LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Box, Quartz Metallic (5380-08-500)~#|#~D6A287CC-BA0F-4680-901A3C145312BC7B_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Box, Quartz Metallic (5380-08-500)~#|#~47C4519D-D5C7-4D02-A9B34413E50FD165_sc7
Item: 515734
Model: 5380-08-500
No reviews yet
Price is $153.19
Free delivery by Tue, May 12
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LUX Square Envelopes, 8-1/2" x 8-1/2", Gold Metallic, 1,000ct (8575-07-1M)~#|#~m003307874_sc7
Item: 1985001
Model: 8575-07-1M
No reviews yet
Price is $356.29
Unit of measure 1000/Box
Free delivery by Tue, May 12
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Taupe Metallic (5365-M09-500)~#|#~m004063752_sc7
Item: 2146506
Model: 5365-M09-500
No reviews yet
Price is $112.59
Unit of measure 500/Pack
Free delivery by Tue, May 12
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JAM Paper A7 Metallic Invitation Envelopes, 5.25 x 7.25, Stardream Opal, Bulk 250/Box (GCST700H)~#|#~m002168963_sc7
Item: 1590148
Model: GCST700H
No reviews yet
Price is $189.99
Unit of measure 250/Box
Free delivery by Fri, May 08
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 500/Box, Anthracite Metallic (5375-15-500)~#|#~m000081893_sc7
Item: 385227
Model: 5375-15-500
No reviews yet
Price is $131.39
Unit of measure 500/Box
Free delivery by Tue, May 12
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JAM Paper A7 Colored Invitation Envelopes, 5 1/4" x 7 1/4", Violet Purple Recycled, Bulk 1000/Carton (80278B)~#|#~m003904638_sc7JAM Paper A7 Colored Invitation Envelopes, 5 1/4" x 7 1/4", Violet Purple Recycled, Bulk 1000/Carton (80278B)~#|#~m003904637_sc7
Item: 261119
Model: 80278B
No reviews yet
Price is $238.79
Unit of measure 1000/Carton
Free delivery by Fri, May 08
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 250/Box, Amethyst Metallic (5375-17-250)~#|#~m000081892_sc7
Item: 385231
Model: 5375-17-250
No reviews yet
Price is $90.09
Unit of measure 250/Box
Free delivery by Tue, May 12
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Quartz Metallic (5380-08-250)~#|#~E5BFE252-D3B2-4E0C-854CCC012DAACDD8_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Quartz Metallic (5380-08-250)~#|#~79036A3F-6454-4C5F-921E8EB462C779C0_sc7
Item: 515738
Model: 5380-08-250
Price is $98.49
Free delivery by Tue, May 12
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Staples Clasp & Moistenable Glue #10 Kraft Catalog Envelopes, 9"L x 12"H, Brown, 12/Pack (19004/594412)~#|#~34EFE56B-DFD2-4A72-895EEF2358F5A8F1_sc7Staples Clasp & Moistenable Glue #10 Kraft Catalog Envelopes, 9"L x 12"H, Brown, 12/Pack (19004/594412)~#|#~s1223347_sc7
Staples Clasp & Moistenable Glue #10 Kraft Catalog Envelopes, 9"L x 12"H, Brown, 12/Pack (19004/594412) is In-store only
Item: 594412
Model: ST19004-CC
Price is $6.19
Unit of measure 12/Pack Price per unit $0.52/Envelope
30-min pickup
Staples Reveal-N-Seal #9 Double Window Envelope, 3 7/8" x 8 7/8", White, 300/Box (20567-US)~#|#~8C5B5409-D632-44DC-A7B929480E7FCB5D_sc7Staples Reveal-N-Seal #9 Double Window Envelope, 3 7/8" x 8 7/8", White, 300/Box (20567-US)~#|#~F7E53EAA-528B-41A0-9AA55686007A5FD7_sc7
Staples Reveal-N-Seal #9 Double Window Envelope, 3 7/8" x 8 7/8", White, 300/Box (20567-US) is In-store only
Item: 902474
Model: 67529S
Price is $52.99
Unit of measure 300/Box
30-min pickup
Staples EasyClose Self Seal Catalog Envelopes, 9"W x 12"H, White, 12/Pack (50311)~#|#~515F6AC9-CDC1-41C1-9AA944667F3300F6_sc7Staples EasyClose Self Seal Catalog Envelopes, 9"W x 12"H, White, 12/Pack (50311)~#|#~6D9D0FB5-CC3F-4FE1-94FDA1D3FDFA226E_sc7
