LUX #7 Coin Envelopes (3 1/2 x 6 1/2) 250/Pack, Mandarin (LUX-7CO-11-250)~#|#~sp14807707_sc7
Item: 24260304
Model: LUX-7CO-11-250
No reviews yet
Price is $47.79
Unit of measure 250/Pack
Free delivery by Mon, May 11
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LUX 5 x 5 Square Envelopes, 500/Box, Grocery Bag (8505-GB-500)
Item: 514951
Model: 8505-GB-500
No reviews yet
Price is $119.89
Free delivery by Mon, May 11
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LUX 5 x 5 Square Envelopes, 250/Box, Citrus (8505-20-250)~#|#~m000081523_sc7
Item: 385709
Model: 8505-20-250
No reviews yet
Price is $71.99
Unit of measure 250/Box
Free delivery by Mon, May 11
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LUX 6 1/2 x 6 1/2 Square Envelopes, 50/Box, Gold Metallic (8535-07-50)~#|#~m000081570_sc7
Item: 282206
Model: 8535-07-50
No reviews yet
Price is $35.79
Unit of measure 50/Pack
Free delivery by Mon, May 11
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LUX 6 1/2 x 6 1/2 Square Envelopes, 1000/Box, Grocery Bag (8535-GB-1000)
Item: 514784
Model: 8535-GB-1000
No reviews yet
Price is $220.19
Free delivery by Mon, May 11
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LUX 9 x 12 Booklet Envelopes 500/Pack, White w/Security Tint (49783-500)~#|#~sp14807495_sc7
Item: 24260780
Model: 49783-500
No reviews yet
Price is $180.19
Unit of measure 500/Pack
Free delivery by Mon, May 11
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 50/Pack, White Linen (4875-WLI-50)~#|#~sp14807777_sc7
Item: 24261356
Model: 4875-WLI-50
No reviews yet
Price is $15.59
Unit of measure 50/Pack
Delivery by Mon, May 11
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LUX A2 (4 3/8 x 5 3/4) 250/Box, Anthracite Metallic (5370-15-250)~#|#~m000081764_sc7
Item: 385168
Model: 5370-15-250
No reviews yet
Price is $65.99
Unit of measure 250/Box
Free delivery by Mon, May 11
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JAM Paper Square Envelopes, Peel & Press, Blush, 6 x 6, 250 Pack (8525-114-250)~#|#~sp228873563_sc7
Item: 24578552
Model: 8525-114-250
No reviews yet
Price is $46.59
Unit of measure 250/Pack
Free delivery by Thu, May 07
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LUX A2 (4 3/8 x 5 3/4) 500/Box, Smoke (EX4870-22-500)~#|#~m001623013_sc7
Item: 514407
Model: EX4870-22-500
No reviews yet
Price is $120.49
Free delivery by Mon, May 11
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JAM Paper A8 Translucent Vellum Invitation Envelopes, 5.5 x 8.125, Clear, 50/Pack (79462I)~#|#~m002168797_sc7
Item: 1589081
Model: 79462I
No reviews yet
Price is $47.99
Unit of measure 50/Pack
Free delivery by Thu, May 07
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JAM Paper #5.5 Coin Business Colored Envelopes, 3.125 x 5.5, Violet Purple Recycled, Bulk 1000/Carton (356730550C)~#|#~m003757872_sc7JAM Paper #5.5 Coin Business Colored Envelopes, 3.125 x 5.5, Violet Purple Recycled, Bulk 1000/Carton (356730550C)~#|#~m003562852_sc7
Item: 2103415
Model: 356730550C
No reviews yet
Price is $271.99
Unit of measure 1000/Carton
Free delivery by Thu, May 07
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Over 30
LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Pack, Blonde Metallic (5380-M07-500)~#|#~sp14807810_sc7
Item: 24261102
Model: 5380-M07-500
No reviews yet
Price is $146.39
Unit of measure 500/Pack
Free delivery by Mon, May 11
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JAM Paper A8 Colored Invitation Envelopes, 5.5 x 8.125, Green Recycled, Bulk 1000/Carton (95625B)~#|#~m003904687_sc7JAM Paper A8 Colored Invitation Envelopes, 5.5 x 8.125, Green Recycled, Bulk 1000/Carton (95625B)~#|#~m003904688_sc7
Item: 261283
Model: 95625B
Price is $272.99
Unit of measure 1000/Carton
Free delivery by Thu, May 07
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JAM Paper #10 Booklet Foil Envelopes with Self-Adhesive Closure, 4.125 x 9.5, Blue, 25/Pack (1327705)~#|#~284E4566-35DF-4D5A-BBB003391DDD875E_sc7
