Price is $17.69
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Price is $10.09
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Price is $33.09
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Price is $40.19
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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 # : 261528
Model # : LEKR650
JAM Paper® A6 Size brown kraft paper bag in a pack of 25 is suitable for greeting cards, weddings or any announcements and has a square gummed flap closure.
- Size: A6 (4 3/4" x 6 1/2")
- Closure: Gum
Price is $13.89
Unit of measure 25/Pack
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Over 30
Item # : 282958
Model # : FLWH4895-03-50
Lux® Size A9 envelope in white with silver lux lining color features 60 lbs basis weight has a dimension of 5 3/4" x 8 3/4", is sold as 50 per pack.
- A9 Foil Lined Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in White w/Silver LUX Lining, 60lb. Text Paper
Price is $42.09
Unit of measure 50/Pack
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Item # : 24260881
Model # : LUX-4895-L20-50
LUX A9 Invitation Envelopes (5 3/4 x 8 3/4) in Citrus are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 5.75"L x 8.75"W
- Comes in Citrus
Price is $25.09
Unit of measure 50/Pack
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Over 30
Item # : 282783
Model # : SH4280-05-50
LUX® Size A7 envelope in lilac color measuring 5 1/4" x 7 1/4" has basis weight of 80 lbs, features a vellum 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 Lilac, 80lb. Text Paper
Price is $27.19
Unit of measure 50/Pack
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Over 30
Item # : 1588611
Model # : 49306I
JAM #3 Coin Envelopes are great for dollar bills, coins receipts, and more!
- Color: Brown Kraft
- Size: #3 (2.5 x 4.25 inches)
Price is $17.69
Unit of measure 100/Pack
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Over 30
Item # : 261229
Model # : 15860
JAM Paper® Size #10 Brite hue orange recycled paper envelope in a pack of 25 has dimension of 4 1/8" x 9 1/2" and is perfect for greeting cards, invitations or other announcements.
- Orange
- Size: #10 (4 1/8" x 9 1/2")
Price is $10.09
Unit of measure 25/Pack
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Over 30
Item # : 2329348
Model # : 1526764I
JAM Paper® #7 Coin Envelopes are ideal for change, sales slips, and more!
- #7 Coin Envelope
- Made with bright blue paper
Price is $33.09
Unit of measure 50/Pack
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Over 30
Item # : 24260390
Model # : 4865-WPC-50
LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) in White - 100% Recycled are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 3.625"L x 5.125"W
- Comes in White - 100% Recycled
Price is $14.29
Unit of measure 50/Pack
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Over 30
Item # : 282542
Model # : FLBK4872-03-50
Lux® Size A4 envelope in black with silver lux lining has a basis weight of 80 lbs & is perfect for offering the perfect fit for 4" x 6" photos & measures 4 1/4" x 6 1/4", is sold as 50 per pack.
- A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in Black w/Silver LUX Lining, 80lb. Text Paper
Price is $35.89
Unit of measure 50/Pack
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Over 30
Item # : 23996805
Model # : WS-7605-50
LUX Offering Envelopes (3 1/8 x 6 1/4) are perfect for fundraising, money collection, church offerings and charity donations.
- Comes in White
- Dimensions: 3.125"L x 6.25"W
Price is $20.69
Unit of measure 50/Pack
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Over 30
Item # : 366239
Model # : 73767B
Tackle everyday business correspondence with these white JAM Paper A7 invitation envelopes.
- Simple high-quality A7 booklet envelopes that get the job done
- Envelope size: 5 1/4"H x 7 1/4"W
Price is $130.79
Unit of measure 1000/Pack
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Over 30
Item # : 24260992
Model # : 4820-GK-50
LUX 6 x 9 Booklet Envelopes in 28lb. Gray Kraft are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
- Dimensions: 6"L x 9"W
- Comes in 28lb. Gray Kraft
Price is $15.29
Unit of measure 50/Pack
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Over 30
Item # : 282597
Model # : EX4875-14-50
Lux® Size A6 square flap side seam envelope sized 4 3/4" x 6 1/2" is candy pink colored, versatile and spacious to hold multitude cards or photos which is sold as 50 per pack.
