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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Lilac (SH4265-05-50)~#|#~m000081716_sc7
Item: 282379
Model: 910003121/06827
No reviews yet
Price is $21.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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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 Mon, Feb 16
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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 Mon, Feb 16
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LUX 6 1/2 x 6 1/2 Foil Lined Square Envelopes, 250/Box, White w/Silver LUX Lining (FLWH8535-03-250)~#|#~m000081600_sc7
Item: 513768
Model: FLWH8535-03-250
No reviews yet
Price is $81.89
Free delivery by Wed, Feb 18
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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 Mon, Feb 16
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JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Primary Yellow, Bulk 250/Box (PACV606H)~#|#~m003905183_sc7JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Primary Yellow, Bulk 250/Box (PACV606H)~#|#~m003905182_sc7
Item: 1589319
Model: PACV606H
No reviews yet
Price is $189.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper 5 x 6.125 Booklet Foil Envelopes with Self-Adhesive Closure, Silver Film Design, 100/Pack (01323265B)~#|#~sp137084268_sc7
Item: 260931
Model: 01323265B
No reviews yet
Price is $108.99
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 50/Pack, Taupe Metallic (8515-M09-50)~#|#~sp14807609_sc7
Item: 24260976
Model: 8515-M09-50
No reviews yet
Price is $23.29
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Limelight (LUX-4870-101-50)~#|#~m000081798_sc7
Item: 282472
Model: LUX-4870-101-50
No reviews yet
Price is $13.95
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A6 Foil Lined Invitation Envelopes (4 3/4 x 6 1/2) 500/Box, White w/Gold LUX Lining (FLWH4875-04-500)~#|#~m000081967_sc7
Item: 513814
Model: FLWH4875-04-500
No reviews yet
Price is $123.89
Free delivery by Wed, Feb 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Natural - 100% Recycled (4865-NPC-250)~#|#~m000081723_sc7
Item: 384667
Model: 4865-NPC-250
No reviews yet
Price is $46.69
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Flame Metallic (5380-26-50)~#|#~m005902317_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Flame Metallic (5380-26-50)~#|#~m005823948_sc7
Item: 282758
Model: 5380-26-50
Price is $40.79
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX 6 x 9 Booklet Envelopes 1000/Pack, Blush (LUX-4820-391000)~#|#~sp5822112_sc7LUX 6 x 9 Booklet Envelopes 1000/Pack, Blush (LUX-4820-391000)~#|#~sp5873990_sc7
Item: 23996151
Model: LUX-4820-391000
No reviews yet
Price is $211.38
Unit of measure 1000/Pack
Free delivery by Wed, Feb 18
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LUX 5 1/2 x 5 1/2 Square Envelopes, 500/Box, Sunflower (EX8515-12-500)~#|#~m000081501_sc7
Item: 387034
Model: EX8515-12-500
No reviews yet
Price is $159.79
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Dark Grey, 50/Pack (36396433I)~#|#~m004671968_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Dark Grey, 50/Pack (36396433I)~#|#~m004671967_sc7
Item: 1588917
Model: 36396433I
No reviews yet
Price is $17.99
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX 6 x 6 Square Envelopes 250/Pack, 80lb. Bright White (8525-80W-250)~#|#~sp14807683_sc7
Item: 24260573
Model: 8525-80W-250
No reviews yet
Price is $68.39
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Anthracite Metallic (5370-15-50)~#|#~m000081764_sc7
Item: 282429
Model: 5370-15-50
No reviews yet
Price is $18.95
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX Moistenable Glue #10 Business Envelope, 4 1/2" x 9 1/2", Grocery Bag Brown, 50/Pack (4260-GB-50)~#|#~sp12274947_sc7LUX Moistenable Glue #10 Business Envelope, 4 1/2" x 9 1/2", Grocery Bag Brown, 50/Pack (4260-GB-50)~#|#~sp14081665_sc7
Item: 24216108
Model: 4260-GB-50
No reviews yet
Price is $17.99
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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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 $95.32
Unit of measure 500/Pack
Free delivery by Mon, Feb 16
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JAM Paper #3 Coin Business Envelopes, 2.5 x 4.25, Black, 25/Pack (356730544)~#|#~m003757867_sc7JAM Paper #3 Coin Business Envelopes, 2.5 x 4.25, Black, 25/Pack (356730544)~#|#~m003562849_sc7
