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70 lb 4" x 4" Peel & Press Square Envelopes, Grocery Bag Brown, 50/Pack~#|#~m001149704_sc7
Item: 1030021
Model: 8504-GB-50
No reviews yet
Price is $19.89
Delivery by Wed, Feb 18
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Partners Tyvek Self Seal Catalog Envelope 10" x 13", Silver, 100/Carton (TYC1013S)~#|#~5BA92B00-9829-43DA-AD88EC9947A4FEA6_sc7
Item: 2301084
Model: TYC1013S
Price is $280.49
Unit of measure 100/Carton
Free delivery by Mon, Feb 16
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LUX 80lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Glue, Jupiter Metallic Red Red, 500/BX~#|#~m000082163_sc7
Item: 385389
Model: 5395-20-500
No reviews yet
Price is $185.29
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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JAM Paper #6 Coin Envelopes, 3 3/8" x 6", White, 100/Pack (1623184D)~#|#~F32695E4-9A04-45FF-AFC71CF993316173_sc7
Item: 24557945
Model: 1623184D
No reviews yet
Price is $20.49
Unit of measure 100/Pack
Delivery by Mon, Feb 16
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JAM Paper 9" x 12" Booklet Envelopes, Black, 25/Pack (2112755)~#|#~sp121511842_sc7JAM Paper 9" x 12" Booklet Envelopes, Black, 25/Pack (2112755)~#|#~sp121511841_sc7
Item: 38356
Model: 2112755
Price is $52.49
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Smoke (EX4880-22-250)~#|#~m005902333_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Smoke (EX4880-22-250)~#|#~m005823972_sc7
Item: 386664
Model: EX4880-22-250
No reviews yet
Price is $64.95
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Blue Recycled, 25/Pack (54093)~#|#~m003904598_sc7JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Blue Recycled, 25/Pack (54093)~#|#~m003904597_sc7
Item: 263912
Model: 54093
Price is $11.49
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Sea Blue Recycled, 50/Pack (15903I)~#|#~sp129636672_sc7JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Sea Blue Recycled, 50/Pack (15903I)~#|#~sp129636727_sc7
Item: 1588927
Model: 15903I
No reviews yet
Price is $20.49
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper A6 Parchment Invitation Envelopes, 4.75 x 6.5, Natural Recycled, 25/Pack (34926)~#|#~sp137086009_sc7
Item: 263957
Model: 34926
No reviews yet
Price is $10.89
Unit of measure 25/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, 250/BX~#|#~m000211244_sc7
Item: 515057
Model: 7716-WPC-250
No reviews yet
Price is $124.79
Free delivery by Wed, Feb 18
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LUX 80lb 4 1/8"x9 1/2" Square Flap #10 Envelopes W/Peel&Press, Seafoam Blue, 250/BX~#|#~m005824022_sc7
Item: 517285
Model: LUX-4860-113250
No reviews yet
Price is $90.19
Free delivery by Wed, Feb 18
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JAM Paper A8 Invitation Envelope, 5 1/2" x 8 1/8", White, 100/Pack (4023981C)~#|#~sp121512431_sc7JAM Paper A8 Invitation Envelope, 5 1/2" x 8 1/8", White, 100/Pack (4023981C)~#|#~sp121512398_sc7
Item: 2103270
Model: 4023981C
Price is $28.99
Unit of measure 100/Pack
Delivery by Mon, Feb 16
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JAM Paper 9.5 x 12.5 Open End Catalog Envelopes with Peel and Seal Closure, White, Bulk 250/Box (356828781h)~#|#~sp11854810_sc7JAM Paper 9.5 x 12.5 Open End Catalog Envelopes with Peel and Seal Closure, White, Bulk 250/Box (356828781h)~#|#~sp11854809_sc7
Item: 24145244
Model: 356828781H
No reviews yet
Price is $126.59
