Square Envelopes

JAM Paper A7 Metallic Invitation Envelopes, 5.25 x 7.25, Stardream Malachite Deep Green, 25/Pack (GCST703)~#|#~m000068030_sc7
Item: 262009
Model: GCST703
No reviews yet
Price is $28.39
Unit of measure 25/Pack
Delivery by Tue, Jul 21
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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 $22.39
Unit of measure 50/Pack
Delivery by Wed, Jul 22
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LUX 5 1/2 x 5 1/2 Square Envelopes, 500/Box, Seafoam (LUX-8515-113500)~#|#~m000081498_sc7
Item: 516895
Model: LUX-8515-113500
No reviews yet
Price is $153.69
Free delivery by Wed, Jul 22
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Midnight Black (F-4565-B-250)~#|#~m000081720_sc7
Item: 514109
Model: F-4565-B-250
No reviews yet
Price is $51.69
Free delivery by Wed, Jul 22
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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 Tue, Jul 21
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JAM Paper A2 Metallic Invitation Envelopes, 4.375 x 5.75, Stardream Copper, Bulk 1000/Carton (V018251B)~#|#~m003905245_sc7JAM Paper A2 Metallic Invitation Envelopes, 4.375 x 5.75, Stardream Copper, Bulk 1000/Carton (V018251B)~#|#~m003905244_sc7
Item: 262029
Model: V018251B
No reviews yet
Price is $677.99
Unit of measure 1000/Carton
Free delivery by Tue, Jul 21
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JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Primary Blue, Bulk 250/Box (PACV517H)~#|#~m003905176_sc7JAM Paper 6 x 6 Square Translucent Vellum Invitation Envelopes, Primary Blue, Bulk 250/Box (PACV517H)~#|#~m003905175_sc7
Item: 1589794
Model: PACV517H
No reviews yet
Price is $283.99
Unit of measure 250/Box
Free delivery by Tue, Jul 21
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JAM Paper A8 Colored Invitation Envelopes, 5.5 x 8.125, Red Recycled, Bulk 250/Box (27799H)~#|#~sp132864474_sc7JAM Paper A8 Colored Invitation Envelopes, 5.5 x 8.125, Red Recycled, Bulk 250/Box (27799H)~#|#~sp132864473_sc7
Item: 1589957
Model: 27799H
No reviews yet
Price is $82.99
Unit of measure 250/Box
Free delivery by Tue, Jul 21
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JAM Paper #10 Metallic Business Envelopes, 4.125 x 9.5, Stardream Gold, 25/Pack (SD5360 07)~#|#~m003905201_sc7JAM Paper #10 Metallic Business Envelopes, 4.125 x 9.5, Stardream Gold, 25/Pack (SD5360 07)~#|#~m003905200_sc7
Item: 261972
Model: SD5360 07
No reviews yet
Price is $25.49
Unit of measure 25/Pack
Delivery by Tue, Jul 21
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80 lb 5 3/4" x 5 3/4" Recycled Peel & Press Square Envelopes, White, 500/Box~#|#~m001149702_sc7
Item: 1028575
Model: 8520-WPC-500
No reviews yet
Price is $114.99
Free delivery by Wed, Jul 22
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JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Primary Yellow, 50/Pack (PACV506I)~#|#~m003905174_sc7JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Primary Yellow, 50/Pack (PACV506I)~#|#~m003905173_sc7
Item: 1588524
Model: PACV506I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Tue, Jul 21
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, White - 100% Recycled (4865-WPC-250)~#|#~m000161365_sc7
Item: 384691
Model: 4865-WPC-250
No reviews yet
Price is $33.89
Unit of measure 250/Box
Delivery by Wed, Jul 22
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JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Red, 50/Pack (31511323I)~#|#~m002934226_sc7JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Red, 50/Pack (31511323I)~#|#~m002934225_sc7
Item: 1588466
Model: 31511323I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Tue, Jul 21
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JAM Paper 8.5 x 8.5 Square Translucent Vellum Invitation Envelopes, Primary Red, 25/Pack (1592165)~#|#~m002934321_sc7JAM Paper 8.5 x 8.5 Square Translucent Vellum Invitation Envelopes, Primary Red, 25/Pack (1592165)~#|#~m002934320_sc7
