Sponsored Products
LUX 70lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Teal Blue, 250/BX~#|#~m000081761_sc7
Item # : 386287
Model # : EX-1870-18-1000
No reviews yet
LUX® Size A2 contour flap envelope in ruby red color measuring 4 3/8" x 5 3/4" is perfect for special occasions, announcements, events and more, sold as 1000 per box.
  • A2 Contour Flap - Ruby Red are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Ruby Red, 80lb. Text Paper
Price is $169.92
Unit of measure 1000/Box
Free delivery by Thu, Aug 07
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LUX 80lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Glue, Jupiter Metallic Red Red, 250/BX~#|#~m000082163_sc7
Item # : 385388
Model # : 5395-20-250
No reviews yet
LUX® A9 Envelope in jupiter metallic color of size 5 3/4" x 8 3/4" holds half folded sheet of paper for homemade card zealots and letter writers, sold as 250 per box.
  • A9 Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Jupiter Metallic, 80lb. Text Paper
Price is $153.19
Unit of measure 250/Box
Free delivery by Thu, Aug 07
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Garnet (EX4865-26-50)~#|#~m000081704_sc7
Item # : 282366
Model # : EX4865-26-50
No reviews yet
LUX® Size A1 envelope in garnet color measuring 3 5/8" x 5 1/8" is best suited for announcements, invitations, greeting cards, photos, notecards and is sold as 50 per pack.
  • A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Garnet, 80lb. Text Paper
Price is $16.89
Unit of measure 50/Pack
Delivery by Thu, Aug 07
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Garnet (EX4865-26-500)~#|#~m000081704_sc7
Item # : 386424
Model # : EX4865-26-500
No reviews yet
LUX® A1 Envelope in garnet color measuring 3 5/8" x 5 1/8" is used for sending flat, heavy materials or many small items like coins, catalogs and jumbo cards, sold as 500 per box.
  • A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Garnet, 80lb. Text Paper
Price is $95.89
Unit of measure 500/Box
Free delivery by Thu, Aug 07
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LUX 6 1/2 x 6 1/2 Square Envelopes, 250/Box, Garnet (EX8535-26-250)~#|#~m000081586_sc7
Item # : 387349
Model # : EX8535-18-250
No reviews yet
LUX 6 1/2 x 6 1/2 Square Envelopes are perfect for invitations, announcements, greeting cards and special occasions, square envelopes create a unique look!
  • 6 1/2 x 6 1/2 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
  • Comes in Ruby Red, 80lb. Text Paper
Price is $112.89
Unit of measure 250/Box
Free delivery by Thu, Aug 07
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Red, 25/Pack (31511321)~#|#~m002934222_sc7
JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Red, 25/Pack (31511321)~#|#~m002934221_sc7
Item # : 261403
Model # : 31511321
No reviews yet
JAM Paper® A9 Size dark red paper invitation envelope in a pack of 25 has dimension of 5 3/4" x 8 3/4" and is perfect for greeting cards, invitations or other announcements.
  • Size: A9 (5 3/4" x 8 3/4")
  • Closure: Gum
Price is $19.99
Unit of measure 25/Pack
Delivery by Mon, Aug 04
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LUX #7 Coin Envelopes (3 1/2 x 6 1/2) 250/Pack, Ruby Red (LUX-7CO-18-250)~#|#~sp14807795_sc7
Item # : 24261311
Model # : LUX-7CO-18-250
No reviews yet
LUX #7 Coin Envelopes (3 1/2 x 6 1/2) in Ruby Red are perfect for the HOLIDAYS, Weddings, Parties, Place Cards, small parts and more!
  • Dimensions: 3.5"L x 6.5"W
  • Comes in Ruby Red
Price is $51.99
Unit of measure 250/Pack
Free delivery by Thu, Aug 07
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LUX 6 1/2 x 6 1/2 Square Envelopes, 500/Box, Ruby Red (EX8535-18-500)~#|#~m000081586_sc7
Item # : 387354
Model # : EX8535-18-500
No reviews yet
LUX 6 1/2 x 6 1/2 Square Envelopes are perfect for invitations, announcements, greeting cards and special occasions, square envelopes create a unique look!
  • 6 1/2 x 6 1/2 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
  • Comes in Ruby Red, 80lb. Text Paper
Price is $175.82
Unit of measure 500/Box
Free delivery by Thu, Aug 07
