Square Envelopes

JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Natural White Wove, Bulk 250/Box (44507H)~#|#~sp132864589_sc7JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Natural White Wove, Bulk 250/Box (44507H)~#|#~sp132864588_sc7
Item: 1590123
Model: 44507H
No reviews yet
Price is $77.19
Unit of measure 250/Box
Free delivery by Mon, May 04
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Partners Brand Self Seal Catalog Envelope 10" x 13", White, 100/Carton (TYE10132WE)~#|#~60F50B8A-4203-4DC3-B418A9E1496787EF_sc7
Item: 947685
Model: TYE10132WE
Price is $292.19
Unit of measure 100/Carton Price per unit $2.92/Case
Free delivery by Mon, May 04
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JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Bright White, 25/Pack (18506)~#|#~m007063336_sc7JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Bright White, 25/Pack (18506)~#|#~m007063335_sc7
Item: 263980
Model: 18506
Price is $20.49
Unit of measure 25/Pack
Delivery by Mon, May 04
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LUX 5 3/4" x 8 3/4" 70lbs. A9 Invitation Envelopes W/Glue, Natural, 50/Pack~#|#~m000082171_sc7
Item: 282934
Model: 5895-01-50
Price is $18.09
Unit of measure 50/Pack
Delivery by Wed, May 06
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LUX 5 x 5 Square Envelopes, 50/Box, Wisteria (LUX-8505-106-50)~#|#~m000081537_sc7
Item: 282171
Model: LUX-8505-106-50
No reviews yet
Price is $14.19
Unit of measure 50/Pack
Delivery by Wed, May 06
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JAM Paper A2 Parchment Invitation Envelopes, 4.375 x 5.75, Brown Recycled, 25/Pack (53447)~#|#~m000067933_sc7
Item: 261869
Model: 53447
No reviews yet
Price is $11.49
Unit of measure 25/Pack
Delivery by Mon, May 04
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Green, 50/Pack (157459i)~#|#~sp137085983_sc7
Item: 24006047
Model: 157459I
No reviews yet
Price is $29.89
Unit of measure 50/Pack
Delivery by Mon, May 04
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LUX A2 (4 3/8 x 5 3/4) - Natural Linen 50/Pack, Natural Linen (4870-NLI-50)~#|#~sp14807907_sc7
Item: 24260318
Model: 4870-NLI-50
No reviews yet
Price is $16.59
Unit of measure 50/Pack
Delivery by Wed, May 06
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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, May 04
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LUX 80lb 6"x9 1/2" Square Flap Envelopes W/Peel&Press, Bright White, 500/BX~#|#~m000211248_sc7
Item: 513953
Model: FE4590-05-500
No reviews yet
Price is $128.19
Free delivery by Wed, May 06
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Quality Park Tyvek Open End Flap-Stik Expansion Self Seal Catalog Envelope, 10" x 15" x 2", White, 100/Box (R4630)~#|#~s0462614_sc7
Item: 827914
Model: QUAR4630
No reviews yet
Price is $326.99
Unit of measure 100/Box
Free delivery by Wed, Apr 29
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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 Wed, May 06
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Box, Natural (5880-01-500)~#|#~m000082050_sc7
Item: 515361
Model: 5880-01-500
Price is $68.69
Free delivery by Wed, May 06
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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 Mon, May 04
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LUX 4 1/8"x9 1/2" Open End #10 Envelopes, Bright White, 500/BX (7535-500)~#|#~5EC686DA-7AEC-499D-9D9404896C76D77A_sc7LUX 4 1/8"x9 1/2" Open End #10 Envelopes, Bright White, 500/BX (7535-500)~#|#~0C4B9FE1-3B5D-485E-8D78216FC0EADCB0_sc7
Item: 513617
Model: 7535-500
Price is $119.29
Free delivery by Wed, May 06
