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LUX 9 x 12 Open End Envelopes, 500/Box, Gold Metallic (4894-07-500)~#|#~m001149712_sc7
Item: 1028616
Model: 4894-07-500
No reviews yet
Price is $353.89
Free delivery by Wed, Feb 18
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LUX 6 x 6 Square Envelopes 50/Pack, Natural (8525-03-50)~#|#~sp14807839_sc7
Item: 24261194
Model: 8525-03-50
No reviews yet
Price is $15.39
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 500/Box, Gold Metallic (8535-07-500)~#|#~m000081570_sc7
Item: 385780
Model: 8535-07-500
No reviews yet
Price is $197.07
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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LUX #7 Coin Envelopes (3 1/2 x 6 1/2) 250/Pack, Limelight (LUX-7CO-101-250)~#|#~sp14807797_sc7
Item: 24260385
Model: LUX-7CO-101-250
No reviews yet
Price is $40.89
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Avocado (EX4865-27-500)~#|#~m000081685_sc7
Item: 514462
Model: EX4865-27-500
No reviews yet
Price is $104.39
Free delivery by Wed, Feb 18
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JAM Paper Cellophane Envelope with Peel & Seal Closure, 16.4375 x 20.125, Clear, 1000/Carton (16.520125CELLOB)~#|#~m000068422_sc7
Item: 262940
Model: 16.520125CELLOB
No reviews yet
Price is $1,141.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 9 x 12 Open End Envelopes 50/Pack, Clear Translucent (E4894-00-50)~#|#~sp14807567_sc7
Item: 24260271
Model: E4894-00-50
No reviews yet
Price is $54.89
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX #10 All Purpose Window (4 1/8 x 9 1/2) 250/Box, 24lb. White w/ Sec Tint (WS-3133-250)~#|#~m004064002_sc7
Item: 2146680
Model: WS-3133-250
No reviews yet
Price is $72.79
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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JAM Paper #10 Business Envelopes, 4.125 x 9.5, Baby Blue, Bulk 500/Box (2155778H)~#|#~5919944E-7278-4F67-B9B9763E17C6E6FD_sc7JAM Paper #10 Business Envelopes, 4.125 x 9.5, Baby Blue, Bulk 500/Box (2155778H)~#|#~CFA949F6-6990-4C05-988C673881FE92FF_sc7
Item: 1589634
Model: 2155778H
No reviews yet
Price is $138.79
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 5.4375 x 8.625, Aqua Blue, 100/Pack (2784901)~#|#~m000969568_sc7
Item: 235425
Model: 2784901
No reviews yet
Price is $59.99
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Yellow Recycled, 25/Pack (96326)~#|#~m003904698_sc7JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Yellow Recycled, 25/Pack (96326)~#|#~m003904697_sc7
Item: 260983
Model: 96326
Price is $11.49
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper Open End Catalog Envelopes, 9" x 12", White, 100/Pack (212816044f)~#|#~sp95009160_sc7JAM Paper Open End Catalog Envelopes, 9" x 12", White, 100/Pack (212816044f)~#|#~sp95008983_sc7
Item: 2633005
Model: 212816044F
No reviews yet
Price is $101.49
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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80 lb 5 3/4" x 5 3/4" Peel & Press Square Linen Envelopes, White, 250/Box~#|#~m001149702_sc7
Item: 1028576
Model: 8520-WLI-250
No reviews yet
Price is $108.79
Free delivery by Wed, Feb 18
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JAM Paper Self Seal Invitation Envelope, 3 1/4 x 3 1/4 , Smoke,  50 Pack, Gray (8503-22-50)~#|#~sp226423823_sc7JAM Paper Self Seal Invitation Envelope, 3 1/4 x 3 1/4 , Smoke,  50 Pack, Gray (8503-22-50)~#|#~sp226423822_sc7
Item: 24578484
Model: 8503-22-50
No reviews yet
Price is $15.79
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper 10" x 13" Open End Catalog Colored Envelopes, Orange Recycled, 10/Pack (87766B)~#|#~m003904658_sc7JAM Paper 10" x 13" Open End Catalog Colored Envelopes, Orange Recycled, 10/Pack (87766B)~#|#~m003574755_sc7
Item: 38276
Model: 87766B
No reviews yet
Price is $18.99
Unit of measure 10/Pack
Delivery by Mon, Feb 16
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LUX 5 1/2 x 5 1/2 Square Envelopes, 50/Box, Clear Translucent (8515-50-50)~#|#~m000081479_sc7
Item: 282110
Model: 8515-50-50
No reviews yet
Price is $40.99
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 250/Box, Blonde Metallic (1COBLON-250)~#|#~m003307889_sc7
Item: 1985181
Model: 1COBLON-250
No reviews yet
Price is $80.69
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Earth Brown, 25/Pack (1591937)~#|#~m000068859_sc7
Item: 263680
Model: 1591937
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX Open End Envelopes 9" x 12", Pool Blue~#|#~m001406667_sc7
