LUX 9 x 12 Booklet Envelopes, 28lb. Bright White, 50/Pack (12328-50)~#|#~sp14807568_sc7
Item: 24260268
Model: 12328-50
Price is $22.29
Unit of measure 50/Pack
Delivery by Tue, Oct 21
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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 $308.19
Unit of measure 1000/Carton
Free delivery by Thu, Oct 16
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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 $59.19
Unit of measure 50/Pack
Free delivery by Tue, Oct 21
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JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 25/Pack (263916011)~#|#~sp121512037_sc7JAM Paper 9 x 12 Booklet Envelopes, Navy Blue, 25/Pack (263916011)~#|#~sp121512036_sc7
Item: 261714
Model: 263916011
No reviews yet
Price is $31.19
Unit of measure 25/Pack
Delivery by Thu, Oct 16
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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 Thu, Oct 16
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JAM Paper 9 x 12 Booklet Colored Envelopes, Blue Recycled, Bulk 500/Box (5156774d)~#|#~sp129636849_sc7JAM Paper 9 x 12 Booklet Colored Envelopes, Blue Recycled, Bulk 500/Box (5156774d)~#|#~sp129636848_sc7
Item: 2478150
Model: 5156774D
No reviews yet
Price is $252.99
Unit of measure 500/Box
Free delivery by Thu, Oct 16
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LUX Kraft Open End Envelopes with Security Tint, 9" x 12", White, 500/Pack (WS-4894-ST-500)~#|#~m004063773_sc7
Item: 2146103
Model: WS-4894-ST-500
No reviews yet
Price is $253.39
Unit of measure 500/Pack
Free delivery by Tue, Oct 21
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LUX 9 x 12 Booklet Envelopes 50/Pack, Gold Metallic (5350-07-50)~#|#~sp14807511_sc7
Item: 24260691
Model: 5350-07-50
No reviews yet
Price is $63.89
Unit of measure 50/Pack
Free delivery by Tue, Oct 21
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LUX 9 x 12 Booklet Envelopes 50/Pack, White w/ Peel & Seel (14554-50)~#|#~sp14807564_sc7
Item: 24260278
Model: 14554-50
No reviews yet
Price is $29.39
Unit of measure 50/Pack
Delivery by Tue, Oct 21
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LUX Moistenable Glue Document Envelope, 9" x 12", Bright White, 500/Pack (8193-TAX-500)~#|#~sp20150752_sc7
Item: 24294204
Model: 8193-TAX-500
Price is $113.89
Unit of measure 500/Pack
Free delivery by Tue, Oct 21
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JAM Paper Open End Clasp Catalog Envelope, 9" x 12", Violet, 100/Box (900906767)~#|#~m003905024_sc7JAM Paper Open End Clasp Catalog Envelope, 9" x 12", Violet, 100/Box (900906767)~#|#~m003550703_sc7
Item: 261689
Model: 900906767
Price is $124.59
Unit of measure 100/Box
Free delivery by Thu, Oct 16
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JAM Paper 9 x 12 Open End Foil Envelopes with Peel & Seal Closure, Gold, 25/Pack (1323291)~#|#~m000067488_sc7
Item: 260911
Model: 1323291
No reviews yet
Price is $49.99
Unit of measure 25/Pack
Free delivery by Thu, Oct 16
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JAM Paper Open End Peel & Seal Catalog Envelope, 9" x 12", White, 500/Pack (356828780)~#|#~m002869961_sc7JAM Paper Open End Peel & Seal Catalog Envelope, 9" x 12", White, 500/Pack (356828780)~#|#~m002869960_sc7
Item: 1912877
Model: 356828780
No reviews yet
Price is $275.59
Unit of measure 500/Pack
Free delivery by Thu, Oct 16
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LUX Open End Envelopes 9" x 12", Pool Blue~#|#~m001406667_sc7
Item: 1277800
Model: LUX-1590-102-1M
No reviews yet
Price is $489.89
Unit of measure 1000/Box
Free delivery by Tue, Oct 21
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JAM Paper 9" x 12" Open End Catalog Envelopes, Black, 10/Pack (V01225B)~#|#~sp115352008_sc7JAM Paper 9" x 12" Open End Catalog Envelopes, Black, 10/Pack (V01225B)~#|#~sp115351610_sc7
Item: 38281
Model: V01225B
No reviews yet
Price is $14.99
Unit of measure 10/Pack
Delivery by Thu, Oct 16
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JAM Paper Peel & Seal Open End Catalog Envelope, 9" x 12", White, 500/Pack (356828785)~#|#~sp121512391_sc7JAM Paper Peel & Seal Open End Catalog Envelope, 9" x 12", White, 500/Pack (356828785)~#|#~sp121512390_sc7
Item: 1912880
Model: 356828785
No reviews yet
Price is $189.99
Unit of measure 500/Pack
Free delivery by Thu, Oct 16
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JAM Paper 9 x 12 Booklet Commercial Envelopes, White, 50/Pack (13751H)~#|#~sp111772360_sc7JAM Paper 9 x 12 Booklet Commercial Envelopes, White, 50/Pack (13751H)~#|#~sp111772359_sc7
Item: 2329382
Model: 13751H
Price is $28.29
Unit of measure 50/Pack
Delivery by Thu, Oct 16
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LUX 9 x 12 Open End Envelopes, 500/Box, Gold Metallic (4894-07-500)~#|#~m001149712_sc7
