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Staples Kraft Catalog Envelopes, 6" x 9", Manila, 100/Box (918765/19381)~#|#~962003A1-4C21-42FB-8D65365FE763202C_sc7Staples Kraft Catalog Envelopes, 6" x 9", Manila, 100/Box (918765/19381)~#|#~FD91972A-05A3-428C-AF19005AA385028D_sc7
Item: 918765
Model: ST918765-CC
Price is $20.09
Unit of measure 100/Box Price per unit $0.20/Envelope
Next-Day Delivery by tomorrow
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Quality Park Tyvek Flap-Stik Self Seal #98 Catalog Envelope, 10" x 15", White, 100/Box (R1660)~#|#~s0293060_sc7Quality Park Tyvek Flap-Stik Self Seal #98 Catalog Envelope, 10" x 15", White, 100/Box (R1660)~#|#~s0171519_sc7
Item: 827946
Model: QUAR1660
No reviews yet
Price is $139.39
Unit of measure 100/Box
Free Next-Day eligible by tomorrow
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JAM Paper Open End Kraft Catalog Envelope, 5 1/2" x 7 1/2", Brown, 25/Pack (4101)~#|#~sp111772307_sc7JAM Paper Open End Kraft Catalog Envelope, 5 1/2" x 7 1/2", Brown, 25/Pack (4101)~#|#~sp111772306_sc7
Item: 366625
Model: 4101
Price is $9.59
Unit of measure 25/Pack
Delivery by Fri, Dec 05
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Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Assorted Colors, 50/Pack (ST23431-CC)~#|#~5C561CBB-1963-4D64-A85EEA57A8AF559B_sc7Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Assorted Colors, 50/Pack (ST23431-CC)~#|#~F7756BA6-CC51-48E2-AF9D153F6450886B_sc7
Item: 122725
Model: ST23431-CC
Price is $11.49
Unit of measure 50/Pack
Next-Day Delivery by tomorrow
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JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Red Recycled, 25/Pack (67503)~#|#~sp115352048_sc7JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Red Recycled, 25/Pack (67503)~#|#~sp115352047_sc7
Item: 260827
Model: 67503
Price is $11.49
Unit of measure 25/Pack
Delivery by Fri, Dec 05
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Staples EasyClose Booklet Envelopes, 6" x 9", White, 250/Box (SPL570225)~#|#~599BB8BC-D424-47B7-9A797CE6D154AC4F_sc7Staples EasyClose Booklet Envelopes, 6" x 9", White, 250/Box (SPL570225)~#|#~D2D35CE7-9235-4C11-9294C7A1362B8A2C_sc7
Item: 570225
Model: ST50157
Price is $51.99
Unit of measure 250/Box Price per unit $0.21/Envelope
Free Next-Day eligible by tomorrow
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Quality Park Tyvek Flap-Stik Self Seal Catalog Envelope, 9" x 12", White, 50/Box (QUAR1462)~#|#~s0171511_sc7
Item: 901463
Model: QUAR1462
Price is $90.49
Unit of measure 50/Box Price per unit $1.81/Envelope
Free Next-Day eligible by tomorrow
30-min pickup
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Staples EasyClose Kraft Catalog Envelopes, 10"L x 13"H, Brown, 250/Box (479889/14238)~#|#~s1224562_sc7Staples EasyClose Kraft Catalog Envelopes, 10"L x 13"H, Brown, 250/Box (479889/14238)~#|#~s1224561_sc7
Item: 479889
Model: ST479889-CC
Price is $71.09
Unit of measure 250/Box
Free Next-Day eligible by tomorrow
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Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50307-CC)~#|#~888BE6B1-31CD-47C0-A8C1657439776121_sc7Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50307-CC)~#|#~DDE921C8-55FF-44C0-B2C5590B29C8AE44_sc7
13% off of Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50307-CC)
Item: 394053
Model: ST50307-CC
Price is $9.99, Regular price was $11.49, You save 13%
Unit of measure 100/Box Price per unit $0.10/Envelope
Next-Day Delivery by tomorrow
30-min pickup
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Staples Clasp & Moistenable Glue Kraft Catalog Envelope, 11 1/2" x 14 1/2", Brown, 100/Box (ST17748-CC)~#|#~s1223345_sc7Staples Clasp & Moistenable Glue Kraft Catalog Envelope, 11 1/2" x 14 1/2", Brown, 100/Box (ST17748-CC)~#|#~s1223341_sc7
Item: 535039
Model: ST17748-CC
Price is $67.19
Unit of measure 100/Box
Free Next-Day eligible by tomorrow
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Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142)~#|#~FB94F56A-45CF-4984-847A65400A7A8E61_sc7Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142)~#|#~0D8F3F35-8E3A-4909-B88B83C8AFF3B982_sc7
Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142) is New at Staples
Item: 24639725
Model: 1017142
No reviews yet
Price is $19.99
Unit of measure 25/Pack
Next-Day Delivery by tomorrow
30-min pickup
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JAM Paper Peel & Seal #10 Business Envelope, 4 1/8" x 9 1/2", Christmas Red, 50/Pack (11789I)~#|#~sp36388124_sc7JAM Paper Peel & Seal #10 Business Envelope, 4 1/8" x 9 1/2", Christmas Red, 50/Pack (11789I)~#|#~sp36388044_sc7
Item: 1588623
Model: 11789I
Price is $16.99
Unit of measure 50/Pack
Delivery by Fri, Dec 05
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JAM Paper Self Seal Catalog Envelope, 9" x 12", Red, 25/Pack (188447598)~#|#~FD45BAA7-0E4F-4B60-9817DBD80BE22D23_sc7
Item: 24557913
Model: 188447598
No reviews yet
Price is $24.99
Unit of measure 25/Pack
Delivery by Fri, Dec 05
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Quality Park Clasp & Moistenable Glue Kraft Catalog Envelope, 9 1/2" x 12 1/2", Kraft, 100/Box (37793)~#|#~s0288241_sc7
Item: 510623
Model: QUA37793
Price is $38.49
Unit of measure 100/Box
Free Next-Day eligible by tomorrow
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Staples First Class EasyClose Catalog Envelopes, 9"L x 12"H, White and Green, 100/Box (SPL486929)~#|#~s1224518_sc7Staples First Class EasyClose Catalog Envelopes, 9"L x 12"H, White and Green, 100/Box (SPL486929)~#|#~s1224514_sc7
Item: 486929
Model: ST50191-CC
Price is $38.79
Unit of measure 100/Box Price per unit $0.39/Envelope
Free Next-Day eligible by tomorrow
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LUX Peel & Seel Self Seal #10 Business Envelope, 4 1/2" x 9 1/2", White, 500/Pack  (75746-500)~#|#~sp14807440_sc7
Item: 24260640
Model: 75746-500
No reviews yet
Price is $112.89
Unit of measure 500/Pack
Free delivery by Wed, Dec 10
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JAM Paper A7 Invitation Envelope, 5 1/4" x 7 1/4", Red, 25/Pack (15945)~#|#~m002934113_sc7JAM Paper A7 Invitation Envelope, 5 1/4" x 7 1/4", Red, 25/Pack (15945)~#|#~m002934112_sc7
Item: 260829
Model: 15945
Price is $10.29
Unit of measure 25/Pack
Delivery by Fri, Dec 05
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JAM Paper Open End #15 1/2 Catalog Envelope, 12" x 15 1/2", White, 25/Pack (1623202)~#|#~sp111772503_sc7JAM Paper Open End #15 1/2 Catalog Envelope, 12" x 15 1/2", White, 25/Pack (1623202)~#|#~sp111772502_sc7
Item: 366717
Model: 1623202
Price is $20.79
Unit of measure 25/Pack
Delivery by Fri, Dec 05
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LUX 70lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Glue, Natural, 250/BX~#|#~m000082171_sc7
Item: 385429
Model: 5895-01-250
No reviews yet
Price is $53.19
Unit of measure 250/Box
Free delivery by Wed, Dec 10
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Staples Tyvek EasyClose Catalog Envelopes, 10"L x 13"H, White, 100/Box (ST19872)~#|#~sp37727754_sc7
Item: 534925
Model: ST19872
Price is $110.39
Unit of measure 100/Box Price per unit $1.10/Envelope
Free Next-Day eligible by tomorrow
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Staples Clasp & Moistenable Glue Kraft Catalog Envelopes, 10"L x 15"H, Brown, 100/Box (535021/19814)~#|#~sp45960592_sc7Staples Clasp & Moistenable Glue Kraft Catalog Envelopes, 10"L x 15"H, Brown, 100/Box (535021/19814)~#|#~E8F6B4B3-8E31-4BCF-8B1129085D2D1679_sc7
Item: 535021
Model: ST535021-CC
Price is $37.99
Unit of measure 100/Box Price per unit $0.38/Envelope
Free Next-Day eligible by tomorrow
30-min pickup
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Staples EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (50306)~#|#~s1223617_sc7Staples EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (50306)~#|#~s1223598_sc7
Item: 381912
Model: ST50306-CC
Price is $32.19
Unit of measure 500/Box Price per unit $0.06/Envelope
Next-Day Delivery by tomorrow
30-min pickup
