Sponsored Products
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JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Orange Recycled, 50/Pack (352627815I)~#|#~m003758026_sc7JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Orange Recycled, 50/Pack (352627815I)~#|#~m003750604_sc7
Item: 2329398
Model: 352627815I
No reviews yet
Price is $16.19
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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LUX 6 x 6 Square Envelopes 50/Pack, Pool (LUX-8525-102-50)~#|#~sp14807783_sc7
Item: 24260252
Model: LUX-8525-102-50
No reviews yet
Price is $12.69
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper 10" x 13" Booklet Translucent Vellum Envelopes, Clear, 10/Pack (900840420D)~#|#~m006965529_sc7JAM Paper 10" x 13" Booklet Translucent Vellum Envelopes, Clear, 10/Pack (900840420D)~#|#~m006965528_sc7
Item: 38309
Model: 900840420D
Price is $22.79
Unit of measure 10/Pack
Delivery by Fri, Feb 13
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JAM Paper Self Seal Business Envelope 8 1/2 x 8 1/2, 70lb, White, 500 Pack (10977-500)~#|#~sp226423814_sc7JAM Paper Self Seal Business Envelope 8 1/2 x 8 1/2, 70lb, White, 500 Pack (10977-500)~#|#~sp226423813_sc7
Item: 24578424
Model: 10977-500
No reviews yet
Price is $108.94
Unit of measure 500/Pack
Free delivery by Fri, Feb 13
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, Index Booklet, 5.5 x 7.5, Pink, 12/Pack (920B1PI)~#|#~m003551775_sc7
Item: 262989
Model: 920B1PI
Price is $26.19
Unit of measure 12/Pack Price per unit $2.18/Envelope
Delivery by Fri, Feb 13
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JAM Paper 5 x 6.125 Booklet Foil Envelopes with Self-Adhesive Closure, Gold, 25/Pack (1323266)~#|#~m000067464_sc7
Item: 260883
Model: 1323266
Price is $35.69
Unit of measure 25/Pack
Free delivery by Fri, Feb 13
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JAM Paper #3 Coin Business Colored Envelopes, 2.5 x 4.25, Red Recycled, 25/Pack (356730541)~#|#~m003757864_sc7JAM Paper #3 Coin Business Colored Envelopes, 2.5 x 4.25, Red Recycled, 25/Pack (356730541)~#|#~m003562843_sc7
Item: 2103489
Model: 356730541
No reviews yet
Price is $11.49
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Ultra Lime Green, 25/Pack (96151)~#|#~sp134498294_sc7JAM Paper A7 Colored Invitation Envelopes, 5.25 x 7.25, Ultra Lime Green, 25/Pack (96151)~#|#~sp134498437_sc7
Item: 263892
Model: 96151
Price is $11.49
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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LUX 10 x 15 Open End Envelopes 500/Pack, 28lb. Bright White (4162-500)~#|#~sp14807520_sc7
Item: 24261258
Model: 4162-500
No reviews yet
Price is $168.99
Unit of measure 500/Pack
Free delivery by Tue, Feb 17
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JAM Paper Currency Envelope, 3" x 6 11/16", White, 250/Box (216313691I)~#|#~sp137086240_sc7
Item: 2633147
Model: 216313691I
Price is $65.39
Unit of measure 250/Box
Free delivery by Fri, Feb 13
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JAM Paper 2Pay Translucent Vellum Envelopes, 2.5 x 4.25, Clear, 25/Pack (900767740)~#|#~sp73452845_sc7JAM Paper 2Pay Translucent Vellum Envelopes, 2.5 x 4.25, Clear, 25/Pack (900767740)~#|#~sp73452813_sc7
Item: 262109
Model: 900767740
No reviews yet
Price is $17.09
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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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 Fri, Feb 13
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JAM Paper 9 x 12 Open End Catalog Colored Envelopes, Orange Recycled, 100/Pack (80410)~#|#~m003904646_sc7JAM Paper 9 x 12 Open End Catalog Colored Envelopes, Orange Recycled, 100/Pack (80410)~#|#~m003904645_sc7
Item: 263935
Model: 80410
No reviews yet