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LUX A7 Pocket Invitations (5 x 7) 100/Pack, Ruby Red (EX10LEBA713PF10)~#|#~sp14807735_sc7
Item # : 24260802
Model # : EX10LEBA713PF10
No reviews yet
LUX A7 Pocket Invitations (5 x 7) in Ruby Red are perfect for holding elements of your invitation suite, such as RSVP Cards, Return Envelopes & are great for weddings and upscale events!
  • Dimensions: 5"L x 7"W
  • Comes in Ruby Red
Price is $90.19
Unit of measure 100/Pack
Free delivery by Thu, Aug 07
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LUX A7 Contour Flap Envelopes (5 1/4 x 7 1/4) 50/Box, Ruby Red (EX-1880-18-50)~#|#~m000081993_sc7
Item # : 282718
Model # : EX-1880-18-50
No reviews yet
LUX® Size A7 contour flap envelope in ruby red color measuring 5 1/4" x 7 1/4" with basis weight of 70 lbs features a smooth finish and is sold as 50 per pack.
  • A7 Contour Flap Envelopes (5 1/4 x 7 1/4) are perfect for party invites/thank you cards/wedding invites/announcements/5x7 photos
  • Comes in Ruby Red, 80lb. Text Paper
Price is $29.79
Unit of measure 50/Pack
Delivery by Thu, Aug 07
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LUX 70lbs. 5 3/4" x 8 3/4" A9 Invitation Envelopes W/Peel & Press, Ruby Red, 1000/BX~#|#~m000082178_sc7
Item # : 386792
Model # : EX4895-18-1000
No reviews yet
LUX® A9 Envelope in ruby red color measures 5 3/4" x 8 3/4" and is ideal for announcements, greeting cards, snapshots, notecards and is sold as 1000 per box.
  • A9 Invitation Envelopes (5 3/4 x 8 3/4) are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Ruby Red, 80lb. Text Paper
Price is $276.15
Unit of measure 1000/Box
Free delivery by Thu, Aug 07
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JAM Paper #9 Business Envelope, 3 7/8" x 8 7/8", Red, 100/Pack (1532900D)~#|#~1939509C-71F0-4478-8909659050AE3946_sc7
Item # : 24557992
Model # : 1532900D
  • Color: Red
  • Size: 3 7/8 x 8 7/8 inches
Price is $36.39
Unit of measure 100/Pack
Free delivery by Mon, Aug 04
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LUX Self Seal #5 1/2 Coin Envelopes, 3 1/8" x 5 1/2", Ruby Red, 500/Pack (LUX512CO18500)~#|#~sp14807659_sc7
Item # : 24260310
Model # : LUX512CO18500
No reviews yet
LUX #5 1/2 Coin Envelopes (3 1/8 x 5 1/2) in Ruby Red are perfect for the HOLIDAYS, Weddings, Parties, Place Cards, small parts and more!
  • Dimensions: 3.125"L x 5.5"W
  • Comes in Ruby Red
Price is $49.99
Unit of measure 500/Pack
Free delivery by Thu, Aug 07
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LUX 7 x 7 Square Envelopes, 50/Box, Ruby Red (LUX-8545-18-50)~#|#~m003307880_sc7
Item # : 1985257
Model # : LUX-8545-18-50
These vividly colored square envelopes are a perfect way grab attention, making them ideal announcements, special events, corporate dinners, invitations, holiday cards and more.
  • 7 x 7 Square Envelopes are perfect for announcements/weddings/greeting cards/invitations
  • Comes in Ruby Red, 80lb. Text Paper
Price is $44.49
Unit of measure 50/Box
Free delivery by Thu, Aug 07
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JAM Paper #10 Envelopes, 4 1/8" x 9 1/2", Red, 100/Pack (1531052d)~#|#~DDCA9D8C-B52E-474F-92E04BC1976FAD11_sc7
JAM Paper #10 Envelopes, 4 1/8" x 9 1/2", Red, 100/Pack (1531052d)~#|#~E1725619-E729-4928-8BB05918696CBBA6_sc7
Item # : 24604628
Model # : 1531052d
No reviews yet
  • Color: Red Business Envelopes with Window
  • Size: #10 Business Size (4.125 x 9.5 inches)
Price is $27.99
Unit of measure 100/Pack
Delivery by Mon, Aug 04
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LUX A4 Contour Flap Envelopes (4 1/4 x 6 1/4) 1000/Box, Ruby Red (EX-1872-18-1000)~#|#~m000081849_sc7
Item # : 386291
Model # : EX-1872-18-1000
No reviews yet
LUX® Size A4 contour flap envelope in ruby red color measuring 4 1/4" x 6 1/4" is perfect for special occasions, announcements, events and more, sold as 1000 per box.
  • A4 Contour Flap Envelopes (4 1/4 x 6 1/4) are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Ruby Red, 80lb. Text Paper
Price is $209.23
Unit of measure 1000/Box
Free delivery by Thu, Aug 07