Item: 262245
Model: 1592165
No reviews yet
Price is $33.99
Unit of measure 25/Pack
Delivery by Tue, Jul 21
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JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Dark Grey, 25/Pack (36396432)~#|#~m004671966_sc7JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Dark Grey, 25/Pack (36396432)~#|#~m004671965_sc7
Item: 261449
Model: 36396432
No reviews yet
Price is $14.29
Unit of measure 25/Pack
Delivery by Tue, Jul 21
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Wasabi (FE4270-22-50)~#|#~m000081838_sc7
Item: 282522
Model: FE4270-22-50
No reviews yet
Price is $13.69
Unit of measure 50/Pack
Delivery by Wed, Jul 22
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JAM Paper 5 x 6.125 Booklet Foil Envelopes with Self-Adhesive Closure, Blue with White Snowflakes, 100/Pack (01336166B)~#|#~m000141501_sc7
Item: 362915
Model: 01336166B
No reviews yet
Price is $108.99
Unit of measure 100/Pack
Free delivery by Tue, Jul 21
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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 $82.99
Free delivery by Wed, Jul 22
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LUX A7 Invitation Envelopes, 5-1/4" x 7-1/4", 250/Pack, Holiday Leaves on Ruby Red (LUX488018G250)~#|#~sp20150746_sc7
Item: 24294029
Model: LUX488018G250
Price is $51.89
Unit of measure 250/Pack
Free delivery by Wed, Jul 22
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LUX 6 x 6 Square Envelopes 250/Pack, Citrus (8525-20-250)~#|#~sp14807811_sc7
Item: 24260403
Model: 8525-20-250
No reviews yet
Price is $23.69
Unit of measure 250/Pack
Delivery by Wed, Jul 22
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LUX W-2 / 1099 Envelopes (5 3/4 x 8) 1000/Pack, White (7489-W2-1000)~#|#~sp5822112_sc7LUX W-2 / 1099 Envelopes (5 3/4 x 8) 1000/Pack, White (7489-W2-1000)~#|#~sp5875302_sc7
Item: 23995922
Model: 7489-W2-1000
No reviews yet
Price is $267.89
Unit of measure 1000/Pack
Free delivery by Wed, Jul 22
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Silver Metallic (5365-06-50)~#|#~m000081736_sc7
Item: 282400
Model: 5365-06-50
No reviews yet
Price is $18.99
Unit of measure 50/Pack
Delivery by Wed, Jul 22
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LUX 5 3/4" x 8 3/4" 80lbs. A9 Invitation Envelopes W/Peel & Press, Limelight Green, 50/Pack~#|#~m000082166_sc7
Item: 282928
Model: LUX-4895-101-50
Price is $18.59
Unit of measure 50/Pack
Delivery by Wed, Jul 22
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Quality Park Gummed Clasp Envelopes, 8 3/4" x 11 1/2", Brown, 100/Bx~#|#~s0171259_sc7
Quality Park Clasp & Moistenable Glue Kraft Catalog Envelopes, 8.75" x 11.5", Brown Kraft, 100/Box (QUA37787) is New at Staples
Item: QUA37787
Model: QUA37787
Price is $132.30
Unit of measure Box
Free delivery by Thu, Jul 23
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Silver Metallic (5365-06-250)~#|#~m000081736_sc7
Item: 385059
Model: 5365-06-250
No reviews yet
Price is $60.19
Unit of measure 250/Box
Free delivery by Wed, Jul 22
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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 $72.89
Unit of measure 500/Box
Free delivery by Wed, Jul 22
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LUX 6 1/2 x 6 1/2 Foil Lined Square Envelopes, 500/Box, White w/Silver LUX Lining (FLWH8535-03-500)~#|#~m000081600_sc7
Item: 513763
Model: FLWH8535-03-500
No reviews yet
Price is $124.99
Free delivery by Wed, Jul 22
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 500/Box, White - 100% Recycled (4872-WPC-500)~#|#~m000211234_sc7
Item: 516193
Model: 4872-WPC-500
Price is $95.49
Free delivery by Wed, Jul 22
