Sponsored Products
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JAM Paper A9 Foil Lined Invitation Envelopes, 5.75 x 8.75, White with Red Foil, 50/Pack (76798I)~#|#~m003904630_sc7JAM Paper A9 Foil Lined Invitation Envelopes, 5.75 x 8.75, White with Red Foil, 50/Pack (76798I)~#|#~m003904629_sc7
Item: 1588719
Model: 76798I
Price is $31.49
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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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 Fri, Dec 19
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JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Yellow Recycled, 25/Pack (356730557)~#|#~m003757860_sc7JAM Paper #6 Coin Business Colored Envelopes, 3.375 x 6, Yellow Recycled, 25/Pack (356730557)~#|#~m003562845_sc7
Item: 2103401
Model: 356730557
No reviews yet
Price is $16.39
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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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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JAM Paper A7 Metallic Invitation Envelopes, 5.25 x 7.25, Stardream Gold, 50/Pack (GCST708I)~#|#~m003905144_sc7JAM Paper A7 Metallic Invitation Envelopes, 5.25 x 7.25, Stardream Gold, 50/Pack (GCST708I)~#|#~m003905143_sc7
Item: 1589223
Model: GCST708I
No reviews yet
Price is $50.89
Unit of measure 50/Pack
Free delivery by Fri, Dec 19
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LUX A10 Invitation Envelopes (6 x 9 1/2) 250/Box, Holiday Red (67153-250)~#|#~m000161329_sc7
Item: 385623
Model: 67153-250
No reviews yet
Price is $104.99
Unit of measure 250/Box
Free delivery by Tue, Dec 23
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LUX A6 Foil Lined Invitation Envelopes (4 3/4 x 6 1/2) 50/Box, White w/Black LUX Lining (FLWH4875-02-50)~#|#~m000081966_sc7
Item: 282678
Model: FLWH4875-02-50
Price is $36.79
Unit of measure 50/Pack
Free delivery by Tue, Dec 23
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JAM Paper Open End Catalog Envelope, 9" x 12", Red, 100/Box (80329)~#|#~m002934030_sc7JAM Paper Open End Catalog Envelope, 9" x 12", Red, 100/Box (80329)~#|#~m002934029_sc7
Item: 261757
Model: 80329
Price is $59.79
Unit of measure 100/Box
Free delivery by Fri, Dec 19
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LUX 5 3/4" x 8 3/4" 80lbs. A9 Invitation Envelopes W/Peel & Press, Wisteria Purple, 50/Pack~#|#~m000082193_sc7
Item: 282959
Model: LUX-4895-106-50
No reviews yet
Price is $33.19
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Black Linen, 500/Pack (8510-BLI-500)~#|#~sp225303095_sc7JAM Paper Self Seal Invitation Envelopes, 5 1/4" x 5 1/4", Black Linen, 500/Pack (8510-BLI-500)~#|#~sp225303094_sc7
Item: 24578529
Model: 8510-BLI-500
No reviews yet
Price is $95.32
Unit of measure 500/Pack
Free delivery by Fri, Dec 19
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LUX 6" x 9" Open End Clasp Envelopes, Midnight Black, 100/Pack (87915-50)~#|#~42AE1419-DD74-49E4-BC409BD28F387D60_sc7
Item: 282275
Model: 87915-100
Price is $96.79
Unit of measure 100/Pack
Free delivery by Tue, Dec 23
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JAM Paper Strathmore Open End #10 Business Envelope, 4 1/8" x 9 1/2", Ivory Wove, 500/Pack (191165H)~#|#~sp132864530_sc7JAM Paper Strathmore Open End #10 Business Envelope, 4 1/8" x 9 1/2", Ivory Wove, 500/Pack (191165H)~#|#~sp132864529_sc7
Item: 1589693
Model: 191165H
No reviews yet
Price is $169.19
Unit of measure 500/Box
Free delivery by Fri, Dec 19
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LUX 9 x 12 Kraft Open End Envelopes 500/Pack, 24lb. Brown Kraft (8383-500)~#|#~sp14807490_sc7
Item: 24260723
Model: 8383-500
No reviews yet
Price is $63.39
Unit of measure 500/Pack
Free delivery by Tue, Dec 23
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Brown, 25/Pack (V01722)~#|#~sp137084310_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Brown, 25/Pack (V01722)~#|#~sp137084266_sc7
Item: 261870
Model: V01722
No reviews yet
Price is $18.69
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Spring Ochre Ivory, 25/Pack (1591612)~#|#~sp122682052_sc7JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Spring Ochre Ivory, 25/Pack (1591612)~#|#~sp122682048_sc7
Item: 262221
Model: 1591612
No reviews yet
Price is $29.59
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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LUX 9 x 12 Booklet Envelopes 500/Pack, Navy (LUX4899103500)~#|#~sp14807514_sc7
Item: 24260425
Model: LUX4899103500
No reviews yet
Price is $151.53
Unit of measure 500/Pack
Free delivery by Tue, Dec 23
