LUX 9" x 12" Open End Window Envelopes, Sunflower Yellow (LUX-1590-12-250)~#|#~m001406670_sc7
Item: 1277759
Model: LUX-1590-12-250
No reviews yet
Price is $165.59
Unit of measure 250/Box
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Open End Catalog Envelopes, Dark Grey, 100/Pack (21285783)~#|#~sp61031440_sc7JAM Paper 9 x 12 Open End Catalog Envelopes, Dark Grey, 100/Pack (21285783)~#|#~sp61031342_sc7
Item: 261753
Model: 21285783
No reviews yet
Price is $120.19
Unit of measure 100/Box
Free delivery by Tue, Sep 02
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LUX Open End Window Envelopes  9" x 12", Midnight Black, 500/Box (LUX-1590-B-500)~#|#~BE5114D9-97C7-4F9C-853BC435D6AE75D2_sc7LUX Open End Window Envelopes  9" x 12", Midnight Black, 500/Box (LUX-1590-B-500)~#|#~32A67FD9-DC3A-422A-B0C2565D43D26DBF_sc7
Item: 1277772
Model: LUX-1590-B-500
No reviews yet
Price is $178.29
Unit of measure 500/Box
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Booklet Envelopes, Dark Red, 100/Pack (31511309c)~#|#~sp4211448_sc7JAM Paper 9 x 12 Booklet Envelopes, Dark Red, 100/Pack (31511309c)~#|#~sp4211447_sc7
Item: 2478163
Model: 31511309C
No reviews yet
Price is $108.99
Unit of measure 100/Pack
Free delivery by Tue, Sep 02
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Quality Park Self Seal Kraft Catalog Envelopes 9"L x 12"H, Kraft, 25/Box (QUA93334)~#|#~sp44343614_sc7Quality Park Self Seal Kraft Catalog Envelopes 9"L x 12"H, Kraft, 25/Box (QUA93334)~#|#~sp44343613_sc7
Item: QUA93334
Model: QUA93334
No reviews yet
Price is $98.99
Unit of measure 25/Pack
Free delivery by Tue, Aug 26
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LUX 9" x 12" Open End Window Envelopes, Ruby Red (LUX-1590-18-50)~#|#~C074EF35-DF9D-4735-AC1399D441834F6E_sc7LUX 9" x 12" Open End Window Envelopes, Ruby Red (LUX-1590-18-50)~#|#~1D5BFA84-611B-4026-9FF02F89D900CCD2_sc7
Item: 1277738
Model: LUX-1590-18-50
No reviews yet
Price is $57.69
Unit of measure 50/Pack
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Booklet Envelopes, Baby Pink, 100/Pack (31512738c)~#|#~sp4211410_sc7JAM Paper 9 x 12 Booklet Envelopes, Baby Pink, 100/Pack (31512738c)~#|#~sp4211409_sc7
Item: 2478072
Model: 31512738C
No reviews yet
Price is $83.99
Unit of measure 100/Pack
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Red Holly, 100/Pack (1333313B)~#|#~m000067492_sc7
Item: 260973
Model: 1333313B
No reviews yet
Price is $158.99
Unit of measure 100/Box
Free delivery by Tue, Sep 02
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JAM Paper Booklet Envelope, 9" x 12", Ultra Fuchsia Pink, 250/Box (5156770H)~#|#~sp4211422_sc7JAM Paper Booklet Envelope, 9" x 12", Ultra Fuchsia Pink, 250/Box (5156770H)~#|#~sp4211421_sc7
Item: 24005997
Model: 5156770H
No reviews yet
Price is $127.99
Unit of measure 250/Box
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Booklet Colored Envelopes, Ultra Lime Green, Bulk 250/Box (5156771h)~#|#~sp4211424_sc7JAM Paper 9 x 12 Booklet Colored Envelopes, Ultra Lime Green, Bulk 250/Box (5156771h)~#|#~sp4211423_sc7
Item: 24006025
Model: 5156771H
No reviews yet
Price is $157.29
Unit of measure 250/Box
Free delivery by Tue, Sep 02
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JAM Paper Expandable Open End Catalog Envelopes with Peel & Seal Closure, 9 x 12 x 1, White, 250/Box (376634176b)~#|#~sp137084914_sc7
Item: 24295259
Model: 376634176B
No reviews yet
Price is $541.19
Unit of measure 250/Pack
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Silver, Bulk 500/Box (85818d)~#|#~sp4211590_sc7
Item: 2477990
Model: 85818D
No reviews yet
Price is $939.99
Unit of measure 500/Box
Free delivery by Tue, Sep 02
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Mead Kraft Self Seal A7 Catalog Envelope 9" x 12", Brown, 24/Bundle (MEA76080)~#|#~m007115556_sc7
Mead Kraft Self Seal A7 Catalog Envelope 9" x 12", Brown, 24/Bundle (MEA76080) is New at Staples
