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LUX A7 Invitation Envelopes, 5.25" x 7.25", 24 lb., Bright White, 500/Box (20677-500)~#|#~m000081998_sc7
Item: 515444
Model: 20677-500
Price is $129.79
Free delivery by Tue, Feb 17
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JAM Paper 7 x 10 Open End Catalog Envelopes, White, 25/Pack (1623194)~#|#~sp111772491_sc7JAM Paper 7 x 10 Open End Catalog Envelopes, White, 25/Pack (1623194)~#|#~sp111772490_sc7
Item: 366684
Model: 1623194
Price is $9.59
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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Quality Park Kraft Security Tinted Inter-Departmental Envelope 10" x 13", Multi Colors, 100/Box (QUA63778)~#|#~sp41687907_sc7Quality Park Kraft Security Tinted Inter-Departmental Envelope 10" x 13", Multi Colors, 100/Box (QUA63778)~#|#~sp41687906_sc7
Item: 458290
Model: QUA63778
Price is $100.89
Unit of measure 100/Box
Free delivery by Wed, Feb 11
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LUX Square Flap Self Seal #10 Invitation Envelope, 4 1/2" x 9 1/2", Sunflower, 50/Pack (EX4860-12-50)~#|#~sp14807340_sc7
Item: 24261325
Model: EX4860-12-50
No reviews yet
Price is $22.69
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper Kraft A6 Invitation Envelopes, 4.75 x 6.5, Brown Kraft Paper Bag, 25/Pack (LEKR650)~#|#~sp115352003_sc7JAM Paper Kraft A6 Invitation Envelopes, 4.75 x 6.5, Brown Kraft Paper Bag, 25/Pack (LEKR650)~#|#~sp115352002_sc7
Item: 261528
Model: LEKR650
Price is $14.29
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, 50/Pack (v018321i)~#|#~sp131391297_sc7JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, 50/Pack (v018321i)~#|#~sp131391296_sc7
Item: 2477994
Model: V018321I
No reviews yet
Price is $127.79
Unit of measure 50/Pack
Free delivery by Fri, Feb 13
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LUX A8 Envelope - 24lb. White, Machine Insertable 50/Pack, 24lb. White (A8-24WMI-50)~#|#~sp12274947_sc7LUX A8 Envelope - 24lb. White, Machine Insertable 50/Pack, 24lb. White (A8-24WMI-50)~#|#~sp12275040_sc7
Item: 24161707
Model: A8-24WMI-50
No reviews yet
Price is $17.95
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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LUX A8 Foil Lined Invitation Envelopes (5 1/2 x 8 1/8) 500/Box, White w/Gold LUX Lining (FLWH4885-04-500)~#|#~m000082134_sc7
Item: 513785
Model: FLWH4885-04-500
No reviews yet
Price is $137.89
Free delivery by Tue, Feb 17
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JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Green Recycled, 25/Pack (67195)~#|#~m003904610_sc7JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Green Recycled, 25/Pack (67195)~#|#~m003904609_sc7
Item: 261270
Model: 67195
No reviews yet
Price is $11.49
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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LUX 6 x 9 Open End Envelopes, 50/Box, White Linen (1644-WLI-50)~#|#~1BCBC95B-1866-46AB-81D2432661BD7B4B_sc7LUX 6 x 9 Open End Envelopes, 50/Box, White Linen (1644-WLI-50)~#|#~369A238F-71D1-4588-9E1A19C485D52FFE_sc7
Item: 1030029
Model: 1644-WLI-50
No reviews yet
Price is $57.99
Free delivery by Tue, Feb 17
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JAM Paper Currency Envelope, 3" x 6 11/16", White, 25/Pack (216313691)~#|#~sp137086240_sc7
Item: 2633148
Model: 216313691
Price is $9.89
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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JAM Paper #7 Coin Tear-Proof Tyvek Open End Envelopes, 3.5 x 6.5, White, 50/Pack (2131076C)~#|#~m004542906_sc7JAM Paper #7 Coin Tear-Proof Tyvek Open End Envelopes, 3.5 x 6.5, White, 50/Pack (2131076C)~#|#~m004542905_sc7
Item: 2329340
Model: 2131076C
Price is $27.19