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper A2 Strathmore Invitation Envelopes, 4.375 x 5.75, Natural White Linen, 50/Pack (99761I)~#|#~m007159157_sc7JAM Paper A2 Strathmore Invitation Envelopes, 4.375 x 5.75, Natural White Linen, 50/Pack (99761I)~#|#~m007159156_sc7
Item: 1588915
Model: 99761I
No reviews yet
Price is $20.49
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper Kraft A6 Invitation Envelopes, 4.75 x 6.5, Brown Kraft Paper Bag, 50/Pack (LEKR650I)~#|#~sp115352003_sc7JAM Paper Kraft A6 Invitation Envelopes, 4.75 x 6.5, Brown Kraft Paper Bag, 50/Pack (LEKR650I)~#|#~sp115352002_sc7
Item: 1588909
Model: LEKR650I
No reviews yet
Price is $24.49
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX #10 Open End Envelopes (4 1/8 x 9 1/2) 50/Pack, Gold Metallic (7716-07-50)~#|#~57390F8F-815C-4112-B3745A57B0F0B132_sc7LUX #10 Open End Envelopes (4 1/8 x 9 1/2) 50/Pack, Gold Metallic (7716-07-50)~#|#~77409E69-4E56-4923-A99AD063E0721A49_sc7
Item: 24162006
Model: 7716-07-50
No reviews yet
Price is $35.89
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 50/Pack, Quartz Metallic (4872-08-50)~#|#~250367C6-45DB-4F88-9177FAFC4B1AFD73_sc7LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 50/Pack, Quartz Metallic (4872-08-50)~#|#~4D69F00C-F9F6-49E5-881FF0011E5F45B6_sc7
Item: 24260555
Model: 4872-08-50
No reviews yet
Price is $15.19
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 70lbs. 4 1/8" x 9 1/2" #10 Open End Envelopes, Sunflower Yellow, 500/BX~#|#~m000081284_sc7
Item: 386917
Model: EX7716-12-500
No reviews yet
Price is $209.29
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 50/Box, Wisteria (LUX-8505-106-50)~#|#~m000081537_sc7
Item: 282171
Model: LUX-8505-106-50
No reviews yet
Price is $18.89
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper A8 Invitation Envelopes, 5.5 x 8.125, Baby Blue, 25/Pack (155630)~#|#~m003904710_sc7JAM Paper A8 Invitation Envelopes, 5.5 x 8.125, Baby Blue, 25/Pack (155630)~#|#~m003904709_sc7
Item: 261358
Model: 155630
No reviews yet
Price is $16.19
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper Self Seal #7 Coin Business Envelopes, 3 1/2" x 6 1/2", White, 100/Pack (356838558D)~#|#~E333F153-05BB-4039-B4D2771F50F049A8_sc7
Item: 24557927
Model: 356838558D
No reviews yet
Price is $31.69
Unit of measure 100/Pack
Delivery by Mon, Feb 16
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JAM Paper A7 Invitation Envelope, 5 1/4" x 7 1/4", White, 500/Box (73767D)~#|#~m002934504_sc7JAM Paper A7 Invitation Envelope, 5 1/4" x 7 1/4", White, 500/Box (73767D)~#|#~m002934503_sc7
Item: 2103271
Model: 73767D
Price is $93.79
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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JAM Paper #12 Kraft Policy Business Envelopes, 4.75 x 11, Brown Kraft Paper Bag, 25/Pack (2119018862)~#|#~m004672048_sc7JAM Paper #12 Kraft Policy Business Envelopes, 4.75 x 11, Brown Kraft Paper Bag, 25/Pack (2119018862)~#|#~m004672047_sc7
JAM Paper #12 Kraft Policy Business Envelopes, 4.75 x 11, Brown Kraft Paper Bag, 25/Pack (2119018862) is Out of stock
Item: 261563
Model: 2119018862
No reviews yet
Price is $15.89
Unit of measure 25/Pack
JAM Paper Tyvek Open End Open End Catalog Envelope, 11 1/2" x 14 1/2", Black, 10/Pack (V021386B)~#|#~sp132864605_sc7JAM Paper Tyvek Open End Open End Catalog Envelope, 11 1/2" x 14 1/2", Black, 10/Pack (V021386B)~#|#~sp132864604_sc7
JAM Paper Tyvek Open End Open End Catalog Envelope, 11 1/2" x 14 1/2", Black, 10/Pack (V021386B) is Out of stock
Item: 1912862
Model: V021386B
Price is $22.69
Unit of measure 10/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.