Item: 23976801
Model: MEA76080
No reviews yet
Price is $99.99
Unit of measure 24/Bundle
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Open End Catalog Envelopes, Baby Blue, 50/Pack (1532565i)~#|#~sp11854804_sc7JAM Paper 9 x 12 Open End Catalog Envelopes, Baby Blue, 50/Pack (1532565i)~#|#~sp11854803_sc7
Item: 24135523
Model: 1532565I
No reviews yet
Price is $58.69
Unit of measure 50/Pack
Free delivery by Tue, Sep 02
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LUX 9" x 12" Open End Envelopes 50/Pack, Holiday Red (FE-7280-15-50)~#|#~1545E97C-9626-4699-B4BD104AFB483B6F_sc7
Item: 24261137
Model: FE-7280-15-50
No reviews yet
Price is $36.79
Unit of measure 50/Pack
Free delivery by Thu, Sep 04
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JAM Paper Open End Catalog Envelope, 9" x 12", White, 1000/Carton (01623197B)~#|#~sp61031350_sc7
Item: 367088
Model: 01623197B
No reviews yet
Price is $300.59
Unit of measure 1000/Carton
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Booklet Envelopes, Black, 100/Pack (2112755c)~#|#~sp121512562_sc7JAM Paper 9 x 12 Booklet Envelopes, Black, 100/Pack (2112755c)~#|#~sp121512561_sc7
Item: 2478152
Model: 2112755C
No reviews yet
Price is $101.89
Unit of measure 100/Pack
Free delivery by Tue, Sep 02
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Quality Park Self Seal #10 Catalog Envelope, 9" x 12", White, 100/Box (44534)~#|#~sp4614091_sc7
Item: QUA44534
Model: QUA44534
No reviews yet
Price is $57.89
Unit of measure 100/Box
Free delivery by Wed, Aug 27
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LUX 9 x 12 Open End Envelopes, 1000/Box, Black Linen (4894-BLI-1000)~#|#~m001149711_sc7
Item: 1028615
Model: 4894-BLI-1000
No reviews yet
Price is $338.19
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Open End Catalog Envelopes with Peel and Seal Closure, Light Grey, Bulk 1000/Carton (12931115B)~#|#~m004542927_sc7JAM Paper 9 x 12 Open End Catalog Envelopes with Peel and Seal Closure, Light Grey, Bulk 1000/Carton (12931115B)~#|#~m004542926_sc7
Item: 2329404
Model: 12931115B
No reviews yet
Price is $502.99
Unit of measure 1000/Carton
Free delivery by Tue, Sep 02
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LUX Open End Envelopes 9" x 12", Smoke (LUX-1590-22-1M)~#|#~8EB68DE5-5DFA-4FB5-BBB06962EA033589_sc7LUX Open End Envelopes 9" x 12", Smoke (LUX-1590-22-1M)~#|#~FF67466E-A106-4E2F-B0C9A7DAF515D982_sc7
Item: 1277793
Model: LUX-1590-22-1M
No reviews yet
Price is $320.44
Unit of measure 1000/Box
Free delivery by Thu, Sep 04
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LUX Open End Window Envelopes 9" x 12"; Mandarin Orange~#|#~m001406669_sc7
Item: 1277776
Model: LUX-1590-11-500
No reviews yet
Price is $165.93
Unit of measure 500/Box
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, Bulk 1000/Carton (v018321B)~#|#~m000068003_sc7
Item: 262058
Model: V018321B
No reviews yet
Price is $1,690.99
Unit of measure 1000/Carton
Free delivery by Tue, Sep 02
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LUX Open End Envelopes 9" x 12", Navy Blue~#|#~m001406668_sc7
Item: 1277799
Model: LUX-1590-103-1M
No reviews yet
Price is $480.69
Unit of measure 1000/Box
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Gold, 100/Pack (01323291B)~#|#~m000067488_sc7
Item: 260964
Model: 01323291B
No reviews yet
Price is $164.59
Unit of measure 100/Box
Free delivery by Tue, Sep 02
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Quality Park Button & String Inter-DepartmentalKraft  Envelopes 9" x 12", Brown, 100/Box (QUA63462)~#|#~sp41694167_sc7
Item: QUA63462
Model: QUA63462
No reviews yet
Price is $99.39
Unit of measure 100/Carton
Free delivery by Tue, Aug 26
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LUX Open End Window Envelopes 9" x 12"; Navy Blue~#|#~m001406668_sc7
Item: 1277781
Model: LUX1590103-500