Item: 2103483
Model: 356730544
No reviews yet
Price is $11.19
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 250/Box, Amethyst Metallic (5375-17-250)~#|#~m000081892_sc7
Item: 385231
Model: 5375-17-250
No reviews yet
Price is $87.89
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Seafoam Green, 250/Pack (8510-113-250)~#|#~sp225303060_sc7JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Seafoam Green, 250/Pack (8510-113-250)~#|#~sp225303059_sc7
Item: 24578438
Model: 8510-113-250
No reviews yet
Price is $48.31
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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LUX 7 1/4" x 5 1/4" 80lbs. Square Flap Vertical Envelopes W/Peel & Press, Grocery Bag Brown~#|#~2A519A8D-4500-4557-8AA4B80344FA9A64_sc7
Item: 282864
Model: 4880V-GB-50
Price is $36.79
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Red Recycled, Bulk 250/Box (900927182H)~#|#~m002934111_sc7JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Red Recycled, Bulk 250/Box (900927182H)~#|#~m002934110_sc7
Item: 1589400
Model: 900927182H
No reviews yet
Price is $64.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Primary Red, 25/Pack (PACV515)~#|#~m000068104_sc7
Item: 262243
Model: PACV515
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Primary Yellow, 25/Pack (PACV606)~#|#~m003905183_sc7JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Primary Yellow, 25/Pack (PACV606)~#|#~m003905182_sc7
Item: 262271
Model: PACV606
No reviews yet
Price is $21.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Primary Yellow, 25/Pack (PACV506)~#|#~m003905174_sc7JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Primary Yellow, 25/Pack (PACV506)~#|#~m003905173_sc7
Item: 262276
Model: PACV506
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Amethyst Metallic (5365-17-250)~#|#~m000081682_sc7
Item: 385095
Model: 5365-17-250
No reviews yet
Price is $72.19
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX 5 1/2 x 5 1/2 Square Envelopes 50/Box) 50/Box, Midnight Black (F-8515-B-50)~#|#~m000081489_sc7
Item: 282120
Model: F-8515-B-50
No reviews yet
Price is $43.49
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX 7 1/2 x 7 1/2 Square Envelopes 50/Pack, Natural (8555-03-50)~#|#~sp14807848_sc7
Item: 24261005
Model: 8555-03-50
No reviews yet
Price is $23.29
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Ultra Lime Green, 50/Pack (155438I)~#|#~sp131391071_sc7JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Ultra Lime Green, 50/Pack (155438I)~#|#~sp131391070_sc7
Item: 1588710
Model: 155438I
No reviews yet
Price is $15.59
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Purple, Bulk 250/Box (563912527H)~#|#~m003905007_sc7JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Purple, Bulk 250/Box (563912527H)~#|#~m003905006_sc7
Item: 1589747
Model: 563912527H
No reviews yet
Price is $283.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 11.25 x 14.25, Clear, 1000/Carton (11.514.25CELLOB)~#|#~m001367399_sc7
Item: 262938
Model: 11.514.25CELLOB
No reviews yet
Price is $778.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 80lbs. 5" x 5" Square Envelopes W/Peel & Press, Limelight Green, 250/BX~#|#~m000081527_sc7
Item: 388712
Model: LUX-8505-101-25
No reviews yet
Price is $59.33
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Pack, Blush (LUX-4880-39-250)~#|#~sp5822112_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Pack, Blush (LUX-4880-39-250)~#|#~sp5874356_sc7
Item: 23996057
Model: LUX-4880-39-250
No reviews yet
Price is $78.90
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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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 $34.89
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper® 6 x 9 Open End Catalog Colored Envelopes, Red Recycled, 250/Pack (V0128139D)~#|#~sp4800494_sc7JAM Paper® 6 x 9 Open End Catalog Colored Envelopes, Red Recycled, 250/Pack (V0128139D)~#|#~sp4800493_sc7
Item: 24365053
Model: V0128139D
No reviews yet
Price is $179.49
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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JAM Paper A2 Metallic Invitation Envelopes, 4.375 x 5.75, Stardream Gold, Bulk 1000/Carton (GCST608B)~#|#~m003905132_sc7JAM Paper A2 Metallic Invitation Envelopes, 4.375 x 5.75, Stardream Gold, Bulk 1000/Carton (GCST608B)~#|#~m003905131_sc7
Item: 262046
Model: GCST608B
No reviews yet
Price is $677.99
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.