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JAM Paper #10 Policy Business Envelopes, 4 1/8" x 9 1/2", Presidential Blue, 25/Pack (263912999)~#|#~sp137085032_sc7
Item: 261135
Model: 263912999
Price is $14.89
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Navy Blue, Bulk 1000/Carton (LEBA667B)~#|#~m003905156_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Navy Blue, Bulk 1000/Carton (LEBA667B)~#|#~m003905155_sc7
Item: 261722
Model: LEBA667B
No reviews yet
Price is $317.59
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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80 lb 6 1/4" x 6 1/4" Peel & Press Square Linen Envelopes, Black, 50/Pack~#|#~m001149685_sc7
Item: 1030051
Model: 8530-BLI-50
Price is $36.99
Free delivery by Wed, Feb 18
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LUX 7 1/2 x 7 1/2 Square Envelopes, 50/Box, Silver Metallic (8555-06-50)~#|#~m004063768_sc7
Item: 2146110
Model: 8555-06-50
No reviews yet
Price is $31.99
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Natural Linen (4865-NLI-500)~#|#~m000161369_sc7
Item: 515429
Model: 4865-NLI-500
Price is $80.89
Free delivery by Wed, Feb 18
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LUX Self Seal Booklet Envelope, 5 1/2" x 8 1/2", Bright White, 250/Pack (49420-250)~#|#~sp14807389_sc7
Item: 24260808
Model: 49420-250
Price is $53.19
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Wisteria Purple, 50/Pack (PACV514I)~#|#~m006948422_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Wisteria Purple, 50/Pack (PACV514I)~#|#~m006948421_sc7
Item: 1588458
Model: PACV514I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Colored Invitation Envelopes, Red Recycled, 50/Pack (2792270I)~#|#~m002934117_sc7JAM Paper 6 x 6 Square Colored Invitation Envelopes, Red Recycled, 50/Pack (2792270I)~#|#~m002934116_sc7
Item: 1588520
Model: 2792270I
No reviews yet
Price is $49.89
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper Self Seal #6 Coin Business Envelopes, 3 3/8" x 6", White, 100/Pack (356838557D)~#|#~F9F300F1-98E3-4764-AFF472BE2E7466A0_sc7
Item: 24557989
Model: 356838557D
No reviews yet
Price is $29.49
Unit of measure 100/Pack
Delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Black Linen (4865-BLI-50)~#|#~m000081688_sc7
Item: 282350
Model: 4865-BLI-50
No reviews yet
Price is $22.69
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 5 1/2 x 5 1/2 Square Envelopes, 500/Box, Holiday Green (8515-12-500)~#|#~m000081475_sc7
Item: 385716
Model: 8515-12-500
No reviews yet
Price is $76.49
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 500/Box, Vintage Plum (LUX-4872-104500)~#|#~m000081880_sc7
Item: 517539
Model: LUX-4872-104500
No reviews yet
Price is $110.89
Free delivery by Wed, Feb 18
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LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, 70lb. Bright White (10902-250)~#|#~m000081469_sc7
Item: 383912
Model: 10902-250
No reviews yet
Price is $96.89
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 250/Box, White Linen (8535-WLI-250)
Item: 385876
Model: 8535-WLI-250
No reviews yet
Price is $91.49
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Violet Purple, 1000/Carton (15864B)~#|#~sp112110499_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Violet Purple, 1000/Carton (15864B)~#|#~sp112110498_sc7
Item: 263890
Model: 15864B
Price is $267.19
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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JAM Paper 8.5 x 8.5 Square Metallic Invitation Envelopes, Stardream Silver, 25/Pack (V018318)~#|#~m004672495_sc7JAM Paper 8.5 x 8.5 Square Metallic Invitation Envelopes, Stardream Silver, 25/Pack (V018318)~#|#~m004672494_sc7
Item: 261998
Model: V018318
No reviews yet
Price is $49.99
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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LUX Self Seal Nonstandard Invitation Envelope, 6 1/4" x 6 1/4", Midnight Black, Each (LUX-8530-B-250)~#|#~m001149685_sc7
Item: 1028513
Model: LUX-8530-B-250
No reviews yet
Price is $96.13
Free delivery by Wed, Feb 18
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Navy Blue, 50/Pack (LEBA667I)~#|#~m003905156_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Navy Blue, 50/Pack (LEBA667I)~#|#~m003905155_sc7
Item: 1589188
Model: LEBA667I
Price is $24.69
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Dark Green, 50/Pack (21514959I)~#|#~A674BC30-B71C-46BF-9F820C4A9D1CB744_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Dark Green, 50/Pack (21514959I)~#|#~7B341DCC-3850-41A6-9A3D4193869C758E_sc7
Item: 2633062
Model: 21514959I
No reviews yet
Price is $29.99
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX 80lb 6"x9 1/2" Square Flap Envelopes W/Peel&Press, Bright White, 250/BX~#|#~m000211248_sc7
Item: 513954
Model: FE4590-05-250
Price is $113.79
Free delivery by Wed, Feb 18
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JAM Paper A8 Colored Invitation Envelopes, 5.5 x 8.125, Red Recycled, 25/Pack (27799)~#|#~m002934129_sc7JAM Paper A8 Colored Invitation Envelopes, 5.5 x 8.125, Red Recycled, 25/Pack (27799)~#|#~m002934128_sc7