Item: 1028616
Model: 4894-07-500
No reviews yet
Price is $353.89
Free delivery by Tue, Oct 21
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JAM Paper 9" x 12" Open End Catalog Translucent Vellum Envelopes, Clear, 10/Pack (2851376B)~#|#~sp137085596_sc7
Item: 38314
Model: 2851376B
No reviews yet
Price is $29.69
Unit of measure 10/Pack
Delivery by Thu, Oct 16
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JAM Paper Open End Commercial Booklet Envelopes, Peel & Press, 9" x 12", White, 500/Pack (13751C)~#|#~sp223033184_sc7JAM Paper Open End Commercial Booklet Envelopes, Peel & Press, 9" x 12", White, 500/Pack (13751C)~#|#~sp223033183_sc7
Item: 24578362
Model: 13751C
No reviews yet
Price is $152.99
Unit of measure 500/Pack
Free delivery by Thu, Oct 16
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JAM Paper 9 x 12 Booklet Commercial Window Envelopes, White, 50/Pack (223932I)~#|#~sp73452810_sc7JAM Paper 9 x 12 Booklet Commercial Window Envelopes, White, 50/Pack (223932I)~#|#~sp73452724_sc7
Item: 24365131
Model: 223932I
Price is $60.99
Unit of measure 50/Pack
Free delivery by Thu, Oct 16
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JAM Paper 9 x 12 Open End Catalog Foil Envelopes with Self-Adhesive Closure, Blue with White Snowflakes, 100/Pack (01323320B)~#|#~m000141500_sc7
Item: 363390
Model: 01323320B
No reviews yet
Price is $158.69
Unit of measure 100/Box
Free delivery by Thu, Oct 16
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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 $554.79
Unit of measure 250/Pack
Free delivery by Thu, Oct 16
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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 $336.89
Unit of measure 1000/Pack
Free delivery by Tue, Oct 21
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JAM Paper 9 x 9 Square Invitation Envelopes, Black Linen, 50/Pack (V01215I)~#|#~m003905219_sc7JAM Paper 9 x 9 Square Invitation Envelopes, Black Linen, 50/Pack (V01215I)~#|#~m003905218_sc7
Item: 1588415
Model: V01215I
No reviews yet
Price is $49.99
Unit of measure 50/Pack
Free delivery by Thu, Oct 16
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LUX Open End Open End Window Envelope, 9" x 12", Pool Blue, 250/Pack (LUX1590102-250)~#|#~m001406667_sc7
Item: 1277762
Model: LUX1590102-250
No reviews yet
Price is $111.67
Unit of measure 250/Box
Free delivery by Tue, Oct 21
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JAM Paper 9 x 12 Open End Catalog Foil Envelopes with Zip Closure, Clear, 25/Pack (300912A58A3)~#|#~m004672198_sc7JAM Paper 9 x 12 Open End Catalog Foil Envelopes with Zip Closure, Clear, 25/Pack (300912A58A3)~#|#~m004672197_sc7
Item: 1227796
Model: 300912A58A3
No reviews yet
Price is $56.39
Unit of measure 25/Pack
Free delivery by Thu, Oct 16
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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 Thu, Oct 16
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JAM Paper 9 x 12 Open End Catalog Envelopes, Aqua Blue, 25/Pack (31287530)~#|#~sp61031353_sc7JAM Paper 9 x 12 Open End Catalog Envelopes, Aqua Blue, 25/Pack (31287530)~#|#~sp61031274_sc7
Item: 361974
Model: 31287530
No reviews yet
Price is $34.09
Unit of measure 25/Pack
Delivery by Thu, Oct 16
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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 Tue, Oct 21
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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 Tue, Oct 21
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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 $95.39
Unit of measure 100/Carton
Free delivery by Tue, Oct 14
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LUX 9 x 12 Booklet Envelopes 50/Pack, Smoke (EX4899-22-50)~#|#~sp14807524_sc7
Item: 24260878
Model: EX4899-22-50
No reviews yet
Price is $39.29
Unit of measure 50/Pack
Free delivery by Tue, Oct 21
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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 $285.49
Unit of measure 500/Box
Free delivery by Tue, Oct 21
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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 Tue, Oct 21
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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 Tue, Oct 21
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Quality Park Fashion Clasp & Moistenable Glue Catalog Envelope 9" x 12", Blue, 10/Pack (38737)~#|#~s0171297_sc7
Item: QUA38737
Model: QUA38737
No reviews yet
Price is $16.32
Unit of measure 10/Pack
Next-Day Delivery by Mon, Oct 13
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JAM Paper 9" x 12" Booklet Envelopes, Black, 25/Pack (2112755)~#|#~sp121511842_sc7JAM Paper 9" x 12" Booklet Envelopes, Black, 25/Pack (2112755)~#|