Item: 260899
Model: 1327705
No reviews yet
Price is $46.99
Unit of measure 25/Pack
Free delivery by Thu, May 07
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LUX Self Seal Booklet Envelope, 6" x 9", Magenta, 50/Pack (EX4820-10-50)~#|#~sp14807355_sc7
Item: 24261288
Model: EX4820-10-50
No reviews yet
Price is $21.09
Unit of measure 50/Pack
Delivery by Mon, May 11
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JAM Paper 5 x 6.125 Booklet Foil Envelopes with Self-Adhesive Closure, Blue with White Snowflakes, 25/Pack (1336166)~#|#~sp20131928_sc7
Item: 24295162
Model: 1336166
No reviews yet
Price is $38.49
Unit of measure 25/Pack
Free delivery by Thu, May 07
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Lux Double Window Invoice Envelopes, 4-1/8 x 9-1/8", Ruby Red, 250/Pack~#|#~m002084693_sc7
Item: 1559062
Model: INVDW-18-250
Price is $103.89
Free delivery by Mon, May 11
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JAM Paper 6.5" x 6.5" Square Translucent Vellum Invitation Envelopes, Racing Green, 100/Pack (1592125B)~#|#~m000068865_sc7
Item: 38051
Model: 1592125B
No reviews yet
Price is $64.99
Unit of measure 100/Pack
Free delivery by Thu, May 07
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LUX 6 x 9 Open End Envelopes, Black Linen, 500/Box (1644-BLI-500)~#|#~DFEBE010-A11E-46BB-B5A138BF0F40BCA0_sc7LUX 6 x 9 Open End Envelopes, Black Linen, 500/Box (1644-BLI-500)~#|#~4E862B5C-8E67-4231-8B4F12909677ADEB_sc7
Item: 1028640
Model: 1644-BLI-500
No reviews yet
Price is $117.39
Free delivery by Mon, May 11
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JAM Paper #10 Business Envelopes, 4.125 x 9.5, Navy Blue, Bulk 500/Box (LEBA367H)~#|#~m003905150_sc7JAM Paper #10 Business Envelopes, 4.125 x 9.5, Navy Blue, Bulk 500/Box (LEBA367H)~#|#~m003905149_sc7
Item: 1589703
Model: LEBA367H
No reviews yet
Price is $122.99
Unit of measure 500/Box
Free delivery by Thu, May 07
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Gold, 25/Pack (PACV577)~#|#~m003905180_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Gold, 25/Pack (PACV577)~#|#~m003905179_sc7
Item: 262255
Model: PACV577
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Thu, May 07
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Redi-Seal™ Catalog Envelopes, 9x12", White, 100/Box~#|#~s0292379_sc7Redi-Seal™ Catalog Envelopes, 9x12", White, 100/Box~#|#~s0171348_sc7
Item: QUA43517
Model: QUA43517
Price is $35.09
Unit of measure Box
Free Next-Day eligible by tomorrow
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LUX 3 1/4" x 3 1/4" Square Envelopes with Peel and Press, Champagne Metallic, 500/PK (8503-M08-500)~#|#~m003307882_sc7
Item: 1985007
Model: 8503-M08-500
No reviews yet
Price is $175.39
Unit of measure 500/Box
Free delivery by Mon, May 11
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LUX 5 3/4 x 5 3/4 Square 50/Pack, Silver Metallic (8520-06-50)~#|#~sp14807667_sc7
Item: 24260857
Model: 8520-06-50
No reviews yet
Price is $22.19
Unit of measure 50/Pack
Delivery by Mon, May 11
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LUX 6 1/2 x 6 1/2 Square Envelopes 50/Pack, Navy (LUX-8535-103-50)~#|#~sp14807649_sc7
Item: 24261051
Model: LUX-8535-103-50
No reviews yet
Price is $23.89
Unit of measure 50/Pack
Delivery by Mon, May 11
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LUX 80lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Glue, Rose Metallic, 250/BX~#|#~m000081732_sc7
Item: 385326
Model: 5395-04-250
No reviews yet
Price is $100.49
Unit of measure 250/Box
Free delivery by Mon, May 11
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, 24lb. Bright White (4865-W-500)~#|#~m000211232_sc7
Item: 515392
Model: 4865-W-500
No reviews yet
Price is $89.69
Free delivery by Mon, May 11