Price is $59.79
Unit of measure 100/Box
Free delivery by Fri, Feb 13
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JAM Paper A7 Parchment Invitation Envelopes, 5.25 x 7.25, Natural Recycled, 50/Pack (35394I)~#|#~sp136742284_sc7JAM Paper A7 Parchment Invitation Envelopes, 5.25 x 7.25, Natural Recycled, 50/Pack (35394I)~#|#~sp136742279_sc7
Item: 1589230
Model: 35394I
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Purple, 12/Pack (218B1PU)~#|#~m004857998_sc7JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Purple, 12/Pack (218B1PU)~#|#~m004857832_sc7
Item: 235385
Model: 218B1PU
Price is $33.69
Unit of measure 12/Pack Price per unit $2.81/Envelope
Delivery by Fri, Feb 13
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LUX 28lbs. 11" x 17" Kraft Open End Flap Jumbo Envelopes, Brown Kraft, 500/BX~#|#~m000081444_sc7
Item: 385694
Model: 83478-500
No reviews yet
Price is $267.29
Unit of measure 500/Box
Free delivery by Tue, Feb 17
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Anthracite Metallic (5365-15-50)~#|#~m000081683_sc7
Item: 282345
Model: 5365-15-50
No reviews yet
Price is $16.89
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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LUX 5 1/2 x 5 1/2 Square Envelopes, 50/Box, White Linen (8515-WLI-50)~#|#~m000081505_sc7
Item: 282136
Model: 8515-WLI-50
No reviews yet
Price is $43.29
Unit of measure 50/Pack
Free delivery by Tue, Feb 17
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JAM Paper #11 Policy Business Strathmore Envelopes, 4.5 x 10.375, Natural White Wove, 50/Pack (900905923I)~#|#~sp121511961_sc7JAM Paper #11 Policy Business Strathmore Envelopes, 4.5 x 10.375, Natural White Wove, 50/Pack (900905923I)~#|#~sp121511960_sc7
Item: 1588649
Model: 900905923I
Price is $28.19
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Teal, 50/Pack (157463I)~#|#~m003904716_sc7JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Teal, 50/Pack (157463I)~#|#~m003904715_sc7
Item: 1588714
Model: 157463I
No reviews yet
Price is $32.29
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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Quality Park Survivor First Class Tyvek Self Seal Catalog Envelope, 10" x 13", White, 100/Carton (R4210)~#|#~F0D498F2-EB33-48DE-A7CD730F72E5162B_sc7Quality Park Survivor First Class Tyvek Self Seal Catalog Envelope, 10" x 13", White, 100/Carton (R4210)~#|#~EBA3A9BF-4599-4064-9B3642237A56F812_sc7
Item: 2623493
Model: QUAR4210
No reviews yet
Price is $268.99
Unit of measure 100/Carton
Free delivery by Wed, Feb 11
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JAM Paper Kraft A2 Invitation Envelopes, 4.375 x 5.75, Brown Kraft Paper Bag, 50/Pack (LEKR600I)~#|#~sp112110412_sc7JAM Paper Kraft A2 Invitation Envelopes, 4.375 x 5.75, Brown Kraft Paper Bag, 50/Pack (LEKR600I)~#|#~sp112110411_sc7
Item: 1589083
Model: LEKR600I
No reviews yet
Price is $24.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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LUX A6 Invitation Envelopes, 4.75" x 6.5", Natural Linen, 250/Box (4875-NLI-250)~#|#~m000161355_sc7
Item: 384781
Model: 4875-NLI-250
No reviews yet
Price is $65.09
Unit of measure 250/Box
Free delivery by Tue, Feb 17
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 50/Box, Mandarin (EX4875-11-50)~#|#~m000081929_sc7
Item: 282631
Model: EX4875-11-50
No reviews yet
Price is $18.39
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, 50/Pack (21515987i)~#|#~sp131391326_sc7JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, 50/Pack (21515987i)~#|#~sp131391325_sc7
JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, 50/Pack (21515987i) is Out of stock
Item: 2478170
Model: 21515987I
No reviews yet
Price is $49.89
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.