Letter Envelopes

LUX 4 1/8" x 9 1/2" #10 60lbs. Envelopes, White With Black LUX Lining, 50/Pack~#|#~m000081261_sc7
Item: 281872
Model: FLWH4260-02-50
No reviews yet
Price is $26.79
Unit of measure 50/Pack
Delivery by Thu, Jul 16
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JAM Paper #10 Policy Metallic Business Envelopes, 4 1/8" x 9 1/2", Stardream Gold, 25/Pack (1261602)~#|#~m003904738_sc7JAM Paper #10 Policy Metallic Business Envelopes, 4 1/8" x 9 1/2", Stardream Gold, 25/Pack (1261602)~#|#~m003904737_sc7
Item: 261973
Model: 1261602
No reviews yet
Price is $23.59
Unit of measure 25/Pack
Delivery by Fri, Jul 17
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LUX #10 Regular Envelopes (4 1/8 x 9 1/2) 250/Pack, Mandarin (LUX-4260-11-250)~#|#~sp12274947_sc7LUX #10 Regular Envelopes (4 1/8 x 9 1/2) 250/Pack, Mandarin (LUX-4260-11-250)~#|#~sp12275002_sc7
Item: 24162011
Model: LUX-4260-11-250
No reviews yet
Price is $65.89
Unit of measure 250/Pack
Free delivery by Thu, Jul 16
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LUX #10 Kraft Regular Envelopes (4 1/8 x 9 1/2) 250/Pack, 24lb. Brown Kraft (92031-250)~#|#~sp14807365_sc7
Item: 24260415
Model: 92031-250
No reviews yet
Price is $92.39
Unit of measure 250/Pack
Free delivery by Thu, Jul 16
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JAM Paper Moistenable Glue Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", 1000/Pack (92021-1M)~#|#~DD9D5EE7-D078-4997-B11ACD3E9491352C_sc7
Item: 24560680
Model: 92021-1M
No reviews yet
Price is $225.49
Unit of measure 1000/Pack
Free delivery by Fri, Jul 17
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JAM Paper #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 1000/Carton (3984B)~#|#~sp111772303_sc7JAM Paper #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 1000/Carton (3984B)~#|#~sp111772302_sc7
Item: 364375
Model: 3984B
Price is $155.89
Unit of measure 1000/Carton
Free delivery by Fri, Jul 17
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LUX Moistenable Glue Security Tinted #10 Business Envelope, 4 1/2" x 9 1/2", Bright Green, 500/Box (4260-12-500)~#|#~m000081292_sc7
Item: 384428
Model: 4260-12-500
Price is $115.79
Unit of measure 500/Box
Free delivery by Thu, Jul 16
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JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Dark Gray, 50/Pack (36396445I)~#|#~m004671983_sc7JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Dark Gray, 50/Pack (36396445I)~#|#~m004671982_sc7
Item: 1588657
Model: 36396445I
No reviews yet
Price is $22.99
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper #10 Booklet Envelope, 4 1/8" x 9 1/2", Ultra Lime Green, 100/Pack (71091d)~#|#~64B4A4E6-B9EF-44E9-8A51B1EF5D123439_sc7JAM Paper #10 Booklet Envelope, 4 1/8" x 9 1/2", Ultra Lime Green, 100/Pack (71091d)~#|#~286F6C91-B3E6-46F8-8E2B0C3FC54EFABB_sc7
Item: 24604459
Model: 71091d
No reviews yet
Price is $27.99
Unit of measure 100/Pack
Delivery by Fri, Jul 17
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JAM Paper Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 50/Pack (43687-50)~#|#~sp228873472_sc7JAM Paper Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", White, 50/Pack (43687-50)~#|#~sp228873471_sc7
Item: 24578331
Model: 43687-50
No reviews yet
Price is $31.69
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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LUX 60lbs. 4 1/8" x 9 1/2" #10 Bright Regular Envelopes, Bright Green, 1000/BX~#|#~m000081292_sc7
Item: 384424
Model: 4260-12-1000
No reviews yet
Price is $150.89
Unit of measure 1000/Box
Free delivery by Thu, Jul 16
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LUX 70lb 4 1/8"x9 1/2" Open End #10 Envelopes, Natural, 500/BX~#|#~m000161321_sc7
Item: 516419
Model: 7716-N-500
No reviews yet
Price is $95.79
Free delivery by Thu, Jul 16
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LUX 80lb 4 1/8"x9 1/2" Open End #10 Envelopes, Wisteria Purple, 500/BX~#|#~m000081288_sc7
Item: 517171
Model: LUX-7716-106500
No reviews yet
Price is $201.99
Free delivery by Thu, Jul 16
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JAM Paper Self Seal #10 Business Envelopes, 4 1/8" x 9 1/2", Blue, 50/Pack (5360-13-50)~#|#~sp228873505_sc7
