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LUX 80lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Glue, Jupiter Metallic Red Red, 250/BX~#|#~m000082163_sc7
Item: 385388
Model: 5395-20-250
No reviews yet
Price is $157.09
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Invitation Envelopes, Dark Grey, 50/Pack (36396439I)~#|#~m004671979_sc7JAM Paper 6 x 6 Square Invitation Envelopes, Dark Grey, 50/Pack (36396439I)~#|#~m004671978_sc7
Item: 1588463
Model: 36396439I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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LUX A8 Invitation Envelopes (5 1/2 x 8 1/8) 1000/Pack, Silver Metallic (4885-06-1000)~#|#~sp12274947_sc7LUX A8 Invitation Envelopes (5 1/2 x 8 1/8) 1000/Pack, Silver Metallic (4885-06-1000)~#|#~sp12275054_sc7
Item: 24161703
Model: 4885-06-1000
No reviews yet
Price is $240.95
Unit of measure 1000/Pack
Free delivery by Wed, Feb 18
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LUX Slimline Invitation Envelopes (3 7/8 x 8 7/8) 250/Box, Midnight Black (LUX-72973-B-250)~#|#~m001149686_sc7
Item: 1029934
Model: LUX-72973-B-250
No reviews yet
Price is $136.39
Free delivery by Wed, Feb 18
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LUX 5 1/2 x 5 1/2 Square Envelopes, 50/Box, Black Linen (8515-BLI-50)~#|#~m000081473_sc7
Item: 282104
Model: 8515-BLI-50
No reviews yet
Price is $40.99
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Invitation Envelopes, Dark Purple, Bulk 1000/Carton (563912522B)~#|#~m003905005_sc7JAM Paper 6 x 6 Square Invitation Envelopes, Dark Purple, Bulk 1000/Carton (563912522B)~#|#~m003905004_sc7
Item: 261642
Model: 563912522B
No reviews yet
Price is $846.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 6 1/2 x 6 1/2 Square Envelopes, 50/Box, Grocery Bag (8535-GB-50)
Item: 282208
Model: 8535-GB-50
No reviews yet
Price is $45.69
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper 8.5 x 8.5 Square Foil Invitation Envelopes with Zip Closure, Clear, 25/Pack (3008D8DG4906)~#|#~m004672196_sc7
Item: 1227797
Model: 3008D8DG4906
No reviews yet
Price is $49.99
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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LUX 7 x 7 Square Envelopes, 50/Box, Ruby Red (LUX-8545-18-50)~#|#~m003307880_sc7
Item: 1985257
Model: LUX-8545-18-50
Price is $45.69
Unit of measure 50/Box
Free delivery by Wed, Feb 18
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LUX 7 x 7 Square Envelopes, 50/Box, Gold Metallic (8545-07-50)~#|#~m003307879_sc7
Item: 1985258
Model: 8545-07-50
No reviews yet
Price is $33.43
Unit of measure 50/Box
Delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Pastel Green (SH4280-04-250)~#|#~m000082065_sc7
Item: 388186
Model: SH4280-04-250
No reviews yet
Price is $50.39
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 1000/Box, Garnet (EX4865-26-1000)~#|#~m000081704_sc7
Item: 386422
Model: EX4865-26-1000
No reviews yet
Price is $148.25
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 250/Box, Ruby Red (8505-18-250)~#|#~m000081533_sc7
Item: 515015
Model: 8505-18-250
No reviews yet
Price is $115.94
Free delivery by Wed, Feb 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Wasabi (FE4865-22-500)~#|#~m000081746_sc7
Item: 513944
Model: FE4865-22-500
No reviews yet
Price is $95.89
Free delivery by Wed, Feb 18
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Baby Blue, 50/Pack (155626I)~#|#~m003904708_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Baby Blue, 50/Pack (155626I)~#|#~m003904707_sc7
Item: 1588921
Model: 155626I
No reviews yet
Price is $23.29
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper A8 Translucent Vellum Invitation Envelopes, 5.5 x 8.125, Clear, Bulk 250/Box (79462H)~#|#~m002168797_sc7
Item: 1589928
Model: 79462H
No reviews yet
Price is $227.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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LUX 70lbs. 10" x 13" Open End Envelopes, Smoke Gray, 500/BX (EX4897-22-500)~#|#~8F50DF73-7F35-4A31-AE15383A966F24C3_sc7
Item: 386880
Model: EX4897-22-500
No reviews yet
Price is $306.29
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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LUX 5 1/4" x 7 1/4" A7 Invitation Envelopes W/Peel & Press, Vintage Plum Purple, 250/BX~#|#~m005902345_sc7LUX 5 1/4" x 7 1/4" A7 Invitation Envelopes W/Peel & Press, Vintage Plum Purple, 250/BX~#|#~m005823979_sc7
Item: 388659
Model: LUX-4880-104-25
No reviews yet
Price is $74.19
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, Bulk 1000/Carton (28417C)~#|#~m007049353_sc7JAM Paper 6.5 x 6.5 Square Invitation Envelopes, White, Bulk 1000/Carton (28417C)~#|#~m007049352_sc7
Item: 261342
Model: 28417C
No reviews yet
Price is $244.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX #14 Open End Envelopes (5 x 11 1/2) 250/Box, 28lb. White (WS-5200-250)~#|#~m004063926_sc7
Item: 2146551
Model: WS-5200-250
No reviews yet
Price is $97.60
