Unit of measure 100/Box
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Item # : 1588429
Model # : 921Z1RBGOPCL
Protect small items from moisture and other types of damage with this 6-pack of JAM Paper #10 plastic assorted-color zip-closure envelopes.
- Made of plastic in assorted colors
- Easily fits standard 5" x 10" documents and smaller items
Price is $30.99
Unit of measure 6/Pack Price per unit $5.16/Envelope
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Item # : 456561
Model # : QUAS3615
Stronger and more durable than traditional paper envelopes.
- Color: White
- Envelope size: 9" x 12"
Price is $114.89
Unit of measure 100/Box
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Item # : 24557949
Model # : 13034236I
- Color: Brown Kraft Manila
- Size: 12 x 15.5 inches
Price is $29.89
Unit of measure 50/Pack
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Item # : 1277747
Model # : 1590-WLI-50
LUX Open End Window Envelopes - Pack of 50 white linen peel and press envelopes
- 9" x 12" open end window envelopes
- Color: 80 lb. white linen
Price is $58.59
Unit of measure 50/Pack
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Item # : 24295151
Model # : 313011452I
JAM Paper Open end envelope measuring 11 1/2" x 14 1/2" is perfectly sized for business correspondence, comes in white color and is sold as 50 per pack.
- Perfect for greeting cards, invitations, weddings or any announcement
- Gummed closure with straight flap
Price is $24.89
Unit of measure 50/Pack
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Item # : 24557958
Model # : 400238462D
- Color: Brown Kraft Manila
- Size: #5 1/2 Coin (3.125 x 5.5 inches)
Price is $16.69
Unit of measure 100/Pack
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Item # : 260612
Model # : ST19295VP-CC
Make addresses stand out with this 100-pack of Staples 9 x 12-inch white wove self-sealing catalog envelopes.
- Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
- White paper shows labeling and writing clear and concise
Price is $51.79
Unit of measure 100/Box
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Item # : 827896
Model # : QUAR1590
Protect important documents and confidential files with this pack of Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer 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 $131.69
Unit of measure 100/Box
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Over 30
Item # : 650000
Model # : QUA42354
Store valuable documents with this 25-count box of 14 x 18-inch Jumbo Quality Park Kraft catalog envelopes.
- Catalog envelopes for mailing, storage, and organizing
- Manufactured from 28 lbs. brown kraft stock that can withstand extensive handling and reuse
Price is $38.69
Unit of measure 25/Box
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25% off of Staples Tyvek EasyClose Catalog Envelopes, 12"L x 15.5"H, White, 100/Box (ST19869)
Item # : 534941
Model # : ST19869
Seal envelopes shut securely by using this 100-pack of Staples Tyvek EasyClose 12 x 15.5-inch catalog envelopes.
- Tyvek Catalog envelopes are perfect for bulky printed materials
- White Tyvek envelope provides superior protection for mailing important materials or documents
Price is $96.97, Regular price was $129.29, You save 25%
Unit of measure 100/Box
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Item # : 377340
Model # : QUA42353
Store and organize administrative paperwork and other documents using this 25-count box of Quality Park 12.5 x 18.5-inch jumbo catalog envelopes.
- Jumbo envelope is used for sending flat, heavy materials or many small items like coins and catalogs
- Kraft paper in brown color provides durability
Price is $27.49
Unit of measure 25/Pack
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Item # : 813455
Model # : QUA37893
9.24" x 12 1/2" brown Kraft clasp envelope has heavily gummed flap closure and ideal for office, school and home use.
- Size: #93 (9 1/4" x 12 1/2")
- Features reinforced clasp plus deep gumming for a secure seal
Price is $35.03
Unit of measure 100/Box
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Item # : 282721
Model # : 72940-50
LUX® Size A7 Envelope in bright white color measuring 5 1/4" x 7 1/4" has basis weight of 24 lbs features a smooth finish and is sold as 50 per pack.
