Sponsored Products
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LUX Self Seal Booklet Envelope, 6" x 9", Natural, 500/Pack (6025-01-500)~#|#~sp14807416_sc7
Item: 24261161
Model: 6025-01-500
No reviews yet
Price is $93.09
Unit of measure 500/Pack
Free delivery by Wed, Feb 18
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JAM Paper 8.5 x 8.5 Square Strathmore Invitation Envelopes, Bright White Wove, 25/Pack (900858534)~#|#~m007162596_sc7JAM Paper 8.5 x 8.5 Square Strathmore Invitation Envelopes, Bright White Wove, 25/Pack (900858534)~#|#~m007162595_sc7
Item: 262536
Model: 900858534
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 5 x 5 Square Envelopes, 50/Box, Natural - 100% Recycled (8505-NPC-50)~#|#~m000081528_sc7
Item: 282161
Model: 8505-NPC-50
No reviews yet
Price is $35.89
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Dark Purple, 50/Pack (563912518I)~#|#~m003905003_sc7JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Dark Purple, 50/Pack (563912518I)~#|#~m003905002_sc7
Item: 1588602
Model: 563912518I
No reviews yet
Price is $26.09
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 500/Box (31820D)~#|#~m003904578_sc7JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 500/Box (31820D)~#|#~m003904577_sc7
Item: 2103324
Model: 31820D
No reviews yet
Price is $89.49
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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JAM Paper A2 Parchment Invitation Envelopes, 4.375 x 5.75, Natural Recycled, 25/Pack (34777)~#|#~m000067946_sc7
Item: 261876
Model: 34777
Price is $11.49
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper Booklet Envelope, 6" x 9", White, 1000/Carton (04238B)~#|#~39093D30-8F6E-40D6-90A5DA75D1967EA9_sc7JAM Paper Booklet Envelope, 6" x 9", White, 1000/Carton (04238B)~#|#~sp137086234_sc7
Item: 366303
Model: 04238B
No reviews yet
Price is $206.59
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX A2 (4 3/8 x 5 3/4) 1000/Box, Wasabi (FE4270-22-1000)~#|#~m000081838_sc7
Item: 387826
Model: FE4270-22-1000
No reviews yet
Price is $132.35
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Blue Recycled, Bulk 1000/Carton (54093B)~#|#~m003904598_sc7JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Blue Recycled, Bulk 1000/Carton (54093B)~#|#~m003904597_sc7
Item: 261260
Model: 54093B
No reviews yet
Price is $248.79
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX A7 Foil Lined Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Navy w/Gold LUX Lining (FLNV4880-04-50)~#|#~m000082057_sc7
Item: 282799
Model: FLNV4880-04-50
Price is $41.99
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Midnight Black, 50/Pack (LUX-8510-B-50)~#|#~sp225303105_sc7JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Midnight Black, 50/Pack (LUX-8510-B-50)~#|#~sp225303104_sc7
Item: 24578545
Model: LUX-8510-B-50
No reviews yet
Price is $14.99
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 250/Box, Wasabi (LUX-1CO-L22-250)~#|#~m001149687_sc7
Item: 1028520
Model: LUX-1CO-L22-250
No reviews yet
Price is $84.69
Free delivery by Wed, Feb 18
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JAM Paper 10 x 13 Open End Catalog Colored Envelopes, Orange Recycled, 50/Pack (87766i)~#|#~sp12489312_sc7JAM Paper 10 x 13 Open End Catalog Colored Envelopes, Orange Recycled, 50/Pack (87766i)~#|#~sp12489311_sc7
Item: 24175054
Model: 87766I
Price is $45.19
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Fuchsia Pink, 25/Pack (15847)~#|#~m003904529_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Fuchsia Pink, 25/Pack (15847)~#|#~m003904528_sc7
Item: 263898
Model: 15847
Price is $20.49
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper Self Seal Business Envelope, 4 1/8 x 9 1/2, Cotton Gray, 250 Pack (4860-SG-250)~#|#~sp226423810_sc7JAM Paper Self Seal Business Envelope, 4 1/8 x 9 1/2, Cotton Gray, 250 Pack (4860-SG-250)~#|#~sp226423809_sc7
Item: 24578400
Model: 4860-SG-250
No reviews yet
Price is $81.29
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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JAM Paper #5.5 Kraft Coin Business Envelopes, 3.125 x 5.5, Brown Kraft Manila, Bulk 1000/Carton (01623991B)~#|#~m002934566_sc7JAM Paper #5.5 Kraft Coin Business Envelopes, 3.125 x 5.5, Brown Kraft Manila, Bulk 1000/Carton (01623991B)~#|#~m002934565_sc7
Item: 1227825
Model: 01623991B
Price is $105.09
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 70lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Candy Pink, 500/BX~#|#~m004940458_sc7LUX 70lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Candy Pink, 500/BX~#|#~m005824001_sc7
Item: 386325
Model: EX4860-14-500
No reviews yet
Price is $143.19
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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JAM Paper #6 Coin Business Envelopes, 3.375 x 6, White, Bulk 1000/Carton (01623184B)~#|#~sp137086855_sc7JAM Paper #6 Coin Business Envelopes, 3.375 x 6, White, Bulk 1000/Carton (01623184B)~#|#~sp137086233_sc7