No reviews yet
Price is $278.49
Unit of measure 500/Box
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Red Holly, 25/Pack (1333313)~#|#~m000067492_sc7
Item: 260916
Model: 1333313
No reviews yet
Price is $49.99
Unit of measure 25/Pack
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, Bulk 500/Box (21515987d)~#|#~sp131391317_sc7JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, Bulk 500/Box (21515987d)~#|#~sp131391316_sc7
Item: 2478073
Model: 21515987D
No reviews yet
Price is $408.99
Unit of measure 500/Box
Free delivery by Tue, Sep 02
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LUX 70lbs. 9" x 12" Open End Envelopes, Avocado Green, 500/BX~#|#~m000081656_sc7
Item: 386716
Model: EX4894-27-500
No reviews yet
Price is $227.69
Unit of measure 500/Box
Free delivery by Thu, Sep 04
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LUX 70lbs. 9" x 12" Open End Envelopes, Avocado Green, 1000/BX~#|#~m000081656_sc7
Item: 386695
Model: EX4894-27-1000
No reviews yet
Price is $421.35
Unit of measure 1000/Box
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 50/Pack (263916011i)~#|#~sp121512570_sc7JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 50/Pack (263916011i)~#|#~sp121512569_sc7
Item: 2478160
Model: 263916011I
No reviews yet
Price is $89.89
Unit of measure 50/Pack
Free delivery by Tue, Sep 02
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LUX 9 x 12 Open End Envelopes 250/Pack, Midnight Black (80428-250)~#|#~sp14807538_sc7
Item: 24261169
Model: 80428-250
No reviews yet
Price is $154.79
Unit of measure 250/Pack
Free delivery by Thu, Sep 04
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LUX 9 x 12 Kraft Open End Envelopes, 1000/Box, 28lb. White w/ Security Tint (WS-4894-ST-1M)~#|#~m004063773_sc7
Item: 2146102
Model: WS-4894-ST-1M
No reviews yet
Price is $328.59
Unit of measure 1000/Pack
Free delivery by Thu, Sep 04
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LUX 9 x 12 Booklet Envelopes 50/Pack, Blush (LUX-4899-39-50)~#|#~sp5822112_sc7LUX 9 x 12 Booklet Envelopes 50/Pack, Blush (LUX-4899-39-50)~#|#~sp5873984_sc7
Item: 23996090
Model: LUX-4899-39-50
No reviews yet
Price is $36.25
Unit of measure 50/Pack
Free delivery by Thu, Sep 04
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JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, 100/Pack (21515987c)~#|#~sp131391322_sc7JAM Paper 9 x 12 Booklet Envelopes, Baby Blue, 100/Pack (21515987c)~#|#~sp131391321_sc7
Item: 2478074
Model: 21515987C
No reviews yet
Price is $113.99
Unit of measure 100/Pack
Free delivery by Tue, Sep 02
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JAM Paper 9 x 12 Open End Catalog Envelopes, Dark Grey, 25/Pack (21285783a)~#|#~sp11854825_sc7JAM Paper 9 x 12 Open End Catalog Envelopes, Dark Grey, 25/Pack (21285783a)~#|#~sp11854824_sc7
Item: 24142085
Model: 21285783A
No reviews yet
Price is $33.19
Unit of measure 25/Pack
Delivery by Tue, Sep 02
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LUX 9 x 12 Open End Envelopes 50/Pack, Smoke (EX4894-22-50)~#|#~sp14807569_sc7
Item: 24261083
Model: EX4894-22-50
No reviews yet
Price is $24.49
Unit of measure 50/Pack
Delivery by Thu, Sep 04
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LUX 9 x 12 Open End Envelopes 1000/Pack, Midnight Black (80428-1000)~#|#~sp14807538_sc7
Item: 24260247
Model: 80428-1000
No reviews yet
Price is $275.74
Unit of measure 1000/Pack
Free delivery by Thu, Sep 04
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Quality Park Tyvek Survivor Self Seal Catalog Envelopes, 9"L x 12"H, White, 100/Box (QUAR1460)~#|#~sp44490052_sc7Quality Park Tyvek Survivor Self Seal Catalog Envelopes, 9"L x 12"H, White, 100/Box (QUAR1460)~#|#~sp44490051_sc7
Quality Park Tyvek Survivor Self Seal Catalog Envelopes, 9"L x 12"H, White, 100/Box (QUAR1460) is Out of stock
Item: QUAR1460
Model: QUAR1460
Price is $91.39
Unit of measure 100/Box