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JAM Paper A2 Strathmore Invitation Envelopes, 4.375 x 5.75, Bright White Wove, Bulk 250/Box (191151H)~#|#~sp112110294_sc7JAM Paper A2 Strathmore Invitation Envelopes, 4.375 x 5.75, Bright White Wove, Bulk 250/Box (191151H)~#|#~sp112110293_sc7
Item: 1589305
Model: 191151H
No reviews yet
Price is $78.99
Unit of measure 250/Box
Free delivery by Tue, Jul 21
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JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, Bulk 250/Box (V01209H)~#|#~m003905209_sc7JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, Bulk 250/Box (V01209H)~#|#~m003905208_sc7
Item: 1589756
Model: V01209H
No reviews yet
Price is $236.99
Unit of measure 250/Box
Free delivery by Tue, Jul 21
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JAM Paper Square Envelopes, Peel & Press, Candy Pink, 6 1/4 x 6 1/4, 250 Pack (8530-23-250)~#|#~sp228873549_sc7
Item: 24578535
Model: 8530-23-250
No reviews yet
Price is $49.19
Unit of measure 250/Pack
Free delivery by Tue, Jul 21
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JAM Paper 5.5 x 5.5 Square Invitation Envelopes, Black Linen, Bulk 250/Box (V01210H)~#|#~m003905211_sc7JAM Paper 5.5 x 5.5 Square Invitation Envelopes, Black Linen, Bulk 250/Box (V01210H)~#|#~m003905210_sc7
Item: 1589755
Model: V01210H
No reviews yet
Price is $236.99
Unit of measure 250/Box
Free delivery by Tue, Jul 21
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JAM Paper 10 x 13 Open End Foil Envelopes with Self-Adhesive Closure, Green, 25/Pack (1327713)~#|#~m000067471_sc7
Item: 260925
Model: 1327713
No reviews yet
Price is $48.99
Unit of measure 25/Pack
Free delivery by Tue, Jul 21
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80 lb 6 1/4" x 6 1/4" Peel & Press Square Envelopes, Midnight Black, 50/Pack~#|#~m001149685_sc7
Item: 1030064
Model: LUX-8530-B-50
No reviews yet
Price is $21.99
Delivery by Wed, Jul 22
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JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 100/Pack (263916011c)~#|#~sp121512574_sc7JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 100/Pack (263916011c)~#|#~sp121512573_sc7
JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 100/Pack (263916011c) is Out of stock
Item: 2478161
Model: 263916011C
No reviews yet
Price is $76.89
Unit of measure 100/Pack
LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 250/Box, Baby Blue (LUX-1CO-13-250)~#|#~m001149693_sc7
LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 250/Box, Baby Blue (LUX-1CO-13-250) is Out of stock
Item: 1028534
Model: LUX-1CO-13-250
No reviews yet
Price is $38.79
JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Baby Blue, Bulk 1000/Carton (155699B)~#|#~m003904710_sc7JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Baby Blue, Bulk 1000/Carton (155699B)~#|#~m003904709_sc7
JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Baby Blue, Bulk 1000/Carton (155699B) is Out of stock
Item: 261373
Model: 155699B
No reviews yet
Price is $290.99
Unit of measure 1000/Carton
JAM Paper A6 Translucent Vellum Invitation Envelopes, 4.75 x 6.5, Clear, 25/Pack (13756)~#|#~sp123307992_sc7JAM Paper A6 Translucent Vellum Invitation Envelopes, 4.75 x 6.5, Clear, 25/Pack (13756)~#|#~sp123307991_sc7
JAM Paper A6 Translucent Vellum Invitation Envelopes, 4.75 x 6.5, Clear, 25/Pack (13756) is Out of stock
Item: 263974
Model: 13756
No reviews yet
Price is $20.49
Unit of measure 25/Pack
LUX 70lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Candy Pink, 1000/BX~#|#~m004940458_sc7LUX 70lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Candy Pink, 1000/BX~#|#~m005824001_sc7
LUX 70lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Candy Pink, 1000/BX is Out of stock
Item: 386322
Model: EX4860-14-1000
No reviews yet
Price is $169.69
Unit of measure 1000/Box

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Page 1 of 4
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.