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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 50/Box, Fairway Metallic (5375-25-50)~#|#~m000081909_sc7
Item: 282606
Model: 5375-25-50
No reviews yet
Price is $33.79
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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JAM Paper Cellophane Envelope with Peel & Seal Closure, 10 x 13, Clear, 100/Pack (10X13CELLO)~#|#~m000068422_sc7
Item: 262916
Model: 10X13CELLO
Price is $76.89
Unit of measure 100/Pack
Free delivery by Fri, Dec 19
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Fuchsia Pink, 50/Pack (15847I)~#|#~m003904529_sc7JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Fuchsia Pink, 50/Pack (15847I)~#|#~m003904528_sc7
Item: 1588564
Model: 15847I
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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LUX 4 1/4" x 6 1/4" A4 Photo, Invitation Envelopes W/Peel & Press, Natural/Gold LUX, 1000/BX~#|#~m005823921_sc7
Item: 388362
Model: FLNT4872-04-100
No reviews yet
Price is $161.19
Unit of measure 1000/Box
Free delivery by Tue, Dec 23
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LUX A8 Invitation Envelopes (5 1/2 x 8 1/8) 50/Pack, Gold Metallic (4885-07-50)~#|#~sp12274947_sc7LUX A8 Invitation Envelopes (5 1/2 x 8 1/8) 50/Pack, Gold Metallic (4885-07-50)~#|#~sp12275045_sc7
Item: 24161719
Model: 4885-07-50
No reviews yet
Price is $41.59
Unit of measure 50/Pack
Free delivery by Tue, Dec 23
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LUX 5 x 5 Square Envelopes, 50/Box, Pool (LUX-8505-102-50)~#|#~m000081532_sc7
Item: 282166
Model: LUX-8505-102-50
No reviews yet
Price is $14.95
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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LUX 80lbs. 5 3/4" x 8 3/4" A9 Envelopes, Holiday Green, 1000/BX~#|#~m000081752_sc7
Item: 385955
Model: 89129-1000
Price is $229.39
Unit of measure 1000/Box
Free delivery by Tue, Dec 23
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JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Yellow Recycled, 50/Pack (356730557i)~#|#~sp4211537_sc7JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Yellow Recycled, 50/Pack (356730557i)~#|#~sp4211536_sc7
Item: 2478022
Model: 356730557I
No reviews yet
Price is $19.39
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Natural, 25/Pack (900926651)~#|#~sp134498373_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Natural, 25/Pack (900926651)~#|#~sp134498372_sc7
Item: 261878
Model: 900926651
Price is $20.49
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 500/Box, Pool (LUX-1CO-102-500)~#|#~m001149698_sc7
Item: 1029983
Model: LUX-1CO-102-500
No reviews yet
Price is $106.69
Free delivery by Tue, Dec 23
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JAM Paper A6 Parchment Invitation Envelopes, 4.75 x 6.5, Natural Recycled, 25/Pack (34926)~#|#~sp137086009_sc7
Item: 263957
Model: 34926
No reviews yet
Price is $10.89
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Pool (LUX-4872-102-50)~#|#~m000081871_sc7
Item: 282560
Model: LUX-4872-102-50
No reviews yet
Price is $14.95
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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JAM Paper Cellophane Envelope with Peel & Seal Closure, 9.25 x 12.25, Clear, 100/Pack (9.25X12.25CELLO)~#|#~m000068422_sc7
Item: 262904
Model: 9.25X12.25CELLO
No reviews yet
Price is $95.99
Unit of measure 100/Pack
Free delivery by Fri, Dec 19
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Red, 50/Pack (31511321I)~#|#~m002934222_sc7JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Red, 50/Pack (31511321I)~#|#~m002934221_sc7
Item: 1588733
Model: 31511321I
No reviews yet
Price is $34.09
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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JAM Paper A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 500/Box (4023213D)~#|#~m002934506_sc7JAM Paper A9 Invitation Envelope, 5 3/4" x 8 3/4", White, 500/Box (4023213D)~#|#~m002934505_sc7
Item: 2103321
Model: 4023213D
Price is $127.49
Unit of measure 500/Box
Free delivery by Fri, Dec 19
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JAM Paper #6 Coin Business Envelopes, 3.375 x 6, White, Bulk 250/Box (1623184H)~#|#~sp115352133_sc7JAM Paper #6 Coin Business Envelopes, 3.375 x 6, White, Bulk 250/Box (1623184H)~#|#~sp115352132_sc7
Item: 1590090
Model: 1623184H
Price is $45.19
Unit of measure 250/Box
Free delivery by Fri, Dec 19
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LUX 9" x 12" Open End Clasp Envelopes, Midnight Black, 100/Pack~#|#~m000081654_sc7
Item: 282310
Model: 73854-100
No reviews yet
Price is $82.99
Unit of measure 100/Pack
Free delivery by Tue, Dec 23
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JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Yellow Recycled, 50/Pack (96326I)~#|#~m003904698_sc7JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Yellow Recycled, 50/Pack (96326I)~#|#~m003904697_sc7
Item: 1589524
Model: 96326I
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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Partners Tyvek Envelopes, 10" x 13", Yellow, 100/Case (TYC1013Y)~#|#~m004079058_sc7
Item: 2301045
Model: TYC1013Y
No reviews yet
Price is $223.29
Unit of measure 100/Carton
Free delivery by Fri, Dec 19
