Sponsored Products
Staples QuickStrip EasyClose Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50308-CC)~#|#~04BF5D88-0DCB-4C46-8A97D67F61C726B8_sc7
Staples QuickStrip EasyClose Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50308-CC)~#|#~F7FF46B5-6BB8-466E-99786E7BF515AACC_sc7
Item # : 394057
Model # : ST50308-CC
Keep third parties from reading sensitive information by using this 100-pack of Staples easy-close #10 security-tint envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from white 24 lb. paper for durability
Price is $10.29
Unit of measure 100/Box Price per unit $0.10/Envelope
Delivery by Wed, Jun 11
1-hr pickup
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Staples #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50301-CC)~#|#~FB3B930A-0912-433C-8C98F4CBCC197392_sc7
Staples #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50301-CC)~#|#~10537A48-505B-4914-BBD96AEB2E3575E9_sc7
Item # : 187013
Model # : ST50301-CC
Prepare documents for mailing with these Staples white #10 gummed envelopes.
  • PACKAGING MAY VARY, SAME GREAT PRODUCT.
  • US #10 business envelopes are suitable for many mailing projects
Price is $20.49
Unit of measure 500/Box Price per unit $0.04/Envelope
Delivery by Wed, Jun 11
1-hr pickup
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Staples Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50302-CC)~#|#~DA5D596D-5974-4D63-A0CB649D25EA95D4_sc7
Staples Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50302-CC)~#|#~8A08070E-2CC5-4140-95320C7211E7CD89_sc7
14% off of Staples Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST50302-CC)
Item # : 200519
Model # : ST50302-CC
Staples gummed security tint #10 4-1/8 x 9-1/2-inch white envelopes boast a plain white design, making it easy to customize each envelope with mailing labels.
  • PACKAGING MAY VARY, SAME GREAT PRODUCT.
  • US #10 business envelopes are suitable for many mailing projects
Price is $22.99, Regular price was $26.89, You save 14%
Unit of measure 500/Box Price per unit $0.05/Envelope
Delivery by Wed, Jun 11
1-hr pickup
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LUX Self Seal Security Tinted #10 Business Envelope, 4 1/2" x 9 1/2", White, 50/Pack (45146-50)~#|#~sp14807428_sc7
Item # : 24261186
Model # : 45146-50
LUX #10 Regular Envelopes (4 1/8 x 9 1/2) in White w/Security Tint are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
  • Dimensions: 4.125"L x 9.5"W
  • Comes in White w/Security Tint
Price is $16.69
Unit of measure 50/Pack
Delivery by Thu, Jun 19
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Mead Security Tinted #10 Business Envelopes, 4-1/8" x 9-1/2", White, 40/Pack (75214)~#|#~sp130849571_sc7
Mead Security Tinted #10 Business Envelopes, 4-1/8" x 9-1/2", White, 40/Pack (75214)~#|#~sp130849569_sc7
Mead Security Tinted #10 Business Envelopes, 4-1/8" x 9-1/2", White, 40/Pack (75214) is Clearance
47% off of Mead Security Tinted #10 Business Envelopes, 4-1/8" x 9-1/2", White, 40/Pack (75214)
Item # : 300053
Model # : 75214
  • 4 1/8" x 9 1/2"
  • White paper envelopes
Price is $1.66, Regular price was $3.15, You save 47%
Unit of measure 40/Pack
Delivery by Wed, Jun 11
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Mead Press It Seal It #10 Security Envelopes, 4 1/8" x 9 1/2", White, 45/Pack (MEA75026)~#|#~m007116469_sc7
Item # : 2696277
Model # : 75026
  • Security Envelope. All purpose for home and office
  • White. Made from sheets of paper. Paper weight 20lbs
Price is $6.09
Unit of measure 45/Pack
Delivery by Wed, Jun 11
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Staples EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (50306)~#|#~s1223617_sc7
Staples EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (50306)~#|#~s1223598_sc7
Item # : 381912
Model # : ST50306-CC
Help papers stay clean and safe while in transit with this 500-pack of Staples EasyClose 4-1/8 x 9-1/2-inch white #10 envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from white 24 lb. paper for durability
Price is $31.39
Unit of measure 500/Box Price per unit $0.06/Envelope
Delivery by Wed, Jun 11
1-hr pickup
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Staples Self Seal Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST511289-CC)~#|#~C1DE4A05-5BF1-4CB6-AF706FC6A1C4D67B_sc7
Staples Self Seal Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST511289-CC)~#|#~73F89DCA-30B6-46FA-B098CD35CE9CBEC8_sc7
15% off of Staples Self Seal Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST511289-CC)
Item # : 511289
Model # : ST511289-CC
Easily handle large business mailings with this box of 500 Staples 4.125 x 9.5-inch white self-sealing security-tint envelopes.
