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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 $77.49
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 3Drug Translucent Vellum Mini Envelopes, 2.3125 x 3.625, Clear, Bulk 1000/Carton (LECV900B)~#|#~sp126919178_sc7JAM Paper 3Drug Translucent Vellum Mini Envelopes, 2.3125 x 3.625, Clear, Bulk 1000/Carton (LECV900B)~#|#~sp126919177_sc7
Item: 262141
Model: LECV900B
No reviews yet
Price is $339.99
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, Holiday Green (8515-12-250)~#|#~m000081475_sc7
Item: 385714
Model: 8515-12-250
No reviews yet
Price is $58.72
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX #10 Kraft Window Envelopes (4 1/8 x 9 1/2) 250/Pack, 24lb. Brown Kraft (97767-250)~#|#~sp14807341_sc7
Item: 24260664
Model: 97767-250
No reviews yet
Price is $40.85
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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JAM Paper 5 x 6.125 Booklet Foil Envelopes with Self-Adhesive Closure, Red Holly, 25/Pack (21326676)~#|#~m000067466_sc7
Item: 260885
Model: 21326676
No reviews yet
Price is $33.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 6" x 9" Kraft Open End Envelopes, 50/Box, 80lb. White (1644-32IJ-50)~#|#~A8680A48-70B0-491A-B4948FDAB7C9F17F_sc7LUX 6" x 9" Kraft Open End Envelopes, 50/Box, 80lb. White (1644-32IJ-50)~#|#~1ACF01AF-CC54-4E8A-98438F82A75F2248_sc7
Item: 2146232
Model: 1644-32IJ-50
No reviews yet
Price is $52.19
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper A8 Invitation Envelope, 5 1/2" x 8 1/8", White, 500/Box (4023981D)~#|#~sp121512401_sc7JAM Paper A8 Invitation Envelope, 5 1/2" x 8 1/8", White, 500/Box (4023981D)~#|#~sp121512400_sc7
Item: 2103323
Model: 4023981D
No reviews yet
Price is $119.89
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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JAM Paper 6.125 x 9.5 Booklet Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323285B)~#|#~m000067480_sc7
Item: 260954
Model: 01323285B
No reviews yet
Price is $137.79
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, White - 100% Recycled (8515-WPC-250)~#|#~m000081504_sc7
Item: 514797
Model: 8515-WPC-250
No reviews yet
Price is $124.99
Free delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) 1000/Box, Grocery Bag (4870-GB-1000)~#|#~m000081789_sc7
Item: 384698
Model: 4870-GB-1000
No reviews yet
Price is $116.64
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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JAM Paper 9 x 12 Open End Foil Envelopes with Peel & Seal Closure, Gold, 25/Pack (1323291)~#|#~m000067488_sc7
Item: 260911
Model: 1323291
No reviews yet
Price is $49.99
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Black w/Red LUX Lining (FLBK4872-01-50)~#|#~m004940476_sc7LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Black w/Red LUX Lining (FLBK4872-01-50)~#|#~m005823918_sc7
Item: 282540
Model: FLBK4872-01-50
No reviews yet
Price is $32.79
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 250/Box, Holiday Red (8535-15-250)~#|#~m000081572_sc7
Item: 385803
Model: 8535-15-250
No reviews yet
Price is $60.09
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX Square Envelopes with Peel and Press, 7" x 7", Ruby Red, 1,000 Envelopes (LUX-8545-18-1M)~#|#~m003307880_sc7
Item: 1985033
Model: LUX-8545-18-1M
No reviews yet
Price is $259.19
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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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 $20.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 250/Box, Seafoam (LUX-4872-113250)~#|#~m000081873_sc7
Item: 517555
Model: LUX-4872-113250
Price is $64.89
Free delivery by Wed, Feb 18
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JAM Paper #5 Coin Business Envelopes, 2.875 x 5.25, White, 25/Pack (16211217)~#|#~sp111772386_sc7JAM Paper #5 Coin Business Envelopes, 2.875 x 5.25, White, 25/Pack (16211217)~#|#~sp111772385_sc7
Item: 362519
Model: 16211217
Price is $7.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 5 3/4" x 8 3/4" 60lbs. Square Flap Envelopes W/Peel & Press, White/Silver LUX Lining~#|#~m000082192_sc7
Item: 282958
Model: FLWH4895-03-50
Price is $43.19
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 500/Box, Seafoam (LUX-8535-113500)~#|#~m000081498_sc7
Item: 517570
Model: LUX-8535-113500
No reviews yet
Price is $178.14
Free delivery by Wed, Feb 18
