Square Envelopes
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Envelope Type
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Envelope Number
Envelope Material
Item # : 24261304
Model # : LUX-7CO-101-50
LUX #7 Coin Envelopes (3 1/2 x 6 1/2) in Limelight are perfect for the HOLIDAYS, Weddings, Parties, Place Cards, small parts and more!
- Dimensions: 3.5"L x 6.5"W
- Comes in Limelight
Price is $20.59
Unit of measure 50/Pack
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Item # : 1277760
Model # : LUX-1590-11-250
LUX 9" x 12" Mandarin Open End Window Envelopes - Envelopes with a small window to position the address through it
- 9 x 12 Open End Window Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures
- Comes in Mandarin, 80lb. Text Paper
Price is $197.09
Unit of measure 250/Box
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Item # : 24216252
Model # : 4590-07-50
LUX A10 Invitation Envelopes (6 x 9 1/2) are perfect for Invitations, Greeting Cards, Thank You Cards, Announcements and so much more!
- Dimensions: 6 x 9 1/2
- Comes in Gold Metallic
Price is $29.49
Unit of measure 50/Pack
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Item # : 1984833
Model # : A7FFW-GB-50
LUX 70lb. Grocery Bag A7 Full Face Window Envelopes are perfect for mailing letters, photos, greeting cards and more!
- A7 Full Face Window Envelopes are perfect for mailing letters/photos/greeting cards/invitations
- Comes in Grocery Bag, 70lb. Text Paper
Price is $43.09
Unit of measure 50/Box
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Item # : 282542
Model # : FLBK4872-03-50
Lux® Size A4 envelope in black with silver lux lining has a basis weight of 80 lbs & is perfect for offering the perfect fit for 4" x 6" photos & measures 4 1/4" x 6 1/4", is sold as 50 per pack.
- A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in Black w/Silver LUX Lining, 80lb. Text Paper
Price is $35.89
Unit of measure 50/Pack
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Item # : 262546
Model # : 191223
JAM Paper® A10 size strathmore natural white wove envelope in a pack of 25 is perfect for greeting cards, invitations or any other announcements and is made from 30% recycled paper.
- Paper weight: 32 lbs.
- Strathmore wove & laid envelopes are 25% cotton
Price is $11.49
Unit of measure 25/Pack
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Item # : 282969
Model # : CUR-98-50
LUX Currency Envelopes (2 7/8 x 6 1/2) are the perfect gift envelope for all occasions, holidays, birthdays, graduations, company bonuses and more!
- Currency Envelopes (2 7/8 x 6 1/2) are perfect for the gift of cash for all occasions/holidays/birthdays/graduations/company/bonuses
- Comes in Gold Damask, 70lb. White Text Paper
Price is $20.09
Unit of measure 50/Pack
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Item # : 282548
Model # : 4872-R-50
Lux® A4 envelope in holiday red color with a basis weight of 60 lbs measures 4 1/4" x 6 1/4" and is perfect for offering the perfect fit for 4" x 6" photos, is sold as 50 per pack.
- A4 Invitation Envelopes (4 1/4 x 6 1/4) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in Holiday Red, 60lb. Text Paper
Price is $22.79
Unit of measure 50/Pack
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Item # : 24260992
Model # : 4820-GK-50
LUX 6 x 9 Booklet Envelopes in 28lb. Gray Kraft are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
- Dimensions: 6"L x 9"W
- Comes in 28lb. Gray Kraft
Price is $15.29
Unit of measure 50/Pack
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Item # : 823272
Model # : QUA37875
Replenish the office supply with a bulk dispenser. Keeping a large quantity in stock makes it easy for every employee to access the envelopes as needed.
- Reinforced clasps plus deep gumming
- Rugged Kraft envelopes feature reinforced clasps plus deep gumming on flaps for a secure seal
Price is $36.29
Unit of measure 100/Box
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Item # : 384587
Model # : 4860-NPC-1000
LUX 80lb. Natural - 100% Recycled #10 Square Flap Envelopes (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.