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JAM Paper Gummed A7 Invitation Envelopes, 7 1/4" x 5 1/4", Regular White, 100/Pack (73767C)~#|#~sp59510334_sc7JAM Paper Gummed A7 Invitation Envelopes, 7 1/4" x 5 1/4", Regular White, 100/Pack (73767C)~#|#~sp59510400_sc7
Item: 2103272
Model: 73767C
Price is $26.19
Unit of measure 100/Pack
Delivery by Fri, Dec 05
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LUX 9 x 12 Full Face Window Envelopes 50/Pack, 28lb. Bright White (FFW-912-50)~#|#~sp14807536_sc7
Item: 24261231
Model: FFW-912-50
Price is $41.39
Unit of measure 50/Pack
Free delivery by Wed, Dec 10
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Staples QuickStrip EasyClose Self Seal #10 Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (ST381936/381936)~#|#~s1226295_sc7Staples QuickStrip EasyClose Self Seal #10 Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (ST381936/381936)~#|#~s1223638_sc7
Item: 381936
Model: ST381936/381936
Price is $35.39
Unit of measure 500/Box Price per unit $0.07/Envelope
Free Next-Day eligible by tomorrow
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Staples Clasp Close Kraft Catalog Envelopes, 9"L x 12"H, Brown, 250/Box (487493/17242)~#|#~s1223342_sc7Staples Clasp Close Kraft Catalog Envelopes, 9"L x 12"H, Brown, 250/Box (487493/17242)~#|#~43A57CA3-A340-4B3C-AC4E3E8AB1D21D56_sc7
Item: 487493
Model: ST487493-CC
Price is $51.29
Unit of measure 250/Box Price per unit $0.20/Envelope
Free Next-Day eligible by tomorrow
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JAM Paper 7 1/2 x 7 1/2 Square Envelopes, Ruby Red, 50 Pack (EX8555-18-50)~#|#~sp228873521_sc7
Item: 24578461
Model: EX8555-18-50
No reviews yet
Price is $17.99
Unit of measure 50/Pack
Delivery by Fri, Dec 05
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JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Teal, 25/Pack (21517152)~#|#~m003904906_sc7JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Teal, 25/Pack (21517152)~#|#~m003904905_sc7
Item: 364010
Model: 21517152
No reviews yet
Price is $14.29
Unit of measure 25/Pack
Delivery by Fri, Dec 05
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Candy Pink (EX4880-14-50)~#|#~m000082014_sc7
Item: 282745
Model: EX4880-14-50
Price is $22.59
Unit of measure 50/Pack
Delivery by Wed, Dec 10
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Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418)~#|#~sp38165574_sc7Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418)~#|#~sp38165572_sc7
Item: 458294
Model: QUA21418
Price is $99.29
Unit of measure 500/Box Price per unit $0.20/Envelope
Free Next-Day eligible by tomorrow
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JAM Paper Self Seal Catalog Envelope, 10 1/2" x 7 1/2", Brown Kraft Manila, 100/Pack (13034230D)~#|#~07C4B61C-FF55-4935-8A01EA16C3FD1ADE_sc7
Item: 24557947
Model: 13034230D
No reviews yet
Price is $38.49
Unit of measure 100/Pack
Free delivery by Fri, Dec 05
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LUX Peel & Seel Self Seal #10 Window Envelope, 4 1/2" x 9 1/2", White, 50/Pack  (75761-50)~#|#~sp14807363_sc7
Item: 24260686
Model: 75761-50
Price is $26.09
Unit of measure 50/Pack
Delivery by Wed, Dec 10
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JAM Paper A6 Square Flap Envelopes, Peel & Press, 60lb, 4 3/4 x 6 1/2, Bright Blue, 50 Pack (4875-13-50)~#|#~sp228873495_sc7
Item: 24578389
Model: 4875-13-50
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Dec 05
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, White, 50/Pack (31820I)~#|#~m003904578_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, White, 50/Pack (31820I)~#|#~m003904577_sc7
JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, White, 50/Pack (31820I) is Out of stock
Item: 1588932
Model: 31820I
Price is $10.29
Unit of measure 50/Pack
LUX Peel & Press Self Seal A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 50/Pack (4895-WPP-50)~#|#~sp14807687_sc7
LUX Peel & Press Self Seal A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 50/Pack (4895-WPP-50) is Out of stock
Item: 24260887
Model: 4895-WPP-50
Price is $21.59
Unit of measure 50/Pack

Trending now

Page 1 of 4
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.