Sponsored Products
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Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 10"L x 13"H, White, 25/Box (QUAR4202)~#|#~sp44490032_sc7Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 10"L x 13"H, White, 25/Box (QUAR4202)~#|#~sp44490031_sc7
Item: 813458
Model: QUAR4202
Price is $78.69
Unit of measure 25/Box
Free delivery by Wed, Dec 10
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Quality Park Unsealed Booklet Envelope, 9 1/2" x 11 7/8", Beige, 100/Box (QUA89604)~#|#~s0055705_sc7Quality Park Unsealed Booklet Envelope, 9 1/2" x 11 7/8", Beige, 100/Box (QUA89604)~#|#~s0066917_sc7
Item: 508477
Model: QUA89604
No reviews yet
Price is $138.69
Unit of measure 100/Box
Free delivery by Tue, Dec 09
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Staples Gummed Booklet Envelopes, 10" x 13", White, 100/Box (SPL487765)~#|#~184C7C5F-0AB1-4D81-A9038863C9C61F84_sc7Staples Gummed Booklet Envelopes, 10" x 13", White, 100/Box (SPL487765)~#|#~8C684CE7-81A0-4891-ADDABCFF5E94D659_sc7
Item: 487765
Model: ST50192
Price is $35.89
Unit of measure 100/Box
Free delivery by Tue, Dec 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 delivery by Tue, Dec 09
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Quality Park Redi-Seal Kraft Catalog Envelope, 9" x 12", Brown, 100/Box (43511)~#|#~s0341571_sc7
Item: 802220
Model: QUA43511
Price is $25.29
Unit of measure 100/Box
Delivery by Fri, Dec 12
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Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 12"L x 16"H, White, 25/Box (QUAR4292)~#|#~sp44490036_sc7Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 12"L x 16"H, White, 25/Box (QUAR4292)~#|#~sp44490035_sc7
Item: 813459
Model: QUAR4292
Price is $112.69
Unit of measure 25/Box
Free delivery by Fri, Dec 12
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JAM PAPER Commercial Open End Catalog Envelopes, 6 1/2" x 9 1/2", White, 25/Pack (1623193)~#|#~sp105663282_sc7JAM PAPER Commercial Open End Catalog Envelopes, 6 1/2" x 9 1/2", White, 25/Pack (1623193)~#|#~sp105663280_sc7
Item: 366674
Model: 1623193
Price is $9.59
Unit of measure 25/Pack
Delivery by Mon, Dec 15
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Quality Park Tyvek Open End Flap-Stik Expansion Self Seal Catalog Envelope, 12" x 16" x 2", White, 100/Carton (R4650)~#|#~s0171555_sc7
Item: 427811
Model: QUAR4650
No reviews yet
Price is $403.89
Unit of measure 100/Carton
Free delivery by Mon, Dec 15
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LUX 6 1/2 x 9 1/2 Booklet Envelopes 50/Pack, 24lb. Bright White (12229-50)~#|#~sp14807384_sc7
Item: 24261365
Model: 12229-50
Price is $17.59
Unit of measure 50/Pack
Delivery by Wed, Dec 17
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Quality Park Redi-Strip Security Tinted #10 Envelopes, 4-1/8" x 9-1/2", White, 30/Box (QUA69112)~#|#~s0375270_sc7Quality Park Redi-Strip Security Tinted #10 Envelopes, 4-1/8" x 9-1/2", White, 30/Box (QUA69112)~#|#~s0171469_sc7
Item: 813435
Model: QUA69112
Price is $15.89
Unit of measure 30/Box
Delivery by Tue, Dec 09
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JAM Paper 11.5" x 11.5" Large Square Invitation Envelopes, White, 100/Pack (03992321B)~#|#~sp118566184_sc7JAM Paper 11.5" x 11.5" Large Square Invitation Envelopes, White, 100/Pack (03992321B)~#|#~sp118566189_sc7
Item: 261331
Model: 03992321B
Price is $115.09
Unit of measure 100/Box
Free delivery by Mon, Dec 15
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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 Mon, Dec 15
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Box, 70lb. Bright White (20677-500)~#|#~m000081998_sc7
Item: 515444
Model: 20677-500
Price is $129.79
Free delivery by Wed, Dec 17
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Holiday Red (FE4280-15-250)~#|#~m000082035_sc7
Item: 387846
Model: FE4280-15-250
Price is $51.69
Unit of measure 250/Box
Free delivery by Wed, Dec 17
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 50/Box, Gold Metallic (5375-07-50)~#|#~m000081706_sc7
Item: 282611
Model: 5375-07-50
Price is $18.99
Unit of measure 50/Pack
Delivery by Wed, Dec 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 Mon, Dec 15
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Holiday Green (FE4280-12-50)~#|#~m005902339_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Holiday Green (FE4280-12-50)~#|#~m005823952_sc7
Item: 282773
Model: FE4280-12-50
Price is $19.79
Unit of measure 50/Pack
Delivery by Wed, Dec 17
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JAM Paper 10 x 15 Open End Catalog Envelopes, White, 50/Pack (1623200i)~#|#~sp61031462_sc7JAM Paper 10 x 15 Open End Catalog Envelopes, White, 50/Pack (1623200i)~#|#~sp61031302_sc7
Item: 24006121
Model: 1623200I
No reviews yet
Price is $42.99
Unit of measure 50/Pack
Free delivery by Mon, Dec 15
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Staples Tyvek EasyClose Catalog Envelopes, 12"L x 15.5"H, White, 100/Box (ST19869)~#|#~sp37069929_sc7