  • US #10 business envelopes are suitable for all your mailing needs
  • Made from white 24 lb. paper for durability
Price is $24.99, Regular price was $29.49, You save 15%
Unit of measure 500/Box Price per unit $0.05/Envelope
Delivery by Wed, Jun 11
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Staples Premium Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (19264VP)~#|#~E65CF8B4-3BE9-446A-BF728FF671907089_sc7
Staples Premium Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (19264VP)~#|#~F348EB53-3B4F-481F-A4AD4778B99026D6_sc7
Item # : 321554
Model # : ST19264VP-CC
Send invitations, notices and other correspondence with this 500-pack of Staples premium white diagonal-seam gummed #10 envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from white 24 lb. wove paper for durability
Price is $26.99
Unit of measure 500/Box Price per unit $0.05/Envelope
Delivery by Wed, Jun 11
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Quality Park Flap-Stik V-Flap Security Tinted #10 Business Envelope, 4 1/2" x 9 1/2", White, 500/Box (90030)~#|#~s0462616_sc7
Item # : 831281
Model # : QUA90030
No reviews yet
  • 24 lb. white wove; super white 84 brightness
  • 4 1/8" x 9 1/2"
Price is $47.49
Unit of measure 500/Box
Free delivery by Wed, Jun 11
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Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50307-CC)~#|#~888BE6B1-31CD-47C0-A8C1657439776121_sc7
Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50307-CC)~#|#~DDE921C8-55FF-44C0-B2C5590B29C8AE44_sc7
Item # : 394053
Model # : ST50307-CC
Make sealing envelopes less of a chore with this 100-pack of Staples EasyClose #10 envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from white 24 lb. paper for durability
Price is $7.59
Unit of measure 100/Box Price per unit $0.08/Envelope
Delivery by Wed, Jun 11
1-hr pickup
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LUX #10 Regular Envelopes (4 1/8 x 9 1/2) 50/Pack, Pastel Green (65896-50)~#|#~A226610A-D3C5-457D-9410B00C8E1245FD_sc7
LUX #10 Regular Envelopes (4 1/8 x 9 1/2) 50/Pack, Pastel Green (65896-50)~#|#~D5892A2B-5A35-4AA1-9227B5AF59B13B83_sc7
Item # : 24260638
Model # : 65896-50
No reviews yet
LUX #10 Regular Envelopes (4 1/8 x 9 1/2) in Pastel Green are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
  • Dimensions: 4.125"L x 9.5"W
  • Comes in Pastel Green
Price is $42.89
Unit of measure 50/Pack
Free delivery by Thu, Jun 19
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Violet Purple, 50/Pack (15864I)~#|#~sp112110499_sc7
JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Violet Purple, 50/Pack (15864I)~#|#~sp112110498_sc7
Item # : 1590445
Model # : 15864I
The JAM Paper #10 (4.13" x 9.5") recycled envelope makes a great option for distributing official materials, sending mails or filing important papers.