Staples EasyClose Self Seal Catalog Envelopes, 9"W x 12"H, White, 12/Pack (50311) is In-store only
Item: 594415
Model: 50311
Price is $5.59
Unit of measure 12/Pack
30-min pickup
Staples EasyClose Invitation Envelopes, 5.75" x 8.75", Ivory, 100/Box (473955/19195)~#|#~59D1893E-A35A-47DC-9DE7391A1DBCC900_sc7Staples EasyClose Invitation Envelopes, 5.75" x 8.75", Ivory, 100/Box (473955/19195)~#|#~42DA8266-258A-4AC9-B1F1D1C3D8046600_sc7
Staples EasyClose Invitation Envelopes, 5.75" x 8.75", Ivory, 100/Box (473955/19195) is In-store only
Item: 473955
Model: 473955
Price is $25.99
Unit of measure 100/Box
30-min pickup
Quality Park Tyvek Survivor Self Seal Catalog Envelopes, 12"L x 15.5"H, White, 100/Box (QUAR1790)~#|#~sp44490048_sc7Quality Park Tyvek Survivor Self Seal Catalog Envelopes, 12"L x 15.5"H, White, 100/Box (QUAR1790)~#|#~sp44490047_sc7
Item: 827880
Model: QUAR1790
Price is $224.59
Unit of measure 100/Box
Free delivery by Mon, May 04
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Adams Self Seal Security Tinted W-2 Tax Envelope, White, 25/Pack (1017141)~#|#~95168BA3-4477-4FCB-B2F565165E7B5D9C_sc7Adams Self Seal Security Tinted W-2 Tax Envelope, White, 25/Pack (1017141)~#|#~C510232C-478F-402E-897F35E26FC52AE6_sc7
Adams Self Seal Security Tinted W-2 Tax Envelope, White, 25/Pack (1017141) is In-store only
Item: 24639724
Model: 1017141
Price is $21.99
Unit of measure 25/Pack
30-min pickup
Staples EasyClose Invitation Envelopes, 5.75" x 8.75", Assorted Colors, 100/Box (394065/19192)~#|#~43F1B1B6-D702-4F10-A4D447A3FD692CA6_sc7Staples EasyClose Invitation Envelopes, 5.75" x 8.75", Assorted Colors, 100/Box (394065/19192)~#|#~DB8B804B-B86A-448F-ADFC38B8F3DC42E8_sc7
Staples EasyClose Invitation Envelopes, 5.75" x 8.75", Assorted Colors, 100/Box (394065/19192) is In-store only
Item: 394065
Model: 394065
Price is $26.99
Unit of measure 100/Box
30-min pickup
Quality Park Tyvek Flap-Stik Self Seal Catalog Envelope, 9 1/2" x 12 1/2", White, 100/Box (R1520)~#|#~s0293060_sc7Quality Park Tyvek Flap-Stik Self Seal Catalog Envelope, 9 1/2" x 12 1/2", White, 100/Box (R1520)~#|#~s0171513_sc7
Item: 701078
Model: QUAR1520
Price is $134.99
Unit of measure 100/Box
Free delivery by Tue, May 05
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Quality Park Gummed Kraft Catalog Envelope, 10" x 13", Kraft, 250/Box (41665)~#|#~s0171323_sc7
Item: 377337
Model: QUA41665
No reviews yet
Price is $73.19
Unit of measure 250/Box
Free delivery by Mon, May 04
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LUX Jumbo Kraft Open End Flap Envelopes, 13" x 17", Brown Kraft, 250/Box (85739-250)~#|#~DA58C01A-96CF-4CB9-85FDBC09945C04E4_sc7
Item: 385899
Model: 85739-250
No reviews yet
Price is $137.69
Unit of measure 250/Box
Free delivery by Tue, May 12
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JAM Paper Peel & Seal Closure, Coin Envelopes, Brown Kraft Manila, 2.5" x 4.25", 100/Box (400238460D)~#|#~F111D8B7-EADB-4277-BBB2BF88E1A78981_sc7
Item: 24557955
Model: 400238460D
No reviews yet
Price is $14.89
Unit of measure 100/Pack
Delivery by Fri, May 08
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Adams Self Seal Security Tinted 1099 2-Up Tax Envelope, White, 25/Pack (1017140)~#|#~734DF036-2F71-4754-814AE69675A68071_sc7Adams Self Seal Security Tinted 1099 2-Up Tax Envelope, White, 25/Pack (1017140)~#|#~0A08188E-0AE9-486B-A916133621FC00AE_sc7
Adams Self Seal Security Tinted 1099 2-Up Tax Envelope, White, 25/Pack (1017140) is In-store only
Item: 24639723
Model: 1017140