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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LUX A7 Foil Lined Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Smoke w/Silver LUX Lining (FLSM4880-03-50)~#|#~m000082081_sc7
Item: 282828
Model: FLSM4880-03-50
Price is $27.95
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 7 1/2 x 7 1/2 Square Envelopes, 50/Box, Gold Metallic (8555-07-50)~#|#~m004063767_sc7
Item: 2146228
Model: 8555-07-50
No reviews yet
Price is $39.19
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper #10 Business Foil Envelopes with Peel & Seal Closure, 4 1/8" x 9 1/2", Black, 100/Pack (01327704B)~#|#~sp137085716_sc7
Item: 260952
Model: 01327704B
No reviews yet
Price is $137.79
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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JAM Paper 4Bar A1 Metallic Invitation Envelopes, 3.625 x 5.125, Stardream Silver, Bulk 1000/Carton (V018243B)~#|#~m004672478_sc7JAM Paper 4Bar A1 Metallic Invitation Envelopes, 3.625 x 5.125, Stardream Silver, Bulk 1000/Carton (V018243B)~#|#~m004672477_sc7
Item: 262061
Model: V018243B
No reviews yet
Price is $677.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX A10 Invitation Envelopes (6 x 9 1/2) 50/Pack, Blonde Metallic (4590-M07-50)~#|#~sp12274947_sc7LUX A10 Invitation Envelopes (6 x 9 1/2) 50/Pack, Blonde Metallic (4590-M07-50)~#|#~sp14081669_sc7
Item: 24216235
Model: 4590-M07-50
No reviews yet
Price is $33.59
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper Expandable Open End Catalog Envelopes with Peel & Seal Closure, 9 x 12 x 1, White, 250/Box (376634176b)~#|#~sp137084914_sc7
Item: 24295259
Model: 376634176B
No reviews yet
Price is $554.79
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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JAM Paper 8.5 x 8.5 Kraft Square Invitation Envelopes, Brown Kraft Paper Bag, 50/Pack (LEKR505I)~#|#~sp137085987_sc7
Item: 1588421
Model: LEKR505I
No reviews yet
Price is $63.99
Unit of measure 50/Pack
Free 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/Silver LUX Lining (FLWH8535-03-50)~#|#~m000081600_sc7
Item: 282243
Model: FLWH8535-03-50
No reviews yet
Price is $31.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 80lb 3 5/8"x5 1/8" A1 Invitation Envelopes W/Peel&Press, Bright White, 1000/BX~#|#~m000211246_sc7
Item: 513977
Model: FE4565-05-1000
No reviews yet
Price is $136.79
Free delivery by Wed, Feb 18
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JAM Paper #10 Policy Metallic Envelopes, 4.125 x 9.5, Stardream Silver, Bulk 1000/Carton (900905922B)~#|#~m004672038_sc7JAM Paper #10 Policy Metallic Envelopes, 4.125 x 9.5, Stardream Silver, Bulk 1000/Carton (900905922B)~#|#~m004672037_sc7
Item: 262070
Model: 900905922B
No reviews yet
Price is $677.99
Unit of measure 1000/Carton
Free 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, 1000/BX~#|#~m000211244_sc7
Item: 515066
Model: 7716-WPC-1000
No reviews yet
Price is $338.49
Free delivery by Wed, Feb 18
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JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Red Holly, 100/Pack (1333313B)~#|#~m000067492_sc7
Item: 260973
Model: 1333313B
No reviews yet
Price is $158.99
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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JAM Paper A2 Metallic Invitation Envelopes, 4.375 x 5.75, Stardream Silver, 25/Pack (GCST609)~#|#~m004672431_sc7JAM Paper A2 Metallic Invitation Envelopes, 4.375 x 5.75, Stardream Silver, 25/Pack (GCST609)~#|#~m004672430_sc7
Item: 261986
Model: GCST609
No reviews yet
Price is $28.39
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Foil Lined Invitation Envelopes, White with Gold Foil, 50/Pack (3244689i)~#|#~sp132864644_sc7JAM Paper 6 x 6 Square Foil Lined Invitation Envelopes, White with Gold Foil, 50/Pack (3244689i)~#|#~sp132864643_sc7
Item: 24141731
Model: 3244689I
No reviews yet
Price is $33.09
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 1000/Box, Black w/Silver LUX Lining (FLBK4872-031000)~#|#~m004940477_sc7LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 1000/Box, Black w/Silver LUX Lining (FLBK4872-031000)~#|#~m005823919_sc7
Item: 517286
Model: FLBK4872-031000
No reviews yet
Price is $336.35
Free delivery by Wed, Feb 18
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LUX 70lb 7 1/4"x5 1/4" A7 Vertical Envelopes W/Peel&Press, Grocery Bag Brown, 1000/BX~#|#~CC87DFFB-291D-454A-94B6A86B801BAA10_sc7
Item: 516021
Model: 4880V-GB-1000
No reviews yet
Price is $223.04
Free delivery by Wed, Feb 18
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JAM Paper #10 Policy Business Colored Envelopes, 4.125 x 9.5, Orange Recycled, Bulk 1000/Carton (15887B)~#|#~m003904556_sc7JAM Paper #10 Policy Business Colored Envelopes, 4.125 x 9.5, Orange Recycled, Bulk 1000/Carton (15887B)~#|#~m003904555_sc7
Item: 1589520
Model: 15887B
No reviews yet
Price is $362.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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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.