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Sunflower (LUX-4872-12-50)~#|#~m000081877_sc7
Item: 282567
Model: LUX-4872-12-50
No reviews yet
Price is $24.39
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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LUX A8 Foil Lined Invitation Envelopes (5 1/2 x 8 1/8) 50/Box, White w/Gold LUX Lining (FLWH4885-04-50)~#|#~m000082134_sc7
Item: 282889
Model: FLWH4885-04-50
No reviews yet
Price is $45.89
Unit of measure 50/Pack
Free delivery by Tue, Dec 23
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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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JAM Paper #7 Coin Business Colored Envelopes, 3.5 x 6.5, Ultra Fuchsia Pink, 50/Pack (1526767I)~#|#~m003184166_sc7
Item: 2329339
Model: 1526767I
Price is $20.39
Unit of measure 50/Pack
Delivery by Fri, Dec 19
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Grocery Bag (4880-GB-50)~#|#~m005902295_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Grocery Bag (4880-GB-50)~#|#~m005823951_sc7
Item: 282771
Model: 4880-GB-50
Price is $20.89
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Baby Pink, 25/Pack (155698)~#|#~m000067693_sc7
Item: 261383
Model: 155698
No reviews yet
Price is $19.49
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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JAM Paper A10 Strathmore Invitation Envelopes, 6 x 9.5, Bright White Wove, 25/Pack (191220)~#|#~m007159183_sc7JAM Paper A10 Strathmore Invitation Envelopes, 6 x 9.5, Bright White Wove, 25/Pack (191220)~#|#~m007159182_sc7
Item: 262528
Model: 191220
No reviews yet
Price is $18.19
Unit of measure 25/Pack
Delivery by Fri, Dec 19
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 1000/Box, Natural Linen (4865-NLI-1000)~#|#~m000161369_sc7
Item: 384660
Model: 4865-NLI-1000
No reviews yet
Price is $161.39
Unit of measure 1000/Box
Free delivery by Tue, Dec 23
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LUX 80lb 4 1/8"x9 1/2" Open End #10 Envelopes W/Peel&Press, White, 250/BX~#|#~m000211244_sc7
Item: 515057
Model: 7716-WPC-250
No reviews yet
Price is $124.79
Free delivery by Tue, Dec 23
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Partners Brand Tyvek Self Seal #10 Catalog Envelope 9" x 12", White, 100/Carton (TYE09122WE)~#|#~186D4473-8E93-4AB9-9A092BADA077E365_sc7
Item: 947684
Model: TYE09122WE
Price is $236.59
Unit of measure 100/Carton
Free delivery by Fri, Dec 19
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LUX A7 Foil Lined Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, White w/Black LUX Lining (FLWH4880-02-50)~#|#~m000082097_sc7
Item: 282844
Model: FLWH4880-02-50
Price is $35.69
Unit of measure 50/Pack
Free delivery by Tue, Dec 23
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JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Red Recycled, Bulk 1000/Carton (356730632C)~#|#~sp121512405_sc7JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Red Recycled, Bulk 1000/Carton (356730632C)~#|#~sp121512404_sc7
Item: 2103491
Model: 356730632C
No reviews yet
Price is $252.09
Unit of measure 1000/Carton
Free delivery by Fri, Dec 19
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LUX A2 (4 3/8 x 5 3/4) 250/Box, White Linen (4870-WLI-250)~#|#~m000161359_sc7
Item: 384754
Model: 4870-WLI-250
Price is $46.59
Unit of measure 250/Box
Free delivery by Tue, Dec 23
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LUX Self Seal #5 1/2 Coin Envelopes, 3 1/8" x 5 1/2", Navy, 50/Pack (LUX512CO10350)~#|#~sp14807610_sc7
Item: 24260977
Model: LUX512CO10350
No reviews yet
Price is $18.49
Unit of measure 50/Pack
Delivery by Tue, Dec 23
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Midnight Black, 250/BX~#|#~m004940475_sc7LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Midnight Black, 250/BX~#|#~m005824009_sc7
Item: 387486
Model: F-4560-B-250
Price is $46.59
Unit of measure 250/Box
Free delivery by Tue, Dec 23
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Quality Park Clasp & Moistenable Glue Kraft Catalog Envelope, 10 1/2" x 7 1/2", Kraft, 100/Box (37775)~#|#~s0288241_sc7
Quality Park Clasp & Moistenable Glue Kraft Catalog Envelope, 10 1/2" x 7 1/2", Kraft, 100/Box (37775) is Out of stock
Item: 507821
Model: QUA37775
Unit of measure 100/Box
JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, 25/Pack (3156401)~#|#~m003904825_sc7JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, 25/Pack (3156401)~#|#~m003904824_sc7
JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, 25/Pack (3156401) is Out of stock
Item: 261254
Model: 3156401
No reviews yet
Price is $15.89
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.