Price is $21.99
Unit of measure 25/Pack
30-min pickup
Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142)~#|#~FB94F56A-45CF-4984-847A65400A7A8E61_sc7Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142)~#|#~0D8F3F35-8E3A-4909-B88B83C8AFF3B982_sc7
Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142) is In-store only
Item: 24639725
Model: 1017142
Price is $21.99
Unit of measure 25/Pack
30-min pickup
LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Natural Linen (4880-NLI-250)~#|#~m005902296_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Natural Linen (4880-NLI-250)~#|#~m000082051_sc7
Item: 516139
Model: 4880-NLI-250
No reviews yet
Price is $58.49
Free delivery by Tue, May 12
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LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, Garnet (EX8515-26-250)~#|#~m000081481_sc7
LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, Garnet (EX8515-26-250) is Out of stock
Item: 387274
Model: EX8515-26-250
No reviews yet
Price is $91.19
Unit of measure 250/Box
JAM Paper 4Bar A1 Parchment Invitation Envelopes, 3.625 x 5.125, Antique Gold Recycled, Bulk 1000/Carton (90090522B)~#|#~m004671992_sc7JAM Paper 4Bar A1 Parchment Invitation Envelopes, 3.625 x 5.125, Antique Gold Recycled, Bulk 1000/Carton (90090522B)~#|#~m004671991_sc7
JAM Paper 4Bar A1 Parchment Invitation Envelopes, 3.625 x 5.125, Antique Gold Recycled, Bulk 1000/Carton (90090522B) is Out of stock
Item: 261888
Model: 90090522B
No reviews yet
Price is $227.99
Unit of measure 1000/Carton
JAM Paper 8.5 x 8.5 Square Translucent Vellum Invitation Envelopes, Spring Ochre Ivory, 25/Pack (PACV530)~#|#~sp122682011_sc7JAM Paper 8.5 x 8.5 Square Translucent Vellum Invitation Envelopes, Spring Ochre Ivory, 25/Pack (PACV530)~#|#~sp122682119_sc7
JAM Paper 8.5 x 8.5 Square Translucent Vellum Invitation Envelopes, Spring Ochre Ivory, 25/Pack (PACV530) is Out of stock
Item: 262231
Model: PACV530
No reviews yet
Price is $33.99
Unit of measure 25/Pack
JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, Bulk 1000/Carton (3156401B)~#|#~m003904825_sc7JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, Bulk 1000/Carton (3156401B)~#|#~m003904824_sc7
JAM Paper #12 Policy Business Colored Envelopes, 4.75 x 11, Blue Recycled, Bulk 1000/Carton (3156401B) is Out of stock
Item: 261267
Model: 3156401B
No reviews yet
Price is $407.99
Unit of measure 1000/Carton
JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Wisteria Purple, 25/Pack (1591610)~#|#~m006948412_sc7JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Wisteria Purple, 25/Pack (1591610)~#|#~m006948411_sc7
JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Wisteria Purple, 25/Pack (1591610) is Out of stock
Item: 262282
Model: 1591610
No reviews yet
Price is $21.99
Unit of measure 25/Pack
LUX 6 x 9 Open End Envelopes, Gold Metallic, 1000/Box (1644-07-1000)~#|#~379E86B0-6A76-44C7-98807FBF2F8A619C_sc7
LUX 6 x 9 Open End Envelopes, Gold Metallic, 1000/Box (1644-07-1000) is Out of stock
Item: 1028645
Model: 1644-07-1000
No reviews yet
Price is $301.49
LUX 9 x 12 Booklet Envelopes 50/Pack, Baby Blue (EX4899-13-50)~#|#~sp14807519_sc7
LUX 9 x 12 Booklet Envelopes 50/Pack, Baby Blue (EX4899-13-50) is Out of stock
Item: 24260583
Model: EX4899-13-50
No reviews yet
Price is $29.99
Unit of measure 50/Pack
JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, 25/Pack (V018321)~#|#~m000068003_sc7
JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, 25/Pack (V018321) is Out of stock
Item: 261978
Model: V018321
No reviews yet
Price is $65.49