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JAM Paper 9" x 12" Open End Catalog Translucent Vellum Envelopes, Clear, 10/Pack (2851376B)~#|#~sp137085596_sc7
Item: 38314
Model: 2851376B
No reviews yet
Price is $29.69
Unit of measure 10/Pack
Delivery by Mon, May 04
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LUX A2 (4 3/8 x 5 3/4) - 24lb. White Wove 50/Pack, 24lb. Bright White (72924-50)~#|#~sp14807779_sc7
Item: 24260453
Model: 72924-50
No reviews yet
Price is $12.49
Unit of measure 50/Pack
Delivery by Wed, May 06
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JAM Paper Kraft A8 Invitation Envelopes, 5.5 x 8.125, Brown Kraft Paper Bag, 50/Pack (LEKR750I)~#|#~sp132864436_sc7JAM Paper Kraft A8 Invitation Envelopes, 5.5 x 8.125, Brown Kraft Paper Bag, 50/Pack (LEKR750I)~#|#~sp132864287_sc7
Item: 1589131
Model: LEKR750I
Price is $21.29
Unit of measure 50/Pack
Delivery by Mon, May 04
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Aquamarine Metallic (5380-02-50)~#|#~m005902306_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Aquamarine Metallic (5380-02-50)~#|#~m005823934_sc7
Item: 282728
Model: 5380-02-50
No reviews yet
Price is $30.79
Unit of measure 50/Pack
Delivery by Wed, May 06
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 16.4375 x 20.125, Clear, 100/Pack (16.520.125CELLO)~#|#~m000068422_sc7
Item: 262909
Model: 16.520.125CELLO
Price is $159.39
Unit of measure 100/Pack
Free delivery by Mon, May 04
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JAM Paper 10 x 13 Open End Catalog Envelopes, Navy Blue, 10/Pack (12828427f)~#|#~sp4800477_sc7JAM Paper 10 x 13 Open End Catalog Envelopes, Navy Blue, 10/Pack (12828427f)~#|#~sp4800476_sc7
Item: 2633139
Model: 12828427F
No reviews yet
Price is $15.89
Unit of measure 10/Pack
Delivery by Mon, May 04
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural, 50/Pack (900926651I)~#|#~sp132864269_sc7JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural, 50/Pack (900926651I)~#|#~sp132864268_sc7
Item: 1588594
Model: 900926651I
Price is $20.49
Unit of measure 50/Pack
Delivery by Mon, May 04
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Staples Gummed Kraft Catalog Envelopes, 12" x 15.5", Brown, 100/Box (SPL534784)~#|#~9C698824-DDED-41E2-8715827D5A85A654_sc7Staples Gummed Kraft Catalog Envelopes, 12" x 15.5", Brown, 100/Box (SPL534784)~#|#~1118643C-7156-4912-95CDB69B1951729C_sc7
Item: 534784
Model: ST50166
Price is $57.69
Unit of measure 100/Box
Free Next-Day eligible by tomorrow
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LUX Open End Window Envelopes 9" x 12", Sunflower Yellow~#|#~m001406670_sc7
Item: 1277775
Model: LUX-1590-12-500
No reviews yet
Price is $256.99
Unit of measure 500/Box
Free delivery by Wed, May 06
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LUX A8 Foil Lined Invitation Envelopes (5 1/2 x 8 1/8) 50/Box, Natural w/Gold LUX Lining (FLNT4885-04-50)~#|#~m000082131_sc7
Item: 282885
Model: FLNT4885-04-50
No reviews yet
Price is $28.99
Unit of measure 50/Pack
Delivery by Wed, May 06
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Pack, White - 100% Recycled (4865-WPC-50)~#|#~sp14807832_sc7
Item: 24260390
Model: 4865-WPC-50
No reviews yet
Price is $13.29
Unit of measure 50/Pack
Delivery by Wed, May 06
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JAM Paper A6 Metallic Invitation Envelopes, 4.75 x 6.5, Stardream Silver, 25/Pack (GCST659)~#|#~m004672438_sc7JAM Paper A6 Metallic Invitation Envelopes, 4.75 x 6.5, Stardream Silver, 25/Pack (GCST659)~#|#~m004672437_sc7
Item: 261987
Model: GCST659
No reviews yet
Price is $29.89
Unit of measure 25/Pack
Delivery by Mon, May 04
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LUX 5 x 7 1/2 Kraft Open End - 24lb. Brown Kraft 50/Pack, 24lb. Brown Kraft (WS-4504-50)~#|#~sp5822112_sc7LUX 5 x 7 1/2 Kraft Open End - 24lb. Brown Kraft 50/Pack, 24lb. Brown Kraft (WS-4504-50)~#|#~sp5874348_sc7
