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Staples Gummed Kraft Catalog Envelopes, 9"L x 12"H, Brown, 100/Box (SPL194969)~#|#~s1224532_sc7Staples Gummed Kraft Catalog Envelopes, 9"L x 12"H, Brown, 100/Box (SPL194969)~#|#~s1224533_sc7
Item: 194969
Model: SPL194969/50190
Price is $35.09
Unit of measure 100/Box
Free Next-Day eligible by Mon, Feb 09
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Quality Park Clasp Catalog Envelope, 9" x 12", White, 100/Box (38390)~#|#~s0055833_sc7Quality Park Clasp Catalog Envelope, 9" x 12", White, 100/Box (38390)~#|#~m000015892_sc7
Item: QUA38390
Model: QUA38390
Price is $61.65
Unit of measure Box
Free delivery by Tue, Feb 10
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Pendaflex Plastic Button & String Booklet Envelope, Clear, 8 1/2" x 14", 3/Pack (63814-3)~#|#~m002293941_sc7
Item: 2623281
Model: 63814-3
Price is $14.99
Unit of measure 3/Pack Price per unit $5.00/Envelope
Delivery by Fri, Feb 13
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Quality Park Open End Kraft Catalog Envelopes, 15" x 20", Brown Kraft, 25/Box (QUA42355)~#|#~sp42804966_sc7Quality Park Open End Kraft Catalog Envelopes, 15" x 20", Brown Kraft, 25/Box (QUA42355)~#|#~sp42804965_sc7
Item: 507902
Model: QUA42355
Price is $65.59
Unit of measure 25/Box
Free Next-Day eligible by Mon, Feb 09
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JAM Paper Open End Catalog Envelope, 6" x 9", White, 50/Pack (1623192I)~#|#~sp111772487_sc7JAM Paper Open End Catalog Envelope, 6" x 9", White, 50/Pack (1623192I)~#|#~sp111772486_sc7
Item: 24052394
Model: 1623192I
Price is $15.29
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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Quality Park Redi-Strip™ Business #10 Envelopes, 4 1/8" x 9 1/2", White, 500/Bx~#|#~s0477871_sc7
Item: QUA69022
Model: QUA69022
No reviews yet
Price is $120.61
Unit of measure Box
Free delivery by Tue, Feb 10
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JAM Paper 9.5 x 12.625 Booklet Commercial Envelopes, White, 25/Pack (4023221)~#|#~sp123307996_sc7JAM Paper 9.5 x 12.625 Booklet Commercial Envelopes, White, 25/Pack (4023221)~#|#~sp123307995_sc7
Item: 366155
Model: 4023221
Price is $13.59
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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LUX 4 x 4 Square Envelopes, 50/Box, 70lb. Bright White (8504-AO-50)~#|#~m000081468_sc7
Item: 282099
Model: 8504-AO-50
Price is $12.69
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 100/Pack (4023213C)~#|#~m002934506_sc7JAM Paper A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 100/Pack (4023213C)~#|#~m002934505_sc7
Item: 2103322
Model: 4023213C
Price is $29.09
Unit of measure 100/Pack
Delivery by Fri, Feb 13
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JAM Paper A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 50/Pack (4023213I)~#|#~m003904861_sc7JAM Paper A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 50/Pack (4023213I)~#|#~m003904860_sc7
Item: 1588740
Model: 4023213I
Price is $17.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 12" x 16", White, 100/Carton (QUAR4520)~#|#~sp49508231_sc7Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 12" x 16", White, 100/Carton (QUAR4520)~#|#~sp49508230_sc7
Item: 892994
Model: QUAR4520
Price is $357.99
Unit of measure 100/Carton
Free Next-Day eligible by Mon, Feb 09
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Quality Park Survivor Self Seal Catalog Envelopes, 12"L x 16"H, White, 25/Box (QUAR4292)~#|#~sp44490036_sc7Quality Park Survivor Self Seal Catalog Envelopes, 12"L x 16"H, White, 25/Box (QUAR4292)~#|#~sp44490035_sc7
Item: QUAR4292
Model: QUAR4292
Price is $159.47
Unit of measure Box
Free Next-Day eligible by Mon, Feb 09
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Quality Park Clasp & Moistenable Glue Kraft Catalog Envelopes, 9.25" x 14.5", Brown Kraft, 100/Box (QUA37894)~#|#~sp42117054_sc7Quality Park Clasp & Moistenable Glue Kraft Catalog Envelopes, 9.25" x 14.5", Brown Kraft, 100/Box (QUA37894)~#|#~sp42117052_sc7
Item: 813480
Model: QUA37894
Price is $63.59
Unit of measure 100/Box
