Sponsored Products
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JAM Paper A8 Parchment Invitation Envelopes, 5.5 x 8.125, Blue Recycled, 50/Pack (10411I)~#|#~m003904493_sc7JAM Paper A8 Parchment Invitation Envelopes, 5.5 x 8.125, Blue Recycled, 50/Pack (10411I)~#|#~m003904492_sc7
Item: 1589185
Model: 10411I
No reviews yet
Price is $18.89
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX 6 1/2 x 6 1/2 Square Envelopes, 250/Box, Grocery Bag (8535-GB-250)~#|#~m000081571_sc7
Item: 385855
Model: 8535-GB-250
No reviews yet
Price is $97.41
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 13.4375 x 19.25, Clear, 1000/Carton (13.519.25CELLOB)~#|#~m001367398_sc7
Item: 262937
Model: 13.519.25CELLOB
No reviews yet
Price is $934.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 8.9375 x 11.25, Aqua Blue, 100/Pack (811BL1)~#|#~m000969582_sc7
Item: 235499
Model: 811BL1
No reviews yet
Price is $93.89
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 250/Pack, 80lb. White (4872-80W-250)~#|#~sp12274947_sc7LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 250/Pack, 80lb. White (4872-80W-250)~#|#~sp12275067_sc7
Item: 24161649
Model: 4872-80W-250
Price is $100.99
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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JAM Paper #10 Business Envelope 4 1/8" x 9 1/2", Dark Green, 500/Box (21514959H)~#|#~2BD223DB-3D49-4D7B-B89A3A176EC53DD7_sc7JAM Paper #10 Business Envelope 4 1/8" x 9 1/2", Dark Green, 500/Box (21514959H)~#|#~74E020BF-1522-4A43-BB5FD6934A5F484B_sc7
Item: 2633061
Model: 21514959H
No reviews yet
Price is $77.99
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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LUX 80lb 4 1/8"x9 1/2" Square Flap Metallic #10 Envelopes, Bronze, 500/BX~#|#~m004940419_sc7LUX 80lb 4 1/8"x9 1/2" Square Flap Metallic #10 Envelopes, Bronze, 500/BX~#|#~m005823903_sc7
Item: 516491
Model: 5360-12-500
No reviews yet
Price is $161.29
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 500/Box, Clear Translucent (8505-50-500)~#|#~m000081524_sc7
Item: 514919
Model: 8505-50-500
No reviews yet
Price is $175.82
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 250/Box, Wisteria (LUX-8505-106-25)~#|#~m000081537_sc7
Item: 388738
Model: LUX-8505-106-25
No reviews yet
Price is $53.89
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 3.6875 x 2.375, Clear, 1000/Carton (BUSCARDCELLOB)~#|#~m000068423_sc7
Item: 262942
Model: BUSCARDCELLOB
No reviews yet
Price is $209.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 70lb 4 1/8"x9 1/2" Open End #10 Envelopes, Grocery Bag Brown, 250/BX~#|#~m000081273_sc7
Item: 516427
Model: 7716-GB-250
No reviews yet
Price is $138.79
Free delivery by Wed, Feb 18
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LUX A10 Envelope - 24lb. White, Machine Insertable 250/Pack, 24lb. White (A10-24WMI-250)~#|#~sp12274947_sc7LUX A10 Envelope - 24lb. White, Machine Insertable 250/Pack, 24lb. White (A10-24WMI-250)~#|#~sp12275039_sc7
Item: 24161724
Model: A10-24WMI-250
No reviews yet
Price is $68.19
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Teal, 50/Pack (157462I)~#|#~m003904714_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Teal, 50/Pack (157462I)~#|#~m003904713_sc7
Item: 1588844
Model: 157462I
No reviews yet
Price is $22.19
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper 4Bar A1 Metallic Invitation Envelopes, 3.625 x 5.125, Stardream Silver, Bulk 250/Box (V018243H)~#|#~m004672478_sc7JAM Paper 4Bar A1 Metallic Invitation Envelopes, 3.625 x 5.125, Stardream Silver, Bulk 250/Box (V018243H)~#|#~m004672477_sc7
Item: 1589368
Model: V018243H
No reviews yet
Price is $189.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Peel & Seal Closure, 5.75 x 5.75, Clear, 100/Pack (5.75X5.75CELLO)~#|#~m000068420_sc7
Item: 262900
Model: 5.75X5.75CELLO
No reviews yet
Price is $52.39
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Flame Metallic (5380-26-250)~#|#~m005902317_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Flame Metallic (5380-26-250)~#|#~m000082023_sc7
Item: 515471
Model: 5380-26-250
No reviews yet
Price is $115.94
Free delivery by Wed, Feb 18
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LUX 6 x 9 Open End Envelopes, Gold Metallic, 1000/Box (1644-07-1000)~#|#~379E86B0-6A76-44C7-98807FBF2F8A619C_sc7
Item: 1028645
Model: 1644-07-1000
No reviews yet
Price is $294.14
Free delivery by Wed, Feb 18
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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 Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Seafoam (LUX-4865-113250)~#|#~m000081735_sc7
Item: 517510
Model: LUX-4865-113250
No reviews yet
Price is $66.99
Free delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Rose Quartz Metallic (5370-04-50)~#|#~m000081732_sc7
Item: 282500
Model: 5370-04-50
No reviews yet
Price is $16.19