Item: 1277800
Model: LUX-1590-102-1M
No reviews yet
Price is $489.89
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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JAM Paper 4Bar A1 Parchment Invitation Envelopes, 3.625 x 5.125, White Recycled, 50/Pack (900926656I)~#|#~m002168862_sc7
Item: 1588631
Model: 900926656I
Price is $18.89
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper A6 Strathmore Invitation Envelopes, 4.75 x 6.5, Natural White Wove, 50/Pack (30243I)~#|#~m007159123_sc7JAM Paper A6 Strathmore Invitation Envelopes, 4.75 x 6.5, Natural White Wove, 50/Pack (30243I)~#|#~m007159122_sc7
Item: 1588851
Model: 30243I
No reviews yet
Price is $19.49
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper A7 Foil Lined Invitation Envelopes, 5.25 x 7.25, White with Silver Foil, 25/Pack (3243671)~#|#~m004671937_sc7JAM Paper A7 Foil Lined Invitation Envelopes, 5.25 x 7.25, White with Silver Foil, 25/Pack (3243671)~#|#~m004671936_sc7
Item: 262759
Model: 3243671
Price is $17.09
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 9 x 12 Booklet Envelopes 50/Pack, Crystal Clear (CC9X12-50)~#|#~sp14807543_sc7
Item: 24261196
Model: CC9X12-50
No reviews yet
Price is $44.39
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper 13 1/2 Square Invitation Envelope, 13 1/2" x 13 1/2", White, 25/Pack (3992323)~#|#~sp118566188_sc7JAM Paper 13 1/2 Square Invitation Envelope, 13 1/2" x 13 1/2", White, 25/Pack (3992323)~#|#~sp118566187_sc7
Item: 261312
Model: 3992323
Price is $43.59
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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JAM Paper Gummed A7 Invitation Envelopes, 5 1/4" x 7 1/4", White, 1000/Carton (73767B)~#|#~sp70241006_sc7JAM Paper Gummed A7 Invitation Envelopes, 5 1/4" x 7 1/4", White, 1000/Carton (73767B)~#|#~sp70241005_sc7
Item: 366239
Model: 73767B
Price is $134.09
Unit of measure 1000/Pack
Free delivery by Mon, Feb 16
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JAM PAPER 7.5 x 7.5 Square Invitation Envelopes, Ivory, 100/Pack (23131971)~#|#~sp20131965_sc7JAM PAPER 7.5 x 7.5 Square Invitation Envelopes, Ivory, 100/Pack (23131971)~#|#~sp20131964_sc7
Item: 24295249
Model: 23131971
No reviews yet
Price is $73.29
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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JAM Paper Self Seal Catalog Envelope, 9" x 12", Orange, 50/Pack (185747509I)~#|#~E1491002-11D6-4110-A0E13D4D3716DCF8_sc7
Item: 24557923
Model: 185747509I
No reviews yet
Price is $45.19
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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LUX 60lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Peel & Press, White/Black LUX, 250/BX~#|#~m000082189_sc7
Item: 387930
Model: FLWH4895-02-250
No reviews yet
Price is $100.89
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) - Blush 500/Pack, Blush (LUX-4870-39-500)~#|#~sp5822112_sc7LUX A2 (4 3/8 x 5 3/4) - Blush 500/Pack, Blush (LUX-4870-39-500)~#|#~sp5874317_sc7
Item: 23996648
Model: LUX-4870-39-500
No reviews yet
Price is $113.15
Unit of measure 500/Pack
Free delivery by Wed, Feb 18
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JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Natural White Wove, 25/Pack (34992)~#|#~m007159127_sc7JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Natural White Wove, 25/Pack (34992)~#|#~m007159126_sc7
JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Natural White Wove, 25/Pack (34992) is Out of stock
Item: 262547
Model: 34992
No reviews yet
Price is $20.49
Unit of measure 25/Pack
JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Assorted Colors, 150/Pack (3567306assrt)~#|#~sp82618196_sc7JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Assorted Colors, 150/Pack (3567306assrt)~#|#~sp82618184_sc7
JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Assorted Colors, 150/Pack (3567306assrt) is Out of stock
Item: 2633121
Model: 3567306ASSRT
No reviews yet
Price is $54.29
Unit of measure 150/Pack
JAM Paper A7 Colored Invitation Envelopes, 5 1/4" x 7 1/4", Violet Purple Recycled, 50/Pack (80278I)~#|#~m003904638_sc7JAM Paper A7 Colored Invitation Envelopes, 5 1/4" x 7 1/4", Violet Purple Recycled, 50/Pack (80278I)~#|#~m003904637_sc7
JAM Paper A7 Colored Invitation Envelopes, 5 1/4" x 7 1/4", Violet Purple Recycled, 50/Pack (80278I) is Out of stock
Item: 1589523
Model: 80278I
Price is $20.49
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.