- A7 Invitation Envelopes (5 1/4 x 7 1/4) are perfect for party invites/thank you cards/wedding invites/announcements/5x7 photos
- Comes in 24lb. Bright White, 24lb. Text Paper
Price is $25.39
Unit of measure 50/Pack
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Item # : 2708498
Model # : QUAR4611
Mailer is made of durable, DuPont Tyvek to deliver a high level of protection for your shipments while keeping shipping costs to a minimum.
- 2" Expandable design provides extra room to accommodate larger items
- Open Side Expansion Mailers Made with Tyvek offer moisture- and rip-resistance. Delivers heavyweight protection
Price is $96.79
Unit of measure 25/Pack
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Over 30
Item # : 2301089
Model # : TYE10152WS
Tyvek envelopes provide superior puncture, tear and moisture protection.
- Tyvek Envelopes useful for shipping flat items such as documents or catalogs
- White Tyvek constructed from 18 lb. olefin
Price is $302.99
Unit of measure 100/Carton
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Item # : 261295
Model # : 439911145
JAM Paper® Square envelope of dimension 4.5" x 4.5" in white color with peel and seal closure is perfect for greeting cards, invitations, weddings or any announcement.
- Size: 4 1/2" x 4 1/2"
- Closure: Gum
Price is $11.19
Unit of measure 25/Pack
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Item # : 831278
Model # : QUAR4200
Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items which are not too heavy.
- For bulky mailings that need extra protection
- Convenient Flap-Stik closure
Price is $277.39
Unit of measure 100/Carton
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Item # : 427808
Model # : QUAR4610
Protect booklets, brochures, and other items while in transit with these Quality Park Survivor Tyvek self-seal expansion catalog mailers.
- 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 $193.99
Unit of measure 100/Carton
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Item # : 366031
Model # : 4238
- Size: 6" x 9"
- Gummed closure with straight flap
Price is $13.29
Unit of measure 25/Pack
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Item # : 510663
Model # : QUA37798
Quality Park 10" x 15" Clasp envelope in brown color features a heavily gummed flap with sturdy metal clasp for secured seal.
- Heavily gummed flap with sturdy, reusable metal clasp provides extra holding power
- Extra-heavyweight stock is ideal for heavy or bulky mailings
Price is $47.79
Unit of measure 100/Box Price per unit $0.48/Envelope
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Item # : 24260414
Model # : LUXA7GF-103-50
LUX A7 Gatefold Invitation (5 x 7) in Navy are perfect for announcing your event using a classic Gatefold style invitation!
- Dimensions: 5"L x 7"W
- Comes in Navy
Price is $32.59
Unit of measure 50/Pack
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Over 30
Item # : 247643
Model # : 19723/19303
Coins and Small objects Security
- Heavy weight and secure 28 Lb Brown Kraft
- 3 3/8"x6"
Price is $29.99
Unit of measure 250/Box
1-hr pickup
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Item # : 2146684
Model # : WS-3133-50
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 $33.09
Unit of measure 50/Pack
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Item # : 2103327
Model # : MOOP6250LDIC
Ensure cards and invitations look their best with this 100-pack of JAM Paper white booklet envelopes.
- Simple high quality A2 catalog envelopes, that get the job done
- Envelope size: 4 3/8"H x 5 3/4"W
Price is $23.89
Unit of measure 100/Pack
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Over 30
Item # : 534750
Model # : ST19819-CC
Prevent catalogs, forms and price lists from getting damaged with this 100-pack of Staples kraft 10 x 13-inch brown heavily gummed catalog envelopes.
- Catalog envelopes are perfect for catalogs, brochures, and pricelists
- Made from brown kraft paper that conceals contents from prying eyes
Price is $43.09
Unit of measure 100/Box
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Item # : 260827
Model # : 67503
JAM Paper® A6 Christmas Red recycled paper envelope. Perfect for greeting cards, invitations, weddings or any announcements and is made from 30% post consumer paper. Pack of 25.