- #10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail
- Comes in Natural - 100% Recycled, 80lb. Text Paper
Price is $179.79
Unit of measure 1000/Box
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Item # : 262216
Model # : PACV527
JAM Paper® 6 1/2" x 6 1/2" Primary blue translucent envelope in a pack of 25 has a see-through attribute which serves as a creative invitation or announcement detail and is made from quality vellum paper.
- Size: 6 1/2" x 6 1/2"
- Closure: Gum
Price is $30.99
Unit of measure 25/Pack
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Item # : 24260824
Model # : 8505-80W-50
LUX 5 x 5 Square Envelopes in 80lb. Bright White are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 5"L x 5"W
- Comes in 80lb. Bright White
Price is $16.59
Unit of measure 50/Pack
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Item # : 1589083
Model # : LEKR600I
The JAM Paper A2 brown recycled envelope comes with an apt color and finish to make it perfect for your party invitations and greeting cards.
- Brown recycled envelope
- Blank interior for personalized message
Price is $23.89
Unit of measure 50/Pack
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Item # : 1588752
Model # : 900849930I
The JAM Paper A10 ivory wove strathmore envelope is great to use for announcements and different kind of invitations.
- Ivory wove strathmore envelope
- Blank interior for personalized message
Price is $30.49
Unit of measure 50/Pack
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Item # : 282599
Model # : FE4275-20-50
LUX® Size A6 square flap envelope with smooth finish in citrus color measuring 4 3/4" x 6 1/2" is versatile and spacious to hold multitude cards or photos, is sold as 50 per pack.
- A6 Invitation Envelopes (4 3/4 x 6 1/2) are perfect to use for sending invitations/greeting cards/RSVP's/thank you cards/gifts for birthdays/graduations/holidays
- Comes in Citrus, 80lb. Text Paper
Price is $18.29
Unit of measure 50/Pack
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Item # : 261229
Model # : 15860
JAM Paper® Size #10 Brite hue orange recycled paper envelope in a pack of 25 has dimension of 4 1/8" x 9 1/2" and is perfect for greeting cards, invitations or other announcements.
- Orange
- Size: #10 (4 1/8" x 9 1/2")
Price is $10.09
Unit of measure 25/Pack
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Item # : 2146105
Model # : WS-4894-ST-50
LUX 9 x 12 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!
- 9 x 12 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures
- Comes in 28lb. White w/ Security Tint, 28lb. Text Paper
Price is $71.49
Unit of measure 50/Pack
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Item # : 24261244
Model # : 8515-06-50
LUX 5 1/2 x 5 1/2 Square Envelopes in Silver Metallic are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 5.5"L x 5.5"W
- Comes in Silver Metallic
Price is $22.29
Unit of measure 50/Pack
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Item # : 24260390
Model # : 4865-WPC-50
LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) in White - 100% Recycled are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
- Dimensions: 3.625"L x 5.125"W
- Comes in White - 100% Recycled
Price is $14.29
Unit of measure 50/Pack
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Item # : 261997
Model # : 85818
JAM Paper® Silver stardream metallic envelopes in a pack of 25 is perfect for greeting cards, invitations or any other announcement and measures 9" x 10" in size.
- Silver
- Size: 9" x 12"
Price is $63.89
Unit of measure 25/Pack
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Item # : 282783
Model # : SH4280-05-50
LUX® Size A7 envelope in lilac color measuring 5 1/4" x 7 1/4" has basis weight of 80 lbs, features a vellum finish and is sold as 50 per pack.
- A7 Invitation Envelopes (5 1/4 x 7 1/4) are perfect for party invites/thank you cards/wedding invites/announcements/5x7 photos
- Comes in Lilac, 80lb. Text Paper
Price is $27.19
Unit of measure 50/Pack
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Item # : 2633096
Model # : 4101C
JAM Paper open end envelopes are great for keeping and sending important papers and documents.
- Made from smooth 24lb paper, includes gummed flap closure
- Perfect for business mailing, storage, and organizing documents
Price is $33.09
Unit of measure 100/Pack
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This item will be discontinued soon. A suggested replacement is available.