  • Product Type: Recycled Business Envelope
  • Violet recycled paper envelope
Price is $19.99
Unit of measure 50/Pack
Delivery by Mon, Jun 16
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Mead Self Seal #10 Business Envelope 4 1/8" x 9 1/2", White, 50/Pack (75024)~#|#~BE447AF8-7086-425C-BD8A2CBB0ECB5441_sc7
Item # : 24239449
Model # : 75024
  • #10 size envelopes measure 4 1/8" x 9 1/2" for mailing standard letter size documents
  • Mead Press-It Seal-It® envelopes feature a self-adhesive seal
Price is $6.09
Unit of measure 50/Pack
Delivery by Wed, Jun 11
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Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Assorted Colors, 50/Pack (ST23431-CC)~#|#~5C561CBB-1963-4D64-A85EEA57A8AF559B_sc7
Staples QuickStrip EasyClose Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Assorted Colors, 50/Pack (ST23431-CC)~#|#~F7756BA6-CC51-48E2-AF9D153F6450886B_sc7
Item # : 122725
Model # : ST23431-CC
Help your mailings stand out with these Staples EasyClose neon Brights assorted color #10 envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • The assortment of colors allows you to color-code or simply add some color to mailings
Price is $11.19
Unit of measure 50/Pack
Delivery by Wed, Jun 11
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JAM Paper #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 50/Pack (3984I)~#|#~sp111772303_sc7
JAM Paper #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 50/Pack (3984I)~#|#~sp111772302_sc7
Item # : 24295335
Model # : 3984I
Jam Paper's Colorful Envelopes are a fun and colorful way to make your message stand out.
  • Color: Brown Kraft Envelopes
  • Size: #10 (4 1/8 x 9 1/2) inches
Price is $13.99
Unit of measure 50/Pack
Delivery by Mon, Jun 16
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Staples Tear-Resistant EasyClose Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (21573)~#|#~9D61BF36-F926-4189-B751F8BE3F66B083_sc7
Staples Tear-Resistant EasyClose Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (21573)~#|#~B2C81072-7CD5-46C7-9F58781765042EC9_sc7
Item # : 329841
Model # : ST21573-CC
Enjoy the convenience of easy-sealing envelopes by using these Staples white tear-resistant privacy-tinted #10 business envelopes.
  • US #10 business envelopes are suitable for all your mailing needs
  • Made from white 25 lb. paper for durability
Price is $27.09
Unit of measure 100/Box Price per unit $0.27/Envelope
Delivery by Wed, Jun 11
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Quality Park Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (QUA69122)~#|#~sp40322443_sc7
Quality Park Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (QUA69122)~#|#~sp40322442_sc7
Item # : 813442
Model # : QUA69122
Protect mail from moisture, punctures, and other damage with this box of 500 Quality Park Redi-Strip white security-tinted #10 business envelopes.
  • US #10 Redi-Strip business envelopes are suitable for many mailing projects
  • Made from white wove 24 lb. paper for durability
Price is $86.09
Unit of measure 500/Box Price per unit $0.17/Envelope
Free delivery by Wed, Jun 11
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Staples Premium Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", Ivory, 500/Box (918211/19420)~#|#~517B8DD0-01E3-41A2-BAA178C02B46F29A_sc7
Staples Premium Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", Ivory, 500/Box (918211/19420)~#|#~F3E31A83-0C8D-4000-AD7AB8B4723E8F6D_sc7
Item # : 918211
Model # : ST918211-CC
Add a distinguished appearance to your mail when using this 500-pack of Staples premium 4-1/8 x 9-1/2-inch #10 ivory diagonal-seam gummed envelopes.
  • #10 business envelopes are suitable for all your mailing needs
  • Made from ivory 24 lb. paper for durability
Price is $38.69
Unit of measure 500/Box Price per unit $0.08/Envelope
Free delivery by Wed, Jun 11
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Mead #10 Business Envelopes, 4-1/8" x 9-1/2", White, 50/Pack (75050)~#|#~sp130850205_sc7
Mead #10 Business Envelopes, 4-1/8" x 9-1/2", White, 50/Pack (75050)~#|#~sp130850204_sc7
Item # : 294470
Model # : 75050
  • 4 1/8" x 9 1/2"
  • White paper envelopes
Price is $5.09
Unit of measure 50/Pack
Delivery by Wed, Jun 11
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Southworth Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", Ivory, 250/Box (J564-10)~#|#~s1174985_sc7
Southworth Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", Ivory, 250/Box (J564-10)~#|#~s1174984_sc7
Item # : 719294
Model # : J564-10
Give mailings an upscale appearance with this 250-pack of Southworth ivory #10 24-pound 25 percent cotton linen-finish envelopes.