Free Next-Day eligible by Mon, Feb 09
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LUX 8 3/4 x 11 1/2 Booklet Window Envelopes 50/Pack, 28lb. White (811BW-28W-50)~#|#~FADB0EBA-9875-4051-B61BAAB8577D2D58_sc7LUX 8 3/4 x 11 1/2 Booklet Window Envelopes 50/Pack, 28lb. White (811BW-28W-50)~#|#~0FEA5490-2D82-458C-908F673B3EBBDF0A_sc7
Item: 24148612
Model: 811BW-28W-50
No reviews yet
Price is $47.19
Unit of measure 50/Pack
Free delivery by Tue, Feb 17
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Quality Park Kraft #1 Envelope 2 1/4" x 3 1/2", Light Brown, 500/Box (QUA50160)~#|#~sp48117216_sc7Quality Park Kraft #1 Envelope 2 1/4" x 3 1/2", Light Brown, 500/Box (QUA50160)~#|#~6878D824-4573-4A6E-B61F23C1D87957B8_sc7
Item: 827898
Model: QUA50160
Price is $44.19
Unit of measure 500/Box
Free Next-Day eligible by Mon, Feb 09
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JAM Paper #3 Coin Envelopes, 2 1/2" x 4 1/4", White, 100/Pack (1623183D)~#|#~C64E9FF1-91A4-4205-B6FAD7500FEA9341_sc7
Item: 24557942
Model: 1623183D
No reviews yet
Price is $20.49
Unit of measure 100/Pack
Delivery by Fri, Feb 13
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JAM PAPER Self Seal Catalog Envelopes, 5 1/2" x 7 1/2", Brown Kraft Manila, 100/Pack (400238465D)~#|#~26730DBE-54FB-4539-848979245847A148_sc7JAM PAPER Self Seal Catalog Envelopes, 5 1/2" x 7 1/2", Brown Kraft Manila, 100/Pack (400238465D)~#|#~0A04909B-0406-4C3A-9948FA2FFBCA1358_sc7
Item: 24557954
Model: 400238465D
No reviews yet
Price is $28.29
Unit of measure 100/Pack
Delivery by Fri, Feb 13
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Quality Park Kraft Self Seal Document Envelopes, 9 3/4" x 12 1/2", White, 25/Box (64015)~#|#~sp44852729_sc7Quality Park Kraft Self Seal Document Envelopes, 9 3/4" x 12 1/2", White, 25/Box (64015)~#|#~sp44852727_sc7
Item: 2598542
Model: QUA64015
Price is $54.99
Unit of measure 25/Box
Free Next-Day eligible by Mon, Feb 09
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Quality Park Unsealed Kraft Catalog Envelope, 22" x 17", Kraft, 25/Box (42356)~#|#~s0171336_sc7Quality Park Unsealed Kraft Catalog Envelope, 22" x 17", Kraft, 25/Box (42356)~#|#~s0288244_sc7
Quality Park Unsealed Kraft Catalog Envelope, 22" x 17", Kraft, 25/Box (42356) is Backorder
Item: 377341
Model: QUA42356
Price is $86.09
Unit of measure 25/Box
Free delivery by Thu, Apr 02
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LUX Self Seal #10 Window Envelope, 4 1/2" x 9 1/2", White Wove, 500/Pack (10APW-WW-500)~#|#~sp5822112_sc7LUX Self Seal #10 Window Envelope, 4 1/2" x 9 1/2", White Wove, 500/Pack (10APW-WW-500)~#|#~sp5875295_sc7
Item: 23996358
Model: 10APW-WW-500
No reviews yet
Price is $196.99
Unit of measure 500/Pack
Free delivery by Tue, Feb 17
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, White, Bulk 250/Box (4023213H)~#|#~m003904861_sc7JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, White, Bulk 250/Box (4023213H)~#|#~m003904860_sc7
Item: 1590111
Model: 4023213H
Price is $65.39
Unit of measure 250/Box
Free delivery by Fri, Feb 13
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JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 100/Pack (31820C)~#|#~m003904578_sc7JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 100/Pack (31820C)~#|#~m003904577_sc7
Item: 2103325
Model: 31820C
Price is $26.19
Unit of measure 100/Pack
Delivery by Fri, Feb 13
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LUX W-2 / 1099 Envelopes (5 3/4 x 8) 250/Pack, White (7489-W2-250)~#|#~sp5822112_sc7LUX W-2 / 1099 Envelopes (5 3/4 x 8) 250/Pack, White (7489-W2-250)~#|#~sp5875302_sc7
Item: 23996254
Model: 7489-W2-250
Price is $83.59
Unit of measure 250/Pack
Free delivery by Tue, Feb 17
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JAM Paper A6 Invitation Envelope 4 3/4" x 6 1/2", Presidential Blue, 50/Pack (563916906I)~#|#~99106190-775E-4E05-8A4118C8071FCF84_sc7JAM Paper A6 Invitation Envelope 4 3/4" x 6 1/2", Presidential Blue, 50/Pack (563916906I)~#|#~FEEFBDDE-9431-4774-871B8E8D11311C3C_sc7
Item: 1588930
Model: 563916906I
Price is $23.29
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.