Staples has a wide range of 9 x 12 envelopes for both business or personal use. Whether sending important documents to customers or organizing family photos, we have the right color, flap and closure type for you.

What Can I Use a 9 x 12 Envelope For?

9 x 12 envelopes are useful for workplaces, home offices and anywhere mailing, storing or organizing documents is needed. Learn more about what 9 by 12 envelopes are good for below.

  • Mailing: Sized perfectly to fit standard paper without creasing or folding it, these envelopes are the best option for sending documents or paper items that must be adequately protected during transit.
  • Storage: Use 9 x 12 envelopes to store letter-size paperwork, custom brochures, reports, certificates or even catalogs. They provide an extra level of protection while sorting or moving papers, thereby decreasing the number of folds or creases.
  • Organization: Using 9 x 12 envelopes also allows you to keep documents together in storage systems or file cabinets without stapling them or using a clip or fastener such as a paperclip, which both have the potential to damage or otherwise wrinkle the paper.

What Style of 9 x 12 Envelopes Are There?

9 x 12 envelopes come in a variety of styles to protect all of your items whether you’re in the mailing process or simply organizing the office for storage. Some 9 by 12 envelopes have features that help augment your usage, such as:

Closure Type

The best closure type for your 9 x 12 envelopes depends on whether you primarily want to mail or simply store them.To mail your items securely, it would make more sense to select a self-seal, gummed or glue closure type so that your papers won’t fall out or be tampered with during transit. If you’re planning on using them for storage, a durable clasp or a button and string closure will stand up better to repeated opening and closing.

Envelope Window

To simplify the mailing process, you may want to choose a 9 x 12 envelope with a window feature. These windows allow you to print the recipient's address on the paper contained within, which keeps from having to write out each individual recipient address.You can choose a security-tinted window so that it’s more difficult to infringe on your recipient’s privacy during the mailing process.

Color

If you have a lot of documents or categories you’re hoping to sort with 9 x 12 envelopes, color-coding may be something you want to look into. Staples offers a variety of 9 by 12 envelope color options for your convenience such as black, blue, white, yellow, orange, green, pink and more. Colored envelopes can also assist with branding - especially when paired with stationery.

Are 9 by 12 Envelopes Environmentally Friendly?

Staples offers a variety of 9 x 12 envelopes made from recycled material to make your postage as green as possible. 9 by 12 envelopes have a range of total recycled content percentages to choose from, including 1-25%, 26-50% and 76-100%.