Item: 24578435
Model: 5360-13-50
Price is $21.79
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper #10 Business Foil Envelopes with Self-Adhesive Closure, 4.125 x 9.5, Gold, 100/Pack (01323305B)~#|#~m000067474_sc7
Item: 260946
Model: 01323305B
No reviews yet
Price is $127.99
Unit of measure 100/Box
Free delivery by Fri, Jul 17
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JAM Paper with Peel & Seal Closure #10 Business Colored Envelopes, 4 1/8" x 9 1/2", Green, 1000/Carton (86555B)~#|#~6D72CF40-FFBC-49D2-943889305B5B19A6_sc7
Item: 261288
Model: 86555B
No reviews yet
Price is $257.09
Unit of measure 1000/Carton
Free delivery by Fri, Jul 17
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JAM Paper #10 Policy Business Envelopes, 4.125 x 9.5, Baby Blue, 50/Pack (3961300I)~#|#~m003904856_sc7JAM Paper #10 Policy Business Envelopes, 4.125 x 9.5, Baby Blue, 50/Pack (3961300I)~#|#~m003904855_sc7
Item: 1588674
Model: 3961300I
No reviews yet
Price is $22.99
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Baby Blue, 50/Pack (2155778I)~#|#~sp121511965_sc7JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Baby Blue, 50/Pack (2155778I)~#|#~sp121511964_sc7
Item: 1588693
Model: 2155778I
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper #10 Business Colored Envelopes, 4 1/8" x 9 1/2", Orange Recycled, Bulk 500/Box (15860H)~#|#~sp112110495_sc7JAM Paper #10 Business Colored Envelopes, 4 1/8" x 9 1/2", Orange Recycled, Bulk 500/Box (15860H)~#|#~sp112110494_sc7
Item: 1589645
Model: 15860H
Price is $144.49
Unit of measure 500/Box
Free delivery by Fri, Jul 17
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JAM Paper Self Seal Business Envelope, 4 1/8 x 9 1/2, Blush Pink, 50 Pack (4860-114-50)~#|#~sp226423808_sc7JAM Paper Self Seal Business Envelope, 4 1/8 x 9 1/2, Blush Pink, 50 Pack (4860-114-50)~#|#~sp226423807_sc7
Item: 24578399
Model: 4860-114-50
No reviews yet
Price is $13.99
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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LUX 4 1/8" x 9 1/2" #10 80lbs. Square Flap Envelopes W/Glue Closure, Copper Metallic~#|#~m004940418_sc7LUX 4 1/8" x 9 1/2" #10 80lbs. Square Flap Envelopes W/Glue Closure, Copper Metallic~#|#~m005823905_sc7
Item: 281919
Model: 5360-11-50
No reviews yet
Price is $39.39
Unit of measure 50/Pack
Free delivery by Thu, Jul 16
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LUX 60lbs. 4 1/8" x 9 1/2" #10 Regular Envelopes, Bright Blue, 500/BX~#|#~m000081290_sc7
Item: 384473
Model: 4260-18-500
Price is $109.29
Unit of measure 500/Box
Free delivery by Thu, Jul 16
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JAM Paper #10 Policy Business Colored Envelopes, 4 1/8" x 9 1/2", Red Recycled, 25/Pack (25048)~#|#~m002934135_sc7JAM Paper #10 Policy Business Colored Envelopes, 4 1/8" x 9 1/2", Red Recycled, 25/Pack (25048)~#|#~m002934134_sc7
Item: 263863
Model: 25048
No reviews yet
Price is $14.89
Unit of measure 25/Pack
Delivery by Fri, Jul 17
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JAM Paper Open End #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 50/Pack (6314842I)~#|#~sp74308924_sc7JAM Paper Open End #10 Kraft Business Envelope, 4 1/8" x 9 1/2", Brown Kraft, 50/Pack (6314842I)~#|#~sp74308921_sc7
Item: 1588608
Model: 6314842I
Price is $24.49
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper #10 Policy Envelopes, 4 1/8 x 9 1/2, Christmas Red Recycled, 50/pack (31515415i)~#|#~sp6909568_sc7
Item: 24052266
Model: 31515415I
No reviews yet
Price is $30.49
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Bright White Laid, 25/Pack (191166)~#|#~m002934323_sc7JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Bright White Laid, 25/Pack (191166)~#|#~m002934322_sc7
Item: 262487
Model: 191166
Price is $19.99
Unit of measure 25/Pack
Delivery by Fri, Jul 17
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LUX 60lbs. 4 1/8" x 9 1/2" #10 Bright Regular Envelopes, Bright Blue, 250/BX~#|#~m000081290_sc7
Item: 384468
Model: 4260-18-250
Price is $51.69
Unit of measure 250/Box
Free delivery by Thu, Jul 16
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Dark Red, 50/Pack (31511298I)~#|#~sp137085037_sc7