  • Mail your documents in a matching linen finish envelopes for a mailing that demands attention
  • Ivory envelopes are made of 24 lb. paper with 25% cotton fiber for added durability
Price is $58.79
Unit of measure 250/Box
Free delivery by Wed, Jun 11
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Staples QuickStrip EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (394047N)~#|#~874C076E-30E1-4019-BCAD79AF3EE8E1F6_sc7
Staples QuickStrip EasyClose #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (394047N)~#|#~1ED15A4C-99F0-44F1-B454A42378FDEB93_sc7
Item # : 394047
Model # : ST394047N-CC
Seal correspondence securely shut with this 100-pack of Staples EasyClose laser and inkjet #10 envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from white 24 lb. paper for durability
Price is $11.19
Unit of measure 100/Box
Delivery by Wed, Jun 11
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Quality Park Gummed Brightly Colored Business #10 Envelopes, 4-1/8" x 9-1/2", Red, 25/Pack~#|#~s0171214_sc7
Item # : 507682
Model # : QUA11134
Quality Park Gummed Brightly Colored Business Envelopes are No. 10 business envelopes feature an extra bright red color to get your mail noticed. 60 lb.
  • Business and commercial use
  • Gummed flap
Price is $7.79
Unit of measure 25/Pack
Delivery by Wed, Jun 11
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Southworth Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", White, 250/Box (J554-10)~#|#~s1174989_sc7
Southworth Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", White, 250/Box (J554-10)~#|#~s1174988_sc7
Item # : 719286
Model # : J554-10
Give mail a sophisticated look with this 250-pack of Southworth 24-pound linen-finish white 25 percent cotton #10 envelopes.
  • Always mail your documents in a matching linen finish envelopes for a mailing that demands attention
  • White-colored and made of paper
Price is $44.09
Unit of measure 250/Box
Free delivery by Wed, Jun 11
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Southworth Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", Ivory, 250/Box (J404I-10)~#|#~s1174993_sc7
Southworth Gummed #10 Business Envelopes, 4 1/8" x 9 1/2", Ivory, 250/Box (J404I-10)~#|#~s1174994_sc7
Item # : 581514
Model # : J404I-10
Ensure correspondence arrives undamaged with this box of 250 sheets of Southworth 24-pound ivory wove-finish 25 percent cotton #10 business envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from ivory 24 lb. paper for durability
Price is $48.99
Unit of measure 250/Box
Free delivery by Wed, Jun 11
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Staples Brand Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (570240/99294)~#|#~1D22CEC3-EF53-4FB5-A5BA1C460E01583A_sc7
Staples Brand Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 500/Box (570240/99294)~#|#~1DDEEC0B-AA88-4AF4-80F52C96DE579C95_sc7
Item # : 570240
Model # : ST570240-CC
Mail business and personal correspondence with confidence by using this 500-pack #10 self-sealing envelopes.
  • US #10 business envelopes are suitable for many mailing projects
  • Made from white 24 lb. paper for durability
Price is $30.69
Unit of measure 500/Box Price per unit $0.06/Envelope
Delivery by Wed, Jun 11
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Staples Gummed #10 Envelope, 4-1/8" x 9-1/2", White, 2500/CT (50301)~#|#~FB3B930A-0912-433C-8C98F4CBCC197392_sc7
Staples Gummed #10 Envelope, 4-1/8" x 9-1/2", White, 2500/CT (50301)~#|#~580F8D8E-EB73-497E-8CACEB65C3A80A49_sc7
Item # : 2792358
Model # : 50301
Standard #10 envelopes for correspondence and business or direct mail
  • Standard #10 envelope for correspondence or professional use
  • White, 24-pound paper stock
Price is $99.09
Unit of measure 2500/Carton
Free delivery by Wed, Jun 11
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Southworth Cotton #10 Inter-Departmental Envelope 4 1/8" x 9 1/2", White, 50/Pack (R14-10L)~#|#~s1174945_sc7
Southworth Cotton #10 Inter-Departmental Envelope 4 1/8" x 9 1/2", White, 50/Pack (R14-10L)~#|#~s1174943_sc7
Item # : 619358
Model # : R14-10L
Trusted since 1839. Make first impressions impactful and complete with envelopes that match your resume paper.