See what our experts suggest
Item # : 282168
Model # : LUX-8505-104-50
LUX 5 x 5 Square Envelopes are perfect for invitations, announcements, greeting cards and special occasions, square envelopes create a unique look!
- 5 x 5 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
- Comes in Vintage Plum, 80lb. Text Paper
Price is $17.49
Unit of measure 50/Pack
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Item # : 24293988
Model # : 8193-TAX-50
LUX 9" x 12" Open End Tax Envelopes in 24lb. Bright White- Tax are perfect for Tax Return Documents, Catalogs, Annual Reports, Brochures, Magazines, Invitations and so much more!
- Dimensions: 9 in. x 12 in.
- Comes in 24lb. Bright White - Tax
Price is $50.69
Unit of measure 50/Pack
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Item # : 23996805
Model # : WS-7605-50
LUX Offering Envelopes (3 1/8 x 6 1/4) are perfect for fundraising, money collection, church offerings and charity donations.
- Comes in White
- Dimensions: 3.125"L x 6.25"W
Price is $20.69
Unit of measure 50/Pack
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Item # : 802220
Model # : QUA43511
Quality Parkâ„¢ 9" x 12" Redi-Sealâ„¢ Envelope is manufactured from 100 percent recycled, chlorine-free Kraft paper that gives classic and textured look.
- 9" x 12"
- Redi-Seal requires no moisture to seal - simply raise lower flag and press to close
Price is $24.59
Unit of measure 100/Box
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Item # : 366717
Model # : 1623202
JAM Paper Open end envelope measuring 12" x 15 1/2" is perfectly sized for business correspondence, comes in white color and is sold as 25 per pack.
- Gummed closure with straight flap
- Perfect for greeting cards, invitations, weddings or any announcement
Price is $20.29
Unit of measure 25/Pack
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This item will be discontinued soon. A suggested replacement is available.
See what our experts suggest
Item # : 515434
Model # : 20743-500
5 1/2"x8 1/8" bright white A8 invitation envelopes is a multipurpose envelope, ideal for social and announcement functions sold as 500/box.
- A8 Invitation Envelopes (5 1/2 x 8 1/8) are perfect for party invites/thank you cards/wedding invites/announcements
- Comes in 70lb. Bright White, 70lb. Text Paper
Price is $108.29
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Item # : 1588564
Model # : 15847I
The JAM Paper #10 (4.13" x 9.5") brite hue recycled envelope is a rather stylish option meant for carrying out official communication.
- Product Type: Business Envelope
- Ultra fuchsia paper envelope
Price is $19.99
Unit of measure 50/Pack
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Trending now
13% off of Staples QuickStrip EasyClose Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50312-CC)
Price is $24.99, Regular price was $28.79, You save 13%
Unit of measure 500/Box Price per unit $0.05/Envelope
Next-Day Delivery by tomorrow
1-hr pickup
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15% off of Glad 13 Gallon Trash Bag, 8.5"x8.5", Low Density, .72 mil, White, 100 Bags/Box (CLO 78526)
Price is $16.39, Regular price was $19.39, You save 15%
Unit of measure 100/Box Price per unit $0.16/bag
Next-Day Delivery by tomorrow
1-hr pickup
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13% off of Staples Notepads, 8.5" x 11.75", Wide Ruled, White, 50 Sheets/Pad, Dozen (ST57339M/57339)
Price is $16.99, Regular price was $19.59, You save 13%
Unit of measure Dozen Price per unit $1.42/Pad
Next-Day Delivery by tomorrow
1-hr pickup
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13% off of Staples QuickStrip EasyClose Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50308-CC)
Price is $7.99, Regular price was $9.29, You save 13%
Unit of measure 100/Box Price per unit $0.08/Envelope
Next-Day Delivery by tomorrow
1-hr pickup
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11% off of Staples 30% Recycled File Folders, 1/3-Cut Tab, Letter Size, Manila, 250/Box (ST56673-CC)
Price is $27.99, Regular price was $31.69, You save 11%
Unit of measure 250/Box Price per unit $0.11/File Folder
Next-Day Delivery by tomorrow
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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.
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.