Item: 1588662
Model: 31511298I
No reviews yet
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Jul 17
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JAM Paper #10 Business Colored Envelopes, 4 1/8" x 9 1/2", Orange Recycled, Bulk 1000/Carton (15860B)~#|#~sp112110495_sc7JAM Paper #10 Business Colored Envelopes, 4 1/8" x 9 1/2", Orange Recycled, Bulk 1000/Carton (15860B)~#|#~sp112110494_sc7
Item: 261242
Model: 15860B
No reviews yet
Price is $257.39
Unit of measure 1000/Carton
Free delivery by Fri, Jul 17
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JAM Paper #10 Kraft Business Envelopes, 4.125 x 9.5, Brown Kraft Paper Bag, 100/Pack (6314842B)~#|#~sp74308924_sc7JAM Paper #10 Kraft Business Envelopes, 4.125 x 9.5, Brown Kraft Paper Bag, 100/Pack (6314842B)~#|#~sp74308921_sc7
Item: 261557
Model: 6314842B
No reviews yet
Price is $301.59
Unit of measure 1000/Carton
Free delivery by Fri, Jul 17
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Black, 25/Pack (2112730)~#|#~sp4800439_sc7
Item: 2633155
Model: 2112730
No reviews yet
Price is $19.49
Unit of measure 25/Pack
Delivery by Fri, Jul 17
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LUX 4 1/8" x 9 1/2" #10 60lbs. Envelopes, White With Silver LUX Lining, 50/Pack~#|#~m000081264_sc7
Item: 281875
Model: FLWH4260-03-50
Price is $40.79
Unit of measure 50/Pack
Free delivery by Thu, Jul 16
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Quality Park Redi-Strip Self Seal Security Tinted #10 Business Envelope 4 1/8" x 9 1/2", White, 1000/Carton (QUA69122B)~#|#~sp108671159_sc7
Quality Park Redi-Strip Self Seal Security Tinted #10 Business Envelope 4 1/8" x 9 1/2", White, 1000/Carton (QUA69122B) is Out of stock
Item: 2623287
Model: QUA69122B
No reviews yet
Price is $165.49
Unit of measure 1000/Carton
JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Gold Yellow, 25/Pack (900906635)~#|#~sp82108684_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Gold Yellow, 25/Pack (900906635)~#|#~sp82108682_sc7
JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Gold Yellow, 25/Pack (900906635) is Out of stock
Item: 261864
Model: 900906635
Price is $19.49
Unit of measure 25/Pack
LUX 4 1/8" x 9 1/2" #10 60lbs. Envelopes, White With Gold LUX Lining, 50/Pack~#|#~m000081262_sc7
LUX 4 1/8" x 9 1/2" #10 60lbs. Envelopes, White With Gold LUX Lining, 50/Pack is Out of stock
Item: 281873
Model: FLWH4260-04-50
Price is $23.29
Unit of measure 50/Pack
JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Ivory Wove, 25/Pack (191165)~#|#~sp134498412_sc7JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Ivory Wove, 25/Pack (191165)~#|#~sp134498266_sc7
JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Ivory Wove, 25/Pack (191165) is Out of stock
Item: 262564
Model: 191165
Price is $20.49
Unit of measure 25/Pack
JAM Paper #10 Business Translucent Vellum Envelopes, 4.125 x 9.5, Primary Yellow, 25/Pack (PACV356)~#|#~m002169008_sc7
JAM Paper #10 Business Translucent Vellum Envelopes, 4.125 x 9.5, Primary Yellow, 25/Pack (PACV356) is Out of stock
Item: 262275
Model: PACV356
No reviews yet
Price is $25.49
Unit of measure 25/Pack
LUX 80lbs. 4 1/8" x 9 1/2" #10 Smooth Square Flap Envelopes, Navy Blue, 1000/BX~#|#~m000161287_sc7
LUX Smooth Square Flap #10 Envelope, 4-1/8" x 9-1/2", Navy Blue, 1000/Box (LUX-4860-103-10) is Out of stock
Item: 388492
Model: LUX-4860-103-10
No reviews yet
Price is $234.49
Unit of measure 1000/Box
LUX 80lb 4 1/8"x9 1/2" Square Flap #10 Envelopes W/Peel&Press, Navy Blue, 500/BX~#|#~m000161287_sc7
LUX 80lb 4 1/8"x9 1/2" Square Flap #10 Envelopes W/Peel&Press, Navy Blue, 500/BX is Out of stock
Item: 517271
Model: LUX-4860-103500
No reviews yet
Price is $96.39
LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Limelight Green, 250/BX~#|#~m004940491_sc7LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Limelight Green, 250/BX~#|#~m005824012_sc7
LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Limelight Green, 250/BX is Out of stock
Item: 388477
Model: LUX-4860-101-25
No reviews yet
Price is $96.19
Unit of measure 250/Box

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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.