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JAM Paper 9.5 x 9.5 Square Invitation Envelopes, White, 50/Pack (4233I)~#|#~m007049359_sc7JAM Paper 9.5 x 9.5 Square Invitation Envelopes, White, 50/Pack (4233I)~#|#~m007049358_sc7
Item: 1588500
Model: 4233I
No reviews yet
Price is $40.39
Unit of measure 50/Pack
Free delivery by Thu, May 07
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JAM Paper 6.125 x 9.5 Booklet Foil Envelopes with Self-Adhesive Closure, Gold, 25/Pack (1323285)~#|#~m000067480_sc7
Item: 260902
Model: 1323285
No reviews yet
Price is $41.89
Unit of measure 25/Pack
Free delivery by Thu, May 07
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JAM Paper #3 Coin Business Colored Envelopes, 2.5 x 4.25, Orange Recycled, 50/Pack (356730538i)~#|#~sp4211523_sc7JAM Paper #3 Coin Business Colored Envelopes, 2.5 x 4.25, Orange Recycled, 50/Pack (356730538i)~#|#~sp4211522_sc7
Item: 2478040
Model: 356730538I
No reviews yet
Price is $19.39
Unit of measure 50/Pack
Delivery by Thu, May 07
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JAM Paper 6 x 6 Square Invitation Envelopes, Dark Purple, Bulk 250/Box (563912522H)~#|#~m003905005_sc7JAM Paper 6 x 6 Square Invitation Envelopes, Dark Purple, Bulk 250/Box (563912522H)~#|#~m003905004_sc7
Item: 1589748
Model: 563912522H
No reviews yet
Price is $283.99
Unit of measure 250/Box
Free delivery by Thu, May 07
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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 $46.29
Unit of measure 250/Box
Free delivery by Mon, May 11
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JAM Paper Kraft A9 Invitation Envelopes, 5.75 x 8.75, Brown Kraft Paper Bag, 25/Pack (LEKR875)~#|#~sp121511773_sc7JAM Paper Kraft A9 Invitation Envelopes, 5.75 x 8.75, Brown Kraft Paper Bag, 25/Pack (LEKR875)~#|#~sp121511711_sc7
Item: 261531
Model: LEKR875
Price is $20.49
Unit of measure 25/Pack
Delivery by Thu, May 07
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JAM Paper 6.5 x 6.5 Square Translucent Vellum Envelopes, Leaf Green, 25/Pack (1592115)~#|#~m000068069_sc7
Item: 262184
Model: 1592115
No reviews yet
Price is $35.59
Unit of measure 25/Pack
Free delivery by Thu, May 07
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JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Black Linen, Bulk 250/Box (64345H)~#|#~m003904604_sc7JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Black Linen, Bulk 250/Box (64345H)~#|#~m003904603_sc7
Item: 1589337
Model: 64345H
No reviews yet
Price is $84.09
Unit of measure 250/Box
Free delivery by Thu, May 07
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LUX 6 1/2 x 6 1/2 Square Envelopes, 250/Box, Gold Metallic (8535-07-250)~#|#~m000081570_sc7
Item: 385778
Model: 8535-07-250
No reviews yet
Price is $117.39
Unit of measure 250/Box
Free delivery by Mon, May 11
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JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Seafoam Green, 50/Pack (8510-113-50)~#|#~sp225303144_sc7JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Seafoam Green, 50/Pack (8510-113-50)~#|#~sp225303142_sc7
Item: 24578297
Model: 8510-113-50
No reviews yet
Price is $13.69
Unit of measure 50/Pack
Delivery by Thu, May 07
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Over 30
JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Smoke Gray, 500/Pack (8510-22-500)~#|#~sp225303137_sc7JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Smoke Gray, 500/Pack (8510-22-500)~#|#~sp225303136_sc7
Item: 24578289
Model: 8510-22-500
No reviews yet
Price is $79.99
Unit of measure 500/Pack
Free delivery by Thu, May 07
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Over 30
LUX 9 x 12 Kraft Open End Envelopes 250/Box, 28lb. White w/ Security Tint (WS-4894-ST-250)~#|#~m004063773_sc7
Item: 2146104
Model: WS-4894-ST-250
No reviews yet
Price is $80.89
Unit of measure 250/Pack
Free delivery by Mon, May 11
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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.