  • Resume envelopes that make a lasting impression
  • White 100% cotton 24 lb. envelopes for superior printing and quality
Price is $19.69
Unit of measure 50/Pack
Delivery by Wed, Jun 11
1-hr pickup
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Southworth Cotton #10 Inter-Departmental Envelope 4 1/8" x 9 1/2", Ivory, 50/Pack (R14I-10L)~#|#~73A5B5AE-9689-49DF-A6731CC4CC5A23E0_sc7
Southworth Cotton #10 Inter-Departmental Envelope 4 1/8" x 9 1/2", Ivory, 50/Pack (R14I-10L)~#|#~ACCBFA9E-8730-4CB0-A232F9AC4E6819BA_sc7
Item # : 619359
Model # : R14I-10L
Trusted since 1839. Make first impressions impactful and complete with envelopes that match your resume paper.
  • Resume envelopes that make a lasting impression
  • Ivory 100% cotton 24 lb. envelopes for superior printing and quality
Price is $24.59
Unit of measure 50/Pack
Delivery by Wed, Jun 11
1-hr pickup
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Great Papers #10 Envelope, Ivory, 40/Pack~#|#~s0953748_sc7
Item # : 1605555
Model # : 2013204
Envelope
  • 9.5" x 4.125"
  • 40 count
Price is $8.79
Unit of measure 40/Pack
Delivery by Fri, Jun 20
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Letter envelopes are an essential office supply for any home or office. These standard, versatile envelopes can be used to mail letters, checks, documents and more. At Staples, you can buy letter size envelopes in bulk in packs of anywhere from 25 to 2,500. Learn about the different types of letter envelopes below.

What Are Letter Envelopes?

A letter envelope is a sealable paper envelope typically measuring 4 ⅛ inches by 9 ½ inches, also known as a #10 envelope. Letter envelopes are not meant to contain thick or heavy objects. Rather, they’re meant to hold paper and other thin, light and flat materials. A letter-size envelope is also often compatible with a printer for those who want to print addresses rather than write them by hand. These #10 envelopes are the perfect size for mailing letters or documents because they are not too small to be accepted by postal services and not too big to require extra postage.

Types of Letter Envelopes

Letter envelopes also come in several different styles, the most common of which are described below.

  • Environmentally Friendly Envelopes - These are made from recycled paper and are great for households or businesses that do a lot of mailing to reduce environmental impact.
  • Business Envelopes - These envelopes include a clear plastic window for parts of the documents inside to be made visible. These windows have securely gummed closures to ensure that the contents of the envelope stay protected.
  • Multi-Colored Envelopes - Letter envelopes come in a variety of color options, including beige, pink, yellow, green, purple and more.
  • V-Flap Envelopes - The standard letter envelope is designed with a rectangular adhesive flap, but triangular, or “v-flap,” adhesive flaps are also available and are commonly used with greeting cards and invitations.
  • Linen Envelopes - Some letter envelopes come with a linen finish to set your letter apart and add an elegant touch.

How Do I Mail a Letter Envelope?

Here are the steps needed to mail a classic #10 letter envelope:

  1. On the side without the seal, write or print the recipient's address in the middle with a legible pen (pencil marks can dull or rub off in transit). Write the sender’s address in the envelope’s top left corner.
  2. In the top right corner, you will need to place adequate postage for the envelope to reach its destination.
  3. With the material you want to send inside the envelope, seal it by adding a light amount of moisture to the adhesive flap. If you don’t prefer to use your tongue, you can use a moist sponge or cotton swab to do this. Alternatively, you can even use tape or glue sticks to seal envelopes. Some letter envelope varieties are self-seal or peel-and-seal and are able to seal on their own without needing added moisture.
  4. Place the envelope in a USPS mailbox or bring it to a post office.