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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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 $116.89
Free delivery by Wed, Feb 18
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JAM Paper 9 x 12 Open End Catalog Foil Envelopes with Self-Adhesive Closure, Blue with White Snowflakes, 25/Pack (1333310)~#|#~m000141500_sc7
Item: 362899
Model: 1333310
Price is $49.99
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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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 $214.76
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 500/Box, Natural Linen (8505-NLI-500)~#|#~m000081492_sc7
Item: 514843
Model: 8505-NLI-500
No reviews yet
Price is $118.35
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Invitation Envelopes, White, Bulk 1000/Carton (28416C)~#|#~sp126919118_sc7JAM Paper 6 x 6 Square Invitation Envelopes, White, Bulk 1000/Carton (28416C)~#|#~sp126919117_sc7
Item: 261341
Model: 28416C
No reviews yet
Price is $244.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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JAM Paper Square Envelopes, Peel & Press, Candy Pink, 6 1/4 x 6 1/4, 50 Pack (8530-23-50)~#|#~sp228873555_sc7
Item: 24578544
Model: 8530-23-50
No reviews yet
Price is $15.19
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX Slimline Invitation Envelopes (3 7/8 x 8 7/8) 500/Box, Midnight Black (LUX-72973-B-500)~#|#~m001149686_sc7
Item: 1028518
Model: LUX-72973-B-500
No reviews yet
Price is $140.69
Free delivery by Wed, Feb 18
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JAM Paper 6.5 x 6.5 Square Metallic Invitation Envelopes, Stardream Silver, Bulk 250/Box (GCST509H)~#|#~m004672426_sc7JAM Paper 6.5 x 6.5 Square Metallic Invitation Envelopes, Stardream Silver, Bulk 250/Box (GCST509H)~#|#~m004672425_sc7
Item: 1589820
Model: GCST509H
No reviews yet
Price is $314.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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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 $78.65
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Racing Green, 25/Pack (1591938)~#|#~sp73452816_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Racing Green, 25/Pack (1591938)~#|#~sp73452719_sc7
Item: 263708
Model: 1591938
No reviews yet
Price is $33.39
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper #10 Policy Business Envelopes, 4 1/8" x 9 1/2", Aqua Blue, 25/Pack (21520986)~#|#~m002934469_sc7JAM Paper #10 Policy Business Envelopes, 4 1/8" x 9 1/2", Aqua Blue, 25/Pack (21520986)~#|#~m003904907_sc7
Item: 363434
Model: 21520986
No reviews yet
Price is $14.89
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 6.5 x 6.5 Square Translucent Vellum Invitation Envelopes, Wisteria Purple, 25/Pack (1592113)~#|#~m006965559_sc7JAM Paper 6.5 x 6.5 Square Translucent Vellum Invitation Envelopes, Wisteria Purple, 25/Pack (1592113)~#|#~m006965558_sc7
Item: 262291
Model: 1592113
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 6 1/2 x 6 1/2 Square Envelopes, 50/Box, Garnet (EX8535-26-50)~#|#~m000081569_sc7
Item: 282205
Model: EX8535-26-50
No reviews yet
Price is $27.59
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper Booklet Envelopes, 9" x 12", Christmas Green, 1000/Carton (154124B)~#|#~m003904704_sc7JAM Paper Booklet Envelopes, 9" x 12", Christmas Green, 1000/Carton (154124B)~#|#~m003904703_sc7
Item: 261292
Model: 154124B
No reviews yet
Price is $362.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Gold, 50/Pack (PACV577I)~#|#~m003905180_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Gold, 50/Pack (PACV577I)~#|#~m003905179_sc7
Item: 1588394
Model: PACV577I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Spring Ochre Ivory, Bulk 250/Box (PACV510H)~#|#~sp122682022_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Spring Ochre Ivory, Bulk 250/Box (PACV510H)~#|#~sp122682057_sc7
Item: 1589790
Model: PACV510H
No reviews yet
Price is $283.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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Quality Park Gummed Kraft Catalog Envelope, 9 1/2" x 12 1/2", Kraft, 250/Bx (41565)~#|#~s0171318_sc7
Item: QUA41565
Model: QUA41565
Price is $117.00
Unit of measure 250/Box
Free delivery by Thu, Feb 12
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LUX 6 1/2 x 6 1/2 Foil Lined Square Envelopes, 500/Box, White w/Gold LUX Lining (FLWH8535-04-500)~#|#~m000081598_sc7
Item: 513760
Model: FLWH8535-04-500
No reviews yet
Price is $114.44
Free delivery by Wed, Feb 18
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Quality Park Clasp Kraft Catalog Envelope, 6" x 9", Kraft, 500/Box (QUA37555)~#|#~s0511675_sc7
Quality Park Clasp Kraft Catalog Envelope, 6" x 9", Kraft, 500/Box (QUA37555) is Out of stock
Item: 901455
Model: QUA37555
No reviews yet
Price is $150.49
Unit of measure 500/Box
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.