- Candy pink
- Size: A6 (4 3/4" x 6 1/2")
Price is $25.39
Unit of measure 50/Pack
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Over 30
Item # : 802220
Model # : QUA43511
Quality Parkâ„¢ 9" x 12" Redi-Sealâ„¢ Envelope is manufactured from 100 percent recycled, chlorine-free Kraft paper that gives classic and textured look.
- 9" x 12"
- Redi-Seal requires no moisture to seal - simply raise lower flag and press to close
Price is $24.59
Unit of measure 100/Box
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Over 30
Item # : 365855
Model # : 47385
JAM Paper® 4Bar A1 envelope in regular white color is perfectly sized for everyday business correspondence, measures 3 5/8" x 5 1/8" and is sold as 25 per pack.
- Size: 4bar (3 5/8" x 5 1/8")
- Gummed closure with straight flap
Price is $9.69
Unit of measure 25/Pack
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Over 30
Item # : 24260653
Model # : 10910-50
LUX 6 x 6 Square Envelopes in 70lb. Bright White are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 6"L x 6"W
- Comes in 70lb. Bright White
Price is $17.89
Unit of measure 50/Pack
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Over 30
Item # : 823272
Model # : QUA37875
Replenish the office supply with a bulk dispenser. Keeping a large quantity in stock makes it easy for every employee to access the envelopes as needed.
- Reinforced clasps plus deep gumming
- Rugged Kraft envelopes feature reinforced clasps plus deep gumming on flaps for a secure seal
Price is $36.29
Unit of measure 100/Box
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Over 30
Item # : 261819
Model # : V021378
JAM Paper® 10" x 13" Gold envelopes in a pack of 25 has an open end catalog with square gummed flap and is perfect for greeting cards, invitations, weddings or any announcement.
- Size: 10" x 13"
- Closure: Self adhesive strip
Price is $41.69
Unit of measure 25/Pack
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Over 30
Item # : 282842
Model # : 4880-WPC-50
LUX size A7 envelope in white color measuring 5 1/4" x 7 1/4" has basis weight of 80 lbs features a smooth finish.
- Laser printer compatible
- Choose from an assortment of delightful colors and send your next invitation or letter in style
Price is $23.89
Unit of measure 50/Pack
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Over 30
Item # : 384587
Model # : 4860-NPC-1000
LUX 80lb. Natural - 100% Recycled #10 Square Flap Envelopes (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.
- #10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail
- Comes in Natural - 100% Recycled, 80lb. Text Paper
Price is $179.79
Unit of measure 1000/Box
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Over 30
Item # : 892994
Model # : QUAR4520
Protect important documents or accessories with this box of 100 Quality Park Survivor Tyvek white lightweight open-end expansion 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 $349.19
Unit of measure 100/Carton
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Over 30
Item # : 282920
Model # : 5395-07-50
LUX® Size A9 envelope in gold metallic color measuring 5 3/4" x 8 3/4" has a basis weight of 80 lbs and is sold as 50 per pack.
- A9 Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in Gold Metallic, 80lb. Text Paper
Price is $44.09
Unit of measure 50/Pack
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Over 30
Item # : 366717
Model # : 1623202
JAM Paper Open end envelope measuring 12" x 15 1/2" is perfectly sized for business correspondence, comes in white color and is sold as 25 per pack.
- Gummed closure with straight flap
- Perfect for greeting cards, invitations, weddings or any announcement
Price is $20.29
Unit of measure 25/Pack
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Over 30
Item # : 282099
Model # : 8504-AO-50
Lux® Square envelope in bright white color is perfect for handing out personal thank you notes, to use as gratuity envelope and more and measures 4" x 4", is sold as 50 per pack.
- 4 x 4 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
- Comes in 70lb. Bright White, 70lb. Text Paper
Price is $25.39
Unit of measure 50/Pack
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Over 30
Item # : 282354
Model # : 5365-12-50
Lux® Size A1 envelope in bronze metallic color is best suited for RSVP as well as occasions calling for a dainty announcements and measures 3 5/8" x 5 1/8", is sold as 50 per pack.
- A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in Bronze Metallic, 80lb. Text Paper
Price is $13.79
Unit of measure 50/Pack
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Over 30
Item # : 24261154
Model # : 5350-06-50
LUX 9 x 12 Booklet Envelopes in Silver Metallic are perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations and more!