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JAM Paper 6.5 x 6.5 Square Invitation Envelopes, Dark Grey, 25/Pack (263917200)~#|#~sp4808526_sc7JAM Paper 6.5 x 6.5 Square Invitation Envelopes, Dark Grey, 25/Pack (263917200)~#|#~sp4808525_sc7
Item: 2632866
Model: 263917200
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 500/Box, Smoke w/Silver LUX Lining (FLSM4872-03-500)~#|#~m000081876_sc7
Item: 513893
Model: FLSM4872-03-500
No reviews yet
Price is $187.64
Free delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 1000/Box, Quartz Metallic (8535-08-1000)~#|#~m000081583_sc7
Item: 514791
Model: 8535-08-1000
No reviews yet
Price is $329.28
Free delivery by Wed, Feb 18
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JAM Paper 6.5 x 6.5 Square Colored Invitation Envelopes, Green Recycled, 50/Pack (2792279I)~#|#~m003904797_sc7JAM Paper 6.5 x 6.5 Square Colored Invitation Envelopes, Green Recycled, 50/Pack (2792279I)~#|#~m003904796_sc7
Item: 1588436
Model: 2792279I
No reviews yet
Price is $54.99
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, 1000/Box, White w/Red LUX Lining (FLWH8535-011000)~#|#~m000081599_sc7
Item: 517224
Model: FLWH8535-011000
No reviews yet
Price is $200.61
Free delivery by Wed, Feb 18
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JAM Paper 7.5 x 7.5 Square Colored Invitation Envelopes, Red Recycled, 100/Pack (02792291B)~#|#~m002934107_sc7JAM Paper 7.5 x 7.5 Square Colored Invitation Envelopes, Red Recycled, 100/Pack (02792291B)~#|#~m002934106_sc7
Item: 235632
Model: 02792291B
No reviews yet
Price is $64.99
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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LUX 9" x 12" Open End Window Envelopes, Limelight Green~#|#~m001406666_sc7
Item: 1277745
Model: LUX-1590-101-50
No reviews yet
Price is $55.39
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX 4 1/8" x 9 1/2" #10 60lbs. Envelopes, White With Black LUX Lining, 50/Pack~#|#~m000081261_sc7
Item: 281872
Model: FLWH4260-02-50
No reviews yet
Price is $26.13
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) 500/Box, Limelight (LUX-4870-101500)~#|#~m000081798_sc7
Item: 517514
Model: LUX-4870-101500
No reviews yet
Price is $88.89
Free delivery by Wed, Feb 18
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JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Orange, 25/Pack (PACV619)~#|#~m000068160_sc7
Item: 262314
Model: PACV619
No reviews yet
Price is $26.29
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 5 x 6.125 Booklet Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323266B)~#|#~sp137086018_sc7
Item: 260930
Model: 01323266B
No reviews yet
Price is $108.99
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Wisteria Purple, 25/Pack (PACV514)~#|#~m006948422_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Wisteria Purple, 25/Pack (PACV514)~#|#~m006948421_sc7
Item: 262290
Model: PACV514
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 5.0625 x 7.1875, Peach, 100/Pack (2785508)~#|#~m000969558_sc7
Item: 235574
Model: 2785508
No reviews yet
Price is $48.99
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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JAM Paper Expandable Open End Catalog Envelopes with Peel & Seal Closure, 4.5 x 9.5 x 2, White, 250/Box (376634173b)~#|#~sp74203689_sc7JAM Paper Expandable Open End Catalog Envelopes with Peel & Seal Closure, 4.5 x 9.5 x 2, White, 250/Box (376634173b)~#|#~sp74203981_sc7
Item: 24295260
Model: 376634173B
No reviews yet
Price is $383.59
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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LUX A8 Foil Lined Invitation Envelopes (5 1/2 x 8 1/8) 1000/Box, White w/Silver LUX Lining (FLWH4885-031000)~#|#~m000082136_sc7
Item: 517325
Model: FLWH4885-031000
No reviews yet
Price is $265.99
Free delivery by Wed, Feb 18
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LUX 6 1/4 x 6 1/4 Square Envelopes, 50/Box, Ruby Red (LUX-8530-18-50)~#|#~m003307880_sc7
Item: 1985254
Model: LUX-8530-18-50
No reviews yet
Price is $23.99
Unit of measure 50/Box
Delivery by Wed, Feb 18
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LUX 5 1/4 x 5 1/4 Square Envelopes 250/Pack, 70lb. Bright White (8510-70W-250)~#|#~sp14807793_sc7
Item: 24260288
Model: 8510-70W-250
No reviews yet
Price is $49.89
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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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.