Item: 362634
Model: 01623184B
No reviews yet
Price is $155.89
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX #5 1/2 Kraft Coin Envelopes (3 1/8 x 5 1/2) 250/Pack, 28lb. Gray Kraft (512CO-28GK-250)~#|#~D2C83030-76AC-4F7F-8FBEC149A7784303_sc7LUX #5 1/2 Kraft Coin Envelopes (3 1/8 x 5 1/2) 250/Pack, 28lb. Gray Kraft (512CO-28GK-250)~#|#~A2836B8F-A2B7-412F-B738A0933F1B9BDD_sc7
Item: 24261027
Model: 512CO-28GK-250
No reviews yet
Price is $43.49
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Brown, 25/Pack (V01722)~#|#~sp137084310_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Brown, 25/Pack (V01722)~#|#~sp137084266_sc7
Item: 261870
Model: V01722
No reviews yet
Price is $18.69
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Spring Ochre Ivory, 25/Pack (1591612)~#|#~sp122682052_sc7JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Spring Ochre Ivory, 25/Pack (1591612)~#|#~sp122682048_sc7
Item: 262221
Model: 1591612
No reviews yet
Price is $29.59
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Silver Metallic (5370-06-50)~#|#~m000081736_sc7
Item: 282504
Model: 5370-06-50
Price is $16.39
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Violet Purple Recycled, 50/Pack (353027837I)~#|#~m003758028_sc7JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Violet Purple Recycled, 50/Pack (353027837I)~#|#~m003750607_sc7
Item: 2329395
Model: 353027837I
No reviews yet
Price is $17.09
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX 6 1/2 x 6 1/2 Foil Lined Square Envelopes, 50/Box, White w/Red LUX Lining (FLWH8535-01-50)~#|#~m000081599_sc7
Item: 282242
Model: FLWH8535-01-50
No reviews yet
Price is $27.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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Partners Brand Tyvek Self Seal Catalog Envelope 10" x 13", 100/Carton (TYE10131WE)~#|#~98A96820-AB4B-4D14-A461DB5CD0FC5082_sc7
Item: 2301090
Model: TYE10131WE
No reviews yet
Price is $234.99
Unit of measure 100/Carton
Free delivery by Mon, Feb 16
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Violet Purple, 50/Pack (15864I)~#|#~sp112110499_sc7JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Violet Purple, 50/Pack (15864I)~#|#~sp112110498_sc7
Item: 1590445
Model: 15864I
Price is $20.49
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX 80lb 4 1/8"x9 1/2" Open End #10 Envelopes W/Peel&Press, White, 500/BX~#|#~m000211244_sc7
Item: 515049
Model: 7716-WPC-500
No reviews yet
Price is $144.69
Free delivery by Wed, Feb 18
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LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 500/Box, Teal (LUX-1CO-25-500)~#|#~m001149689_sc7
Item: 1028523
Model: LUX-1CO-25-500
No reviews yet
Price is $68.39
Free delivery by Wed, Feb 18
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JAM Paper #7 Coin Business Colored Envelopes, 3.5 x 6.5, Red Recycled, 25/Pack (355228282)~#|#~m002934588_sc7JAM Paper #7 Coin Business Colored Envelopes, 3.5 x 6.5, Red Recycled, 25/Pack (355228282)~#|#~m002934587_sc7
Item: 1589512
Model: 355228282
No reviews yet
Price is $9.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 5 x 5 Square Envelopes, 500/Box, Natural - 100% Recycled (8505-NPC-500)~#|#~m000081528_sc7
Item: 514837
Model: 8505-NPC-500
No reviews yet
Price is $130.89
Free delivery by Wed, Feb 18
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LUX A8 Foil Lined Invitation Envelopes (5 1/2 x 8 1/8) 500/Box, White w/Black LUX Lining (FLWH4885-02-500)~#|#~m000082133_sc7
Item: 513796
Model: FLWH4885-02-500
No reviews yet
Price is $129.80
Free delivery by Wed, Feb 18
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JAM PAPER Cellophane Envelope with Self Adhesive Closure, 13 7/16" x 19 1/4", Clear, 1000/Pack (V018303B)~#|#~sp97150537_sc7JAM PAPER Cellophane Envelope with Self Adhesive Closure, 13 7/16" x 19 1/4", Clear, 1000/Pack (V018303B)~#|#~sp97150605_sc7
Item: 262068
Model: V018303B
No reviews yet
Price is $931.89
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, Mandarin (EX8515-11-250)~#|#~m000081488_sc7
Item: 387030
Model: EX8515-11-250
No reviews yet
Price is $95.07
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 250/Box, Grocery Bag (8505-GB-250)
Item: 514968
Model: 8505-GB-250
Price is $64.69
Free delivery by Wed, Feb 18
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LUX Double Window Invoice Envelopes (4 1/8 x 9 1/8) 1000/Box, Grocery Bag (INVDW-GB-1M)~#|#~m004063728_sc7
Item: 2147434
Model: INVDW-GB-1M
No reviews yet
Price is $202.05
Unit of measure 1000/Pack
Free delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Jupiter Metallic (5380-20-50)~#|#~m005902315_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Jupiter Metallic (5380-20-50)~#|#~m005823953_sc7
LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Jupiter Metallic (5380-20-50) is Out of stock
Item: 282777
Model: 5380-20-50
Price is $24.95
Unit of measure 50/Pack
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.