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Jupiter Metallic (5380-20-50)~#|#~m005902315_sc7
LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Jupiter Metallic (5380-20-50)~#|#~m005823953_sc7
Item # : 282777
Model # : 5380-20-50
LUX® Size A7 envelope with glue in jupiter metallic color measuring 5 1/4" x 7 1/4" has basis weight of 80 lbs features a smooth finish and is sold as 50 per pack.
  • Jupiter metallic
  • Size: A7 (5 1/4" x 7 1/4")
Price is $24.95
Unit of measure 50/Pack
Delivery by Thu, Aug 07
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LUX 6 x 6 Square Envelopes 250/Pack, Holiday Red (8525-15-250)~#|#~sp14807945_sc7
Item # : 24261010
Model # : 8525-15-250
No reviews yet
LUX 6 x 6 Square Envelopes in Holiday Red are perfect for the Holidays, Invitations, Announcements, Sending Cards, and so much more!
  • Dimensions: 6"L x 6"W
  • Comes in Holiday Red
Price is $44.49
Unit of measure 250/Pack
Free delivery by Thu, Aug 07
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LUX A2 (4 3/8 x 5 3/4) 500/Box, Ruby Red (EX4870-18-500)~#|#~m000081820_sc7
Item # : 514410
Model # : EX4870-18-500
No reviews yet
LUX® Envelope in ruby red color measuring A2 (4 3/8" x 5 3/4") is best suited for letter writers while it is designed to hold quarter folded sheet of paper and is sold as 500 per box.
  • A2 (4 3/8 x 5 3/4) - Ruby Red are perfect for party invites/thank you cards/wedding invites/announcements
  • Comes in Ruby Red, 80lb. Text Paper
Price is $100.89
Free delivery by Thu, Aug 07
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JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Red, 50/Pack (25048I)~#|#~m002934135_sc7
JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Red, 50/Pack (25048I)~#|#~m002934134_sc7
Item # : 1588622
Model # : 25048I
No reviews yet
The JAM Paper #10 (4.13" x 9.5") recycled policy envelope makes a great option for sending out hand-written letters to your loved ones.
  • Product Type: Recycled Policy Envelope
  • Red recycled paper envelope
Price is $22.99
Unit of measure 50/Pack
Delivery by Mon, Aug 04
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Red, 50/Pack (67161I)~#|#~sp112110506_sc7
JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Red, 50/Pack (67161I)~#|#~sp112110505_sc7
Item # : 1588624
Model # : 67161I
The JAM Paper #10 (4.13" x 9.5") recycled envelope makes a great option for sending out hand-written letters to your loved ones.
  • Product Type: Recycled Business Envelope
  • Red recycled paper envelope
Price is $16.59
Unit of measure 50/Pack
Delivery by Mon, Aug 04
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JAM Paper Self Seal Catalog Envelope, 9" x 12", Red, 25/Pack (188447598)~#|#~FD45BAA7-0E4F-4B60-9817DBD80BE22D23_sc7
Item # : 24557913
Model # : 188447598
No reviews yet
  • Color: Red
  • Size: 9 x 12 inches
Price is $24.39
Unit of measure 25/Pack
Delivery by Mon, Aug 04
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JAM Paper Tear-Proof Tyvek Open End Catalog Envelopes, 11.5" x 14.5", Red, 25/Pack (V021388)~#|#~sp61031269_sc7
JAM Paper Tear-Proof Tyvek Open End Catalog Envelopes, 11.5" x 14.5", Red, 25/Pack (V021388)~#|#~sp61031267_sc7
Item # : 261829
Model # : V021388
No reviews yet
JAM Paper® Red envelopes of 11.5" x 14.5" in size is perfect for delivering top-secret documents, greeting cards, invitations or any other announcement and has a self-adhesive closure.
  • Size: 11 1/2" x 14 1/2"
  • Closure: Self adhesive strip
Price is $71.39
Unit of measure 25/Pack
Free delivery by Mon, Aug 04
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JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Red Recycled, 25/Pack (356730632)~#|#~sp121512417_sc7
JAM Paper #1 Coin Business Colored Envelopes, 2.25 x 3.5, Red Recycled, 25/Pack (356730632)~#|#~sp121512416_sc7
Item # : 2103507
Model # : 356730632
JAM Paper® #1 Coin Envelopes are great for change, receipts, and much more!
  • Red Coin Envelopes
  • Size: #1 Coin
Price is $10.09
Unit of measure 25/Pack
Delivery by Mon, Aug 04
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Trending now