Item: 534941
Model: ST19869
Price is $132.59
Unit of measure 100/Box
Free delivery by Tue, Dec 09
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JAM Paper Tyvek Open End Clasp Catalog Envelope, 11 1/2" x 14 1/2", Red, 10/Pack (V021388B)~#|#~sp61031269_sc7JAM Paper Tyvek Open End Clasp Catalog Envelope, 11 1/2" x 14 1/2", Red, 10/Pack (V021388B)~#|#~sp61031267_sc7
Item: 1912861
Model: V021388B
Price is $22.69
Unit of measure 10/Pack
Delivery by Mon, Dec 15
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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 Fri, Dec 12
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Quality Park Redi-Seal Catalog Envelope, 6" x 9", White, 100/Box (43117)~#|#~s0171342_sc7
Item: 507910
Model: QUA43117
Price is $28.29
Unit of measure 100/Box
Delivery by Tue, Dec 09
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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 Tue, Dec 09
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LUX A2 (4 3/8 x 5 3/4) 500/Box, White - 100% Recycled (4870-WPC-500)~#|#~m000161358_sc7
Item: 516334
Model: 4870-WPC-500
Price is $86.49
Free delivery by Wed, Dec 17
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JAM Paper 4Bar A1 Invitation Envelopes, 3.625 x 5.125, White, 50/Pack (47385H)~#|#~sp111772467_sc7JAM Paper 4Bar A1 Invitation Envelopes, 3.625 x 5.125, White, 50/Pack (47385H)~#|#~sp111772466_sc7
Item: 2329312
Model: 47385H
Price is $13.49
Unit of measure 50/Pack
Delivery by Mon, Dec 15
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Quality Park Redi-Seal Self Seal Security Tinted #10 Double Window Envelope, 4 1/2" x 9 1/2", White Wove, 50/Pack (24559-QP-50)~#|#~sp5822112_sc7Quality Park Redi-Seal Self Seal Security Tinted #10 Double Window Envelope, 4 1/2" x 9 1/2", White Wove, 50/Pack (24559-QP-50)~#|#~sp5875503_sc7
Item: 23996473
Model: 24559-QP-50
Price is $42.69
Unit of measure 50/Pack
Free delivery by Wed, Dec 17
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Crystal Metallic (5380-30-50)~#|#~m005902319_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Crystal Metallic (5380-30-50)~#|#~m005823946_sc7
Item: 282753
Model: 5380-30-50
Price is $19.99
Unit of measure 50/Pack
Delivery by Wed, Dec 17
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JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Natural White Wove, 25/Pack (44507)~#|#~m007159137_sc7JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Natural White Wove, 25/Pack (44507)~#|#~m007159136_sc7
Item: 263994
Model: 44507
No reviews yet
Price is $12.69
Unit of measure 25/Pack
Delivery by Mon, Dec 15
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JAM Paper A2 Invitation Envelope, 4 3/8" x 5 3/4", White, 250/Pack (MOOP6250LDH)~#|#~m003904592_sc7JAM Paper A2 Invitation Envelope, 4 3/8" x 5 3/4", White, 250/Pack (MOOP6250LDH)~#|#~m003904591_sc7
Item: 1589293
Model: MOOP6250LDH
Price is $50.89
Unit of measure 250/Box
Free delivery by Mon, Dec 15
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Quality Park Kraft #5 1/2 Envelope 3 1/8" x 5 1/2", Brown, 500/Box (QUA50562)~#|#~sp46039003_sc7
Item: 638561
Model: QUA50562
Price is $56.59
Unit of measure 500/Box
Free delivery by Tue, Dec 09
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Quality Park Kraft #6 Envelope 3 3/8" x 6", Brown, 500/Box (QUA50662)~#|#~sp42115989_sc7Quality Park Kraft #6 Envelope 3 3/8" x 6", Brown, 500/Box (QUA50662)~#|#~sp42115988_sc7
Item: 389378
Model: QUA50662
Price is $67.59
Unit of measure 500/Box
Free delivery by Fri, Dec 12
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LUX #10 All Purpose Window (4 1/8 x 9 1/2) 500/Box, 24lb. White w/ Sec Tint (WS-3133-500)~#|#~m004064002_sc7
Item: 2146676
Model: WS-3133-500
No reviews yet
Price is $135.29
Unit of measure 500/Pack
Free delivery by Wed, Dec 17
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Staples Gummed Kraft Catalog Envelopes, 10"L x 13"H, Brown, 250/Box (486946/17033)~#|#~s1224585_sc7Staples Gummed Kraft Catalog Envelopes, 10"L x 13"H, Brown, 250/Box (486946/17033)~#|#~s1224506_sc7
Item: 486946
Model: ST486946-CC
Price is $104.89
Unit of measure 250/Box
Free delivery by Tue, Dec 09
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Quality Park Redi-Seal Self Seal Security Tinted #8 Double Window Envelope 3 5/8" x 8 5/8", White Wove, 50/Pack (24539-50)~#|#~sp5822112_sc7Quality Park Redi-Seal Self Seal Security Tinted #8 Double Window Envelope 3 5/8" x 8 5/8", White Wove, 50/Pack (24539-50)~#|#~sp5875517_sc7
Item: 23995955
Model: 24539-50
Price is $59.69
Unit of measure 50/Pack
Free delivery by Wed, Dec 17
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LUX 4 3/8" x 8 1/4" 60lbs. Photo Greeting Envelopes W/Peel & Press, White/Red Lining~#|#~m000082206_sc7
LUX 4 3/8" x 8 1/4" 60lbs. Photo Greeting Envelopes W/Peel & Press, White/Red Lining is Out of stock
Item: 282972
Model: FLWHPHGC-01-50
No reviews yet
Price is $43.79
Unit of measure 50/Pack
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.