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JAM Paper A10 Translucent Vellum Invitation Envelopes, 6 x 9.5, Gold, 25/Pack (PACV867)~#|#~m003905199_sc7JAM Paper A10 Translucent Vellum Invitation Envelopes, 6 x 9.5, Gold, 25/Pack (PACV867)~#|#~m003905198_sc7
Item: 262252
Model: PACV867
No reviews yet
Price is $36.99
Unit of measure 25/Pack
Free delivery by Thu, Dec 18
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, #10 Business Booklet, 5.25 x 10, Black, 108/Pack (921B1BLB)~#|#~m005744815_sc7JAM Paper® Plastic Envelopes with Button and String Tie Closure, #10 Business Booklet, 5.25 x 10, Black, 108/Pack (921B1BLB)~#|#~m000067462_sc7
Item: 260881
Model: 921B1BLB
No reviews yet
Price is $211.79
Unit of measure 108/Box
Free delivery by Thu, Dec 18
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JAM Paper A8 Foil Lined Invitation Envelopes, 5.5 x 8.125, White with Red Foil, 50/Pack (3243657I)~#|#~m005223351_sc7JAM Paper A8 Foil Lined Invitation Envelopes, 5.5 x 8.125, White with Red Foil, 50/Pack (3243657I)~#|#~m005223350_sc7
Item: 1589168
Model: 3243657I
No reviews yet
Price is $24.29
Unit of measure 50/Pack
Delivery by Thu, Dec 18
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JAM Paper 9 x 12 Booklet Envelopes, Teal, 25/Pack (272316030)~#|#~m003904974_sc7JAM Paper 9 x 12 Booklet Envelopes, Teal, 25/Pack (272316030)~#|#~m003904973_sc7
Item: 362725
Model: 272316030
No reviews yet
Price is $26.09
Unit of measure 25/Pack
Delivery by Thu, Dec 18
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JAM Paper 6.5" x 6.5" Square Translucent Vellum Invitation Envelopes, Purple, 100/Pack (2812713B)~#|#~sp74308907_sc7JAM Paper 6.5" x 6.5" Square Translucent Vellum Invitation Envelopes, Purple, 100/Pack (2812713B)~#|#~sp74308931_sc7
Item: 38071
Model: 2812713B
No reviews yet
Price is $64.99
Unit of measure 100/Pack
Free delivery by Thu, Dec 18
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LUX 5 x 5 Square Envelopes, 50/Box, Black Linen (8505-BLI-50)~#|#~m000081520_sc7
Item: 282151
Model: 8505-BLI-50
No reviews yet
Price is $21.76
Unit of measure 50/Pack
Delivery by Mon, Dec 22
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 1000/Box, Natural - 100% Recycled (4880-NPC-1000)~#|#~m005902297_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 1000/Box, Natural - 100% Recycled (4880-NPC-1000)~#|#~m000082049_sc7
Item: 516137
Model: 4880-NPC-1000
No reviews yet
Price is $247.19
Free delivery by Mon, Dec 22
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JAM Paper 5.875 x 8.25 Invitation Envelopes, Blue, Bulk 1000/Carton (51512553)~#|#~sp20131976_sc7
Item: 24295248
Model: 51512553
No reviews yet
Price is $121.59
Unit of measure 1000/Pack
Free delivery by Thu, Dec 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Natural White - 100% Cotton (4865-SN-250)~#|#~m000161368_sc7
Item: 384671
Model: 4865-SN-250
No reviews yet
Price is $72.09
Unit of measure 250/Box
Free delivery by Mon, Dec 22
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JAM Paper 10 x 13 Open End Catalog Envelopes, Presidential Blue, 50/Pack (263919489i)~#|#~sp12489291_sc7JAM Paper 10 x 13 Open End Catalog Envelopes, Presidential Blue, 50/Pack (263919489i)~#|#~sp12489290_sc7
Item: 24175155
Model: 263919489I
No reviews yet
Price is $63.49
Unit of measure 50/Pack
Free delivery by Thu, Dec 18
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70 lb 5 3/4" x 5 3/4" Peel & Press Square Envelopes, Bright White, 50/Pack~#|#~m001149702_sc7
Item: 1030023
Model: 8520-70W-50
Price is $29.89
Delivery by Mon, Dec 22
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JAM Paper #10 Policy Metallic Envelopes, 4.125 x 9.5, Stardream Silver, Bulk 1000/Carton (900905922B)~#|#~m004672038_sc7JAM Paper #10 Policy Metallic Envelopes, 4.125 x 9.5, Stardream Silver, Bulk 1000/Carton (900905922B)~#|#~m004672037_sc7
Item: 262070
Model: 900905922B
No reviews yet
Price is $677.99
Unit of measure 1000/Carton
Free delivery by Thu, Dec 18
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LUX 70lb 7 1/4"x5 1/4" Square Flap Postage Saver Envelopes, Bright White, 1000/BX~#|#~m000081518_sc7LUX 70lb 7 1/4"x5 1/4" Square Flap Postage Saver Envelopes, Bright White, 1000/BX~#|#~43964C72-4044-4051-8F8454F3C85A2194_sc7
Item: 515383
Model: 55PS-W-1000
No reviews yet
Price is $189.69
Free delivery by Mon, Dec 22
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JAM Paper #6 Coin Business Envelopes, 3.375 x 6, Black, 25/Pack (356730564)~#|#~m003757876_sc7JAM Paper #6 Coin Business Envelopes, 3.375 x 6, Black, 25/Pack (356730564)~#|#~m003562856_sc7
Item: 2103402
Model: 356730564
No reviews yet
Price is $11.49
Unit of measure 25/Pack
Delivery by Thu, Dec 18
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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 Mon, Dec 22
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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 Mon, Dec 22
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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 Thu, Dec 18
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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 Mon, Dec 22
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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 Thu, Dec 18
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LUX 4 1/8" x 9 1/2" #10 80lbs. Square Flap Envelopes, Quartz Metallic, 50/Pack~#|#~E3C45768-EEBF-435E-BDBE73282E3B9323_sc7LUX 4 1/8" x 9 1/2" #10 80lbs. Square Flap Envelopes, Quartz Metallic, 50/Pack~#|#~C8FFC367-88FA-4BF1-BF994A897CFFE709_sc7
Item: 281930
Model: 5360-08-50
Price is $27.49
Unit of measure 50/Pack
Delivery by Mon, Dec 22
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LUX Square Flap Self Seal #10 Invitation Envelope, 4 1/2" x 9 1/2", Sunflower, 50/Pack (EX4860-12-50)~#|#~sp14807340_sc7
Item: 24261325
Model: EX4860-12-50
No reviews yet
Price is $22.69
Unit of measure 50/Pack
Delivery by Mon, Dec 22
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JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Sea Blue Recycled, 50/Pack (15903I)~#|#~sp129636672_sc7JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Sea Blue Recycled, 50/Pack (15903I)~#|#~sp129636727_sc7
Item: 1588927
Model: 15903I
No reviews yet
Price is $20.49
Unit of measure 50/Pack
Delivery by Thu, Dec 18
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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 Mon, Dec 22
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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 Mon, Dec 22
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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.