Envelopes are endlessly useful office supplies because they help us mail letters, store documents or house exciting gifts for coworkers or loved ones. They come in many different colors, but if you want to personalize them, or point to an increased sense of urgency, consider using red envelopes.

These come in a variety of shapes and sizes, making them perfect for a wide range of personal and professional tasks.

What Sizes Do Red Envelopes Come In?

Red envelopes come in an assortment of sizes to suit all of your business and personal needs. Below are the most common options:

  • 6" x 9 1/2"
  • 6 1/2" x 6 1/2"
  • 5 1/4" x 7 1/4"
  • 4 3/8" x 5 3/4"
  • 4 3/4" x 6 1/2"
  • 4 1/8" x 9 1/2"

Additionally, red envelopes come in multipacks so you can be sure that you’ll always have one on hand. Packs range from 10 pieces, to bulk, enterprise-level amounts with 500 included. Ensure your red envelope is the right size to pair with your stationery, invitations or cards before purchase.

Red Envelopes Styles

Red envelopes come in a lot of designs, and not all styles can be sealed in the same way. Common seals and their descriptions are listed below.

Gum Closure Envelopes

Gum closure envelopes are perhaps the most common type. These have strips of glue on the flap. This glue or gum must be moistened in order to be properly sealed. This can be done with a finger pad or envelope moistener, or simply, by licking the flap.

Self Seal Envelopes

Self seal envelopes make it easy to send your mail on its way with a removable strip you can peel off of the flap. Then just press it down to close and you’re done - there’s no need to activate the glue manually.

Button and String

These decorative red envelopes require a bit more effort to close but are especially secure. Once you are ready to seal your mail, take the string on the outside and wrap it around the buttons on either side of the flap, ensuring that it is wrapped tightly.

Clasp Closure

These have a small hole on the flap and a metal clasp. To seal, pull the two ends of the clasp laying flat against the envelope straight up and poke them through the hole. Once they are through, push them outwards and return them to their original flat position to seal.

For an added element of personalization and security, you can further seal your envelopes with stickers and embellishments.

Can You Recycle a Red Envelope?

Yes, most are recyclable! In fact, Staples has a large selection of products that are Eco-ID qualified meaning they meet certain environmental standards. Many red envelopes are made from recycled materials, and can be recycled after use as long as local guidelines are followed. Be sure to check with your waste management authorities to confirm.