Unit of measure 25/Pack
JAM Paper A6 Metallic Invitation Envelopes, 4.75 x 6.5, Stardream Malachite Deep Green, Bulk 1000/Carton (GCST653B)~#|#~m000068029_sc7
JAM Paper A6 Metallic Invitation Envelopes, 4.75 x 6.5, Stardream Malachite Deep Green, Bulk 1000/Carton (GCST653B) is Out of stock
Item: 262086
Model: GCST653B
No reviews yet
Price is $677.99
Unit of measure 1000/Carton
LUX A2 (4 3/8 x 5 3/4) 250/Box, Azalea Metallic (5370-24-250)~#|#~m000081766_sc7
LUX A2 (4 3/8 x 5 3/4) 250/Box, Azalea Metallic (5370-24-250) is Out of stock
Item: 385177
Model: 5370-24-250
No reviews yet
Price is $59.39
Unit of measure 250/Box
JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Primary Red, 50/Pack (1591618I)~#|#~m002934307_sc7JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Primary Red, 50/Pack (1591618I)~#|#~m002934306_sc7
JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Primary Red, 50/Pack (1591618I) is Out of stock
Item: 1588802
Model: 1591618I
No reviews yet
Price is $39.99
Unit of measure 50/Pack
LUX Self Seal #10 Business Envelope 4 1/8" x 9 1/2", Magenta, 50/Pack (EX4860-10-50)~#|#~sp14807459_sc7
LUX Self Seal #10 Business Envelope 4 1/8" x 9 1/2", Magenta, 50/Pack (EX4860-10-50) is Out of stock
Item: 24260628
Model: EX4860-10-50
No reviews yet
Price is $19.99
Unit of measure 50/Pack
Staples EasyClose #9 Business Envelopes, 3 7/8" x 8 7/8", White, 500/Box (570235N)~#|#~s1223618_sc7Staples EasyClose #9 Business Envelopes, 3 7/8" x 8 7/8", White, 500/Box (570235N)~#|#~s1223622_sc7
Staples EasyClose #9 Business Envelopes, 3 7/8" x 8 7/8", White, 500/Box (570235N) is Out of stock
Item: 570235
Model: ST570235N-CC
Price is $34.99
Unit of measure 500/Box Price per unit $0.07/Envelope
Quality Park Clasp Kraft Catalog Envelope, 9 1/2" x 12 1/2", Brown, 100/Box (37893)~#|#~s0171274_sc7Quality Park Clasp Kraft Catalog Envelope, 9 1/2" x 12 1/2", Brown, 100/Box (37893)~#|#~s0375273_sc7
Quality Park Clasp Kraft Catalog Envelope, 9 1/2" x 12 1/2", Brown, 100/Box (37893) is Out of stock
Item: 813455
Model: QUA37893
Price is $36.89
Unit of measure 100/Box
LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Navy w/Silver LUX Lining (FLNV4872-03-50)~#|#~m004940482_sc7LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Navy w/Silver LUX Lining (FLNV4872-03-50)~#|#~m005823924_sc7
LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Navy w/Silver LUX Lining (FLNV4872-03-50) is Out of stock
Item: 282559
Model: FLNV4872-03-50
No reviews yet
Price is $27.79
Unit of measure 50/Pack
JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Aqua, 50/Pack (21520986I)~#|#~m002934469_sc7JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Aqua, 50/Pack (21520986I)~#|#~m003904907_sc7
JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Aqua, 50/Pack (21520986I) is Out of stock
Item: 1588687
Model: 21520986I
No reviews yet
Price is $22.99
Unit of measure 50/Pack
Quality Park Clasp & Moistenable Glue Kraft Catalog Envelope, 12" x 15 1/2", Kraft, 100/Box (37810)~#|#~s0288241_sc7
Quality Park Clasp & Moistenable Glue Kraft Catalog Envelope, 12" x 15 1/2", Kraft, 100/Box (37810) is Out of stock
Item: 510664
Model: QUA37810
Price is $90.09
Unit of measure 100/Box Price per unit $0.90/Envelope
Medical Arts Press Double Window Gummed Envelopes, 3-7/8" x 8-7/8", Security Tint, 500/Box~#|#~m002401312_sc7
Medical Arts Press Double Window Gummed Envelopes, 3-7/8" x 8-7/8", Security Tint, 500/Box is Out of stock
Item: 541592
Model: 32082
Price is $39.79
Unit of measure 500/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.