Item: 263859
Model: 27799
Price is $13.89
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX 5 1/2 x 5 1/2 Square Envelopes, 500/Box, Natural - 100% Recycled (8515-NPC-500)~#|#~m000081490_sc7
Item: 514809
Model: 8515-NPC-500
No reviews yet
Price is $110.89
Free delivery by Wed, Feb 18
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JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Dark Purple, 50/Pack (563912508I)~#|#~m003904995_sc7JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Dark Purple, 50/Pack (563912508I)~#|#~m003904994_sc7
Item: 1589093
Model: 563912508I
Price is $24.49
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Ultra Lime Green, Bulk 1000/Carton (155438B)~#|#~m003904706_sc7JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Ultra Lime Green, Bulk 1000/Carton (155438B)~#|#~m003904705_sc7
Item: 261163
Model: 155438B
No reviews yet
Price is $227.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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JAM Paper A2 Colored Invitation Envelopes, 4.375 x 5.75, Ultra Lime Green, 25/Pack (WDBH610)~#|#~m003905272_sc7JAM Paper A2 Colored Invitation Envelopes, 4.375 x 5.75, Ultra Lime Green, 25/Pack (WDBH610)~#|#~m003905271_sc7
Item: 261154
Model: WDBH610
No reviews yet
Price is $11.49
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 500/Box (31820D)~#|#~m003904578_sc7JAM Paper A6 Invitation Envelope, 4 3/4" x 6 1/2", White, 500/Box (31820D)~#|#~m003904577_sc7
Item: 2103324
Model: 31820D
No reviews yet
Price is $89.49
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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JAM Paper Self Seal Business Envelope, 4 1/8 x 9 1/2, Blush Pink, 250 Pack (4860-114-250)~#|#~sp226423804_sc7JAM Paper Self Seal Business Envelope, 4 1/8 x 9 1/2, Blush Pink, 250 Pack (4860-114-250)~#|#~sp226423803_sc7
Item: 24578397
Model: 4860-114-250
No reviews yet
Price is $49.59
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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LUX 70lbs. 4 1/8" x 9 1/2" #10 Open End Envelopes, Avocado Green, 1000/BX~#|#~m000081265_sc7
Item: 386990
Model: EX7716-27-1000
No reviews yet
Price is $389.09
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Pastel Green, 500/Pack (WS-7613-500)~#|#~41862E85-BA2C-4361-9EEA5815D0DAF7FF_sc7LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Pastel Green, 500/Pack (WS-7613-500)~#|#~FF998892-607A-47ED-8F88458F4846E6A0_sc7
Item: 23996727
Model: WS-7613-500
No reviews yet
Price is $84.69
Unit of measure 500/Pack
Free delivery by Wed, Feb 18
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JAM Paper A10 Translucent Vellum Invitation Envelopes, 6 x 9.5, Clear, 50/Pack (31284I)~#|#~m002168469_sc7JAM Paper A10 Translucent Vellum Invitation Envelopes, 6 x 9.5, Clear, 50/Pack (31284I)~#|#~m002168468_sc7
Item: 1588885
Model: 31284I
No reviews yet
Price is $47.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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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 Mon, Feb 16
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LUX A2 (4 3/8 x 5 3/4) 250/Box, Grocery Bag (4870-GB-250)~#|#~m000081789_sc7
Item: 384699
Model: 4870-GB-250
Price is $51.99
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 9 x 12 Open End Catalog Envelopes, Aqua Blue, 25/Pack (31287530)~#|#~sp61031353_sc7JAM Paper 9 x 12 Open End Catalog Envelopes, Aqua Blue, 25/Pack (31287530)~#|#~sp61031274_sc7
Item: 361974
Model: 31287530
No reviews yet
Price is $34.09
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 9 x 12 Booklet Envelopes, Black, 100/Pack (2112755c)~#|#~sp121512562_sc7JAM Paper 9 x 12 Booklet Envelopes, Black, 100/Pack (2112755c)~#|#~sp121512561_sc7
Item: 2478152
Model: 2112755C
No reviews yet
Price is $104.49
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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JAM Paper A10 Strathmore Invitation Envelopes, 6 x 9.5, Natural White Linen, 25/Pack (900789414)~#|#~m007159215_sc7JAM Paper A10 Strathmore Invitation Envelopes, 6 x 9.5, Natural White Linen, 25/Pack (900789414)~#|#~m007159214_sc7
JAM Paper A10 Strathmore Invitation Envelopes, 6 x 9.5, Natural White Linen, 25/Pack (900789414) is Out of stock
Item: 262514
Model: 900789414
Price is $13.49
Unit of measure 25/Pack
JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, 50/Pack (3156401I)~#|#~m003904825_sc7JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, 50/Pack (3156401I)~#|#~m003904824_sc7
JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, 50/Pack (3156401I) is Out of stock
Item: 1588537
Model: 3156401I
No reviews yet
Price is $28.19
Unit of measure 50/Pack
JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323291B)~#|#~m000067488_sc7
JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323291B) is Out of stock
Item: 260964
Model: 01323291B
No reviews yet
Price is $164.59
Unit of measure 100/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.