- Dimensions: 9"L x 12"W
- Comes in Silver Metallic
Price is $38.91
Unit of measure 50/Pack
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Over 30
Item # : 282284
Model # : 8545-03-50
Lux® Square envelope in natural color of size 7" x 7" provides a bit of sparkle to your event and comes with a contour flap, is sold as 50 per pack.
- Natural
- Size: 7" x 7"
Price is $40.09
Unit of measure 50/Pack
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Over 30
Item # : 282792
Model # : 4880-NLI-50
LUX® Size A7 envelope in natural linen color is perfect for social and announcements functions, it may also be utilized as an outer envelope for invitation purposes and has a size of 5 1/4" x 7 1/4", 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 Natural Linen, 80lb. Text Paper
Price is $27.19
Unit of measure 50/Pack
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Over 30
Item # : 23995922
Model # : 7489-W2-1000
LUX W-2 / 1099 Envelopes (5 3/4 x 8) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail
- Comes in White
- Dimensions: 5.75"L x 8"W
Price is $261.29
Unit of measure 1000/Pack
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Over 30
Item # : 261316
Model # : 439911145B
JAM Paper® 4.5" x 4.5" White squared envelope with 100 pieces is perfect for greeting cards and weddings making your invitation a sparkle.
- Size: 4 1/2" x 4 1/2"
- Closure: Gum
Price is $35.59
Unit of measure 100/Box
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Over 30
Item # : 263522
Model # : 920V0CL
JAM Paper® Plastic Envelopes have 12 document holders that are the perfect way to organize index cards and other small papers
- Color: Clear
- Size: 5.5 x 7.5 inches
Price is $40.19
Unit of measure 12/Pack Price per unit $3.35/Envelope
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Over 30
Item # : 2146105
Model # : WS-4894-ST-50
LUX 9 x 12 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!
- 9 x 12 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures
- Comes in 28lb. White w/ Security Tint, 28lb. Text Paper
Price is $71.49
Unit of measure 50/Pack
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Over 30
Item # : 262541
Model # : 194891
- Opening: Booklet
- Size: 4 bar A1 (3 5/8" x 5 1/8")
Price is $11.19
Unit of measure 25/Pack
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Over 30
Item # : 2622379
Model # : QUAR4450
Quality Park Tyvek® Expansion white envelopes featuring expanding gusset and self adhesive closure measures 10" x 15" x 2" and has a redi strip closure that doesn't require moisture to seal which is sold as 100 per pack.
- Size: 10" x 15" x 2"
- Self-sealing open side flap stik closure
Price is $317.29
Unit of measure 100/Carton
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Over 30
Item # : 24557871
Model # : 400238463D
- Color: Brown Kraft Manila
- Size: #6 (3 3/8 x 6 inches)
Price is $22.09
Unit of measure 100/Pack
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Over 30
Item # : 377337
Model # : QUA41665
- Business and commercial use
- Gummed flap
Price is $69.59
Unit of measure 250/Box
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Over 30
Item # : 261303
Model # : 28417
JAM Paper® Regular square envelope of dimension 6.5" x 6.5" in white color with peel and seal closure is perfect for greeting cards, invitations, weddings or any announcement.
- Size: 6 1/2" x 6 1/2"
- Closure: Gum
Price is $25.19
Unit of measure 25/Pack
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Over 30
Item # : 24260318
Model # : 4870-NLI-50
LUX A2 (4 3/8 x 5 3/4) - Natural Linen in Natural Linen are perfect for invitations, greeting cards, thank you cards, and is ideal for letters as it's designed to fit quarter-folded sheets of paper.
- Dimensions: 4.375"L x 5.75"W
- Comes in Natural Linen
Price is $15.79
Unit of measure 50/Pack
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Item # : 282504
Model # : 5370-06-50
LUX® Size A2 envelope in silver metallic color measuring 4 3/8" x 5 3/4" is best suited for letter writers while it is designed to hold a quarter folded sheet of paper and is sold as 50 per pack.
- Silver metallic
- Size: A2 (4 3/8" x 5 3/4")
Price is $15.95
Unit of measure 50/Pack
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Over 30
Item # : 683576
Model # : QUA63663
Share documents with coworkers when you use these Quality Park 10 x 13-inch treated white-wove string-and-button closure interdepartmental envelopes.
- Treated Interdepartmental envelopes are easy to spot as being confidential
- Envelope size: 10"H x 13W"
Price is $131.39
Unit of measure 100/Box
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Over 30
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.