- Size: A6 (4 3/4" x 6 1/2")
- Closure: Gum
Price is $11.19
Unit of measure 25/Pack
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Item # : 24365026
Model # : 900493255D
- Quantity: 50 per pack
- Fashioned from 28 lb paper and features a gum closure
Price is $28.69
Unit of measure 50/Pack
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Over 30
Item # : 366708
Model # : 1623199
JAM Paper® Open end envelope measuring 10" x 13" is perfectly sized for business correspondence, comes in white color and is sold as 25 per pack.
- Size: 10" x 13"
- Gummed closure with straight flap
Price is $16.69
Unit of measure 25/Pack
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Over 30
Item # : 813458
Model # : QUAR4202
Protect important documents and confidential files with this pack of Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer envelopes.
- Expansion envelopes offer security for bulky mailings
- White Tyvek envelopes provide superior protection for mailing important materials or documents
Price is $76.69
Unit of measure 25/Box
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Over 30
Item # : 487765
Model # : ST50192
Send mail with confidence with this 100-pack of Staples 10 x 13-inch white wove side-opening booklet envelopes.
- Booklet envelopes keep your documents flat in the mail
- Envelope size: 10"H x 13"W
Price is $47.99
Unit of measure 100/Box
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Over 30
Item # : 366148
Model # : 13751
JAM Paper® Booklet envelope measuring 9" x 12" is perfectly sized for everyday business correspondence, comes in white color and is sold as 25 per pack.
- Size: 9" x 12"
- Gummed closure with straight flap
Price is $16.19
Unit of measure 25/Pack
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Over 30
Item # : 24261177
Model # : 49420-50
LUX 5 1/2 x 8 1/2 Booklet Envelopes in 24lb. Bright White are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
- Dimensions: 5.5"L x 8.5"W
- Comes in 24lb. Bright White
Price is $15.39
Unit of measure 50/Pack
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Over 30
Item # : 534826
Model # : ST534826-CC
Keep official documents dry and undamaged in transit with this box of 100 Staples brown kraft self-sealing catalog envelopes.
- Catalog envelope is perfect for photographs, documents, and folders
- Comes in brown and made of kraft
Price is $36.79
Unit of measure 100/Box
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Over 30
Item # : 534818
Model # : ST534818-CC
Safely mail documents and magazines with this 100-pack of Staples 10 x 13-inch brown kraft self-sealing catalog envelopes.
- Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
- Made from brown kraft paper that conceals contents from prying eyes
Price is $56.09
Unit of measure 100/Box
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Over 30
Item # : 24260686
Model # : 75761-50
LUX #10 Window Envelopes (4 1/8 x 9 1/2) in White w/ Peel & Seel® are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
- Dimensions: 4.125"L x 9.5"W
- Comes in White w/ Peel & Seel®
Price is $25.39
Unit of measure 50/Pack
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Over 30
Item # : 2329385
Model # : 4100H
- 5 1/2" x 7 1/2" Open End
- 5 1/2" x 7 1/2" Open End Envelopes
Price is $14.49
Unit of measure 50/Pack
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Item # : 24557954
Model # : 400238465D
- Color: Brown Kraft Manila
- Size: 5.5 x 7.5 inches
Price is $27.59
Unit of measure 100/Pack
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Over 30
Quality Park Clasp & Moistenable Glue Kraft Catalog Envelope, 10 1/2" x 7 1/2", Kraft, 100/Box (37775) is Out of stock
Item # : 507821
Model # : QUA37775
Quality Park 7 1/2" x 10 1/2" Clasp envelope in brown color features a heavily gummed flap with sturdy metal clasp for secured seal.
- Heavily gummed flap with sturdy, reusable metal clasp provides extra holding power
- Extra-heavyweight stock is ideal for heavy or bulky mailings
Unit of measure 100/Box
Related Searches
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.