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LUX 6 x 6 Square Envelopes 50/Pack, 80lb. Bright White (8525-80W-50)~#|#~sp14807683_sc7
Item: 24260287
Model: 8525-80W-50
No reviews yet
Price is $16.59
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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LUX Slimline Invitation Envelopes (3 7/8 x 8 7/8) 50/Box, 70lb. Natural (72973-01-50)~#|#~m001149708_sc7
Item: 1030038
Model: 72973-01-50
No reviews yet
Price is $18.89
Delivery by Tue, Dec 23
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JAM Paper Self Seal Invitation Envelope, 4 x 4, Gray, 50 Pack (8504-22-50)~#|#~sp226423820_sc7JAM Paper Self Seal Invitation Envelope, 4 x 4, Gray, 50 Pack (8504-22-50)~#|#~sp226423819_sc7
Item: 24578472
Model: 8504-22-50
No reviews yet
Price is $16.29
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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JAM Paper Booklet Envelope, 9" x 12", Sunflower Yellow, 50/Pack (372317017I)~#|#~E110D27F-1375-4A44-A9D577E8A342E834_sc7
Item: 24557998
Model: 372317017I
No reviews yet
Price is $49.89
Unit of measure 50/Pack
Free delivery by Fri, Dec 19
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Partners Tyvek Self Seal Catalog Envelope 10" x 13", Silver, 100/Carton (TYC1013S)~#|#~5BA92B00-9829-43DA-AD88EC9947A4FEA6_sc7
Item: 2301084
Model: TYC1013S
Price is $280.49
Unit of measure 100/Carton
Free delivery by Fri, Dec 19
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LUX 4 1/8" x 9 1/2" #10 80lbs. Square Flap Envelopes W/Glue Closure, Azalea Metallic Pink~#|#~m004940424_sc7LUX 4 1/8" x 9 1/2" #10 80lbs. Square Flap Envelopes W/Glue Closure, Azalea Metallic Pink~#|#~m005823902_sc7
Item: 281916
Model: 5360-24-50
Price is $45.79
Unit of measure 50/Pack
Free delivery by Tue, Dec 23
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LUX #14 Open End Envelopes (5 x 11 1/2) 50/Box, 28lb. White (WS-5200-50)~#|#~m004063926_sc7
Item: 2146577
Model: WS-5200-50
No reviews yet
Price is $56.49
Unit of measure 50/Pack
Free delivery by Tue, Dec 23
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JAM Paper #10 Policy Business Strathmore Envelopes, 4.125 x 9.5, Natural White Wove, 25/Pack (191249)~#|#~m007063366_sc7JAM Paper #10 Policy Business Strathmore Envelopes, 4.125 x 9.5, Natural White Wove, 25/Pack (191249)~#|#~m007049471_sc7
Item: 262548
Model: 191249
Price is $14.89
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 50/Pack (28415I)~#|#~m007049349_sc7JAM Paper 5.5 x 5.5 Square Invitation Envelopes, White, 50/Pack (28415I)~#|#~m007049348_sc7
Item: 1588512
Model: 28415I
Price is $38.39
Unit of measure 50/Pack
Free delivery by Fri, Dec 19
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JAM Paper #3 Kraft Coin Business Envelopes, 2.5 x 4.25, Brown Kraft Manila, Bulk 1000/Carton (01623989B)~#|#~E1E49265-8CE9-4B3F-8FDBA38C45BA398A_sc7JAM Paper #3 Kraft Coin Business Envelopes, 2.5 x 4.25, Brown Kraft Manila, Bulk 1000/Carton (01623989B)~#|#~sp137084910_sc7
Item: 1227826
Model: 01623989B
No reviews yet
Price is $105.09
Unit of measure 1000/Carton
Free delivery by Fri, Dec 19
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LUX 8 3/4 x 11 1/4 Open End Envelopes 50/Pack, 24lb. Bright White (7450-50)~#|#~sp14807592_sc7
Item: 24260991
Model: 7450-50
Price is $27.59
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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LUX 28lbs. 11" x 17" Open End Flap Jumbo Envelopes, Bright White, 500/BX~#|#~m000161319_sc7
Item: 385905
Model: 85923-500
No reviews yet
Price is $290.69
Unit of measure 500/Box
Free delivery by Tue, Dec 23
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 50/Box, Baby Blue (EX4875-13-50)~#|#~m000081896_sc7
Item: 282588
Model: EX4875-13-50
No reviews yet
Price is $26.09
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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LUX 6 x 6 Square Envelopes 50/Pack, Holiday Red (8525-15-50)~#|#~sp14807945_sc7
Item: 24261037
Model: 8525-15-50
No reviews yet
Price is $14.29
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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JAM Paper 10 x 10 Large Square Invitation Envelopes, White, 25/Pack (3992319)~#|#~sp132863964_sc7JAM Paper 10 x 10 Large Square Invitation Envelopes, White, 25/Pack (3992319)~#|#~sp132863963_sc7
Item: 261308
Model: 3992319
No reviews yet
Price is $33.99
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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JAM Paper Tyvek Open End Open End Catalog Envelope, 11 1/2" x 14 1/2", Black, 10/Pack (V021386B)~#|#~sp132864605_sc7JAM Paper Tyvek Open End Open End Catalog Envelope, 11 1/2" x 14 1/2", Black, 10/Pack (V021386B)~#|#~sp132864604_sc7
JAM Paper Tyvek Open End Open End Catalog Envelope, 11 1/2" x 14 1/2", Black, 10/Pack (V021386B) is Out of stock
Item: 1912862
Model: V021386B
Price is $22.69
Unit of measure 10/Pack
JAM Paper Tear-Proof Open End Catalog Envelopes, 10" x 13", Red, 25/Pack (V021383)~#|#~m003905266_sc7JAM Paper Tear-Proof Open End Catalog Envelopes, 10" x 13", Red, 25/Pack (V021383)~#|#~m003905265_sc7
JAM Paper Tear-Proof Open End Catalog Envelopes, 10" x 13", Red, 25/Pack (V021383) is Out of stock
Item: 261824
Model: V021383
Price is $42.99
Unit of measure 25/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.