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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Quality Park Survivor Tyvek Expansion Flap-Stik Catalog Envelopes, 12" x 16", 50/Carton (QUAR4497)~#|#~sp44490038_sc7Quality Park Survivor Tyvek Expansion Flap-Stik Catalog Envelopes, 12" x 16", 50/Carton (QUAR4497)~#|#~sp44490037_sc7
Item: 827877
Model: QUAR4497
Price is $300.89
Unit of measure 50/Carton
Free delivery by Tue, Feb 10
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LUX #10 All Purpose Window Envelopes(4 1/8 x 9 1/2) 50/Pack, 70lb. Grocery Bag (LUX-10APW-GB-50)~#|#~sp5822112_sc7LUX #10 All Purpose Window Envelopes(4 1/8 x 9 1/2) 50/Pack, 70lb. Grocery Bag (LUX-10APW-GB-50)~#|#~sp5875504_sc7
Item: 23996363
Model: LUX-10APW-GB-50
No reviews yet
Price is $29.49
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper A2 Invitation Envelope, 4 3/8" x 5 3/4", White, 50/Pack (MOOP6250LDI)~#|#~m003904592_sc7JAM Paper A2 Invitation Envelope, 4 3/8" x 5 3/4", White, 50/Pack (MOOP6250LDI)~#|#~m003904591_sc7
Item: 1589066
Model: MOOP6250LDI
Price is $12.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Pack, White Linen (4865-WLI-50)~#|#~sp14807853_sc7
Item: 24261195
Model: 4865-WLI-50
No reviews yet
Price is $14.95
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper #10 Business Strathmore Envelopes, 4.125 x 9.5, Bright White Laid, 50/Pack (191166I)~#|#~m002934323_sc7JAM Paper #10 Business Strathmore Envelopes, 4.125 x 9.5, Bright White Laid, 50/Pack (191166I)~#|#~m002934322_sc7
Item: 1588782
Model: 191166I
No reviews yet
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 250/Box (31820H)~#|#~m003904578_sc7JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 250/Box (31820H)~#|#~m003904577_sc7
Item: 1589037
Model: 31820H
Price is $50.89
Unit of measure 250/Box
Free delivery by Fri, Feb 13
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JAM Paper A2 Colored Invitation Envelopes, 4 3/8" x 5 3/4", Assorted Colors, 150/Pack (956A2brogvy)~#|#~10C3ADA3-FBCA-40C0-89A924CFF897F9D5_sc7JAM Paper A2 Colored Invitation Envelopes, 4 3/8" x 5 3/4", Assorted Colors, 150/Pack (956A2brogvy)~#|#~6F3A3927-F991-4684-ACE84A5599DE2D8A_sc7
Item: 24175052
Model: 956A2BROGVY
Price is $45.19
Unit of measure 150/Pack
Free delivery by Fri, Feb 13
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Staples Tyvek EasyClose Catalog Envelopes, 13" x 10", White, 100/Box (ST19860-CC)~#|#~sp37069921_sc7Staples Tyvek EasyClose Catalog Envelopes, 13" x 10", White, 100/Box (ST19860-CC)~#|#~sp37069918_sc7
Item: 534610
Model: ST19860-CC
Price is $286.99
Unit of measure 100/Box
Free Next-Day eligible by Mon, Feb 09
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Navy Blue, 250/BX~#|#~m000161287_sc7
Item: 388493
Model: LUX-4860-103-25
No reviews yet
Price is $56.99
Unit of measure 250/Box
Free delivery by Tue, Feb 17
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JAM Paper #7 Coin Business Colored Envelopes, 3.5 x 6.5, Ultra Fuchsia Pink, 50/Pack (1526767I)~#|#~m003184166_sc7
Item: 2329339
Model: 1526767I
Price is $20.39
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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Quality Park Gummed Booklet Envelopes, 6" x 9", White Wove, 100/Box (QUA37113)~#|#~sp42718489_sc7Quality Park Gummed Booklet Envelopes, 6" x 9", White Wove, 100/Box (QUA37113)~#|#~sp42718488_sc7
Item: 813372
Model: QUA37113
Price is $58.49
Unit of measure 100/Box
Free Next-Day eligible by Mon, Feb 09
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JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Blue Recycled, 50/Pack (54093I)~#|#~m003904598_sc7JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Blue Recycled, 50/Pack (54093I)~#|#~m003904597_sc7
Item: 1589517
Model: 54093I
Price is $17.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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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.