Item: 23995729
Model: WS-4504-50
No reviews yet
Price is $19.95
Unit of measure 50/Pack
Delivery by Wed, May 06
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LUX 7 1/2 x 10 1/2 Booklet Envelopes 50/Pack, 24lb. Bright White (12252-50)~#|#~sp14807339_sc7
Item: 24261328
Model: 12252-50
No reviews yet
Price is $17.79
Unit of measure 50/Pack
Delivery by Wed, May 06
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LUX #7 Coin Envelopes (3 1/2 x 6 1/2) 250/Pack, 24lb. Bright White (95083-250)~#|#~sp14807928_sc7
Item: 24260270
Model: 95083-250
Price is $37.99
Unit of measure 250/Pack
Free delivery by Wed, May 06
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JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 100/Pack (28415B)~#|#~m007049349_sc7JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 100/Pack (28415B)~#|#~m007049348_sc7
Item: 261318
Model: 28415B
Price is $55.99
Unit of measure 100/Box
Free delivery by Mon, May 04
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Magenta (EX4870-10-50)~#|#~m000081799_sc7
Item: 282473
Model: EX4870-10-50
No reviews yet
Price is $11.79
Unit of measure 50/Pack
Delivery by Wed, May 06
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JAM Paper 9 x 12 Booklet Envelopes, Black, 50/Pack (2112755i)~#|#~sp121512549_sc7JAM Paper 9 x 12 Booklet Envelopes, Black, 50/Pack (2112755i)~#|#~sp121512548_sc7
Item: 2478149
Model: 2112755I
No reviews yet
Price is $45.19
Unit of measure 50/Pack
Free delivery by Mon, May 04
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JAM Paper® 2 Pocket Plastic Envelope with Hook & Loop, Letter Booklet, 9.5 x 11.5, Clear, Sold Individually (B35218B)~#|#~m000068357_sc7
Item: 262823
Model: B35218B
Price is $8.09
Delivery by Mon, May 04
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JAM Paper A2 Parchment Invitation Envelopes, 4.375 x 5.75, Natural Recycled, Bulk 250/Box (34777H)~#|#~m007049410_sc7JAM Paper A2 Parchment Invitation Envelopes, 4.375 x 5.75, Natural Recycled, Bulk 250/Box (34777H)~#|#~m007049409_sc7
Item: 1589330
Model: 34777H
No reviews yet
Price is $78.99
Unit of measure 250/Box
Free delivery by Mon, May 04
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JAM Paper 7 x 10 Open End Catalog Envelopes, White, 50/Pack (1623194i)~#|#~sp111772491_sc7JAM Paper 7 x 10 Open End Catalog Envelopes, White, 50/Pack (1623194i)~#|#~sp111772490_sc7
Item: 24052391
Model: 1623194I
No reviews yet
Price is $16.29
Unit of measure 50/Pack
Delivery by Mon, May 04
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LUX Currency Envelopes (2 7/8 x 6 1/2) 50/Box, Gold Damask (CUR-98-50)~#|#~m000082203_sc7
Item: 282969
Model: CUR-98-50
Price is $20.59
Unit of measure 50/Pack
Delivery by Wed, May 06
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JAM Paper #10 Policy Business Envelopes, 4 1/8" x 9 1/2", Navy Blue, 25/Pack (LEBA317)~#|#~m003905148_sc7JAM Paper #10 Policy Business Envelopes, 4 1/8" x 9 1/2", Navy Blue, 25/Pack (LEBA317)~#|#~m003905147_sc7
Item: 261706
Model: LEBA317
Price is $14.89
Unit of measure 25/Pack
Delivery by Mon, May 04
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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 Mon, May 04
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LUX 80lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Peel & Press, Wisteria Purple, 250/BX~#|#~m000082193_sc7
LUX 80lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Peel & Press, Wisteria Purple, 250/BX is Out of stock
Item: 388681
Model: LUX-4895-106-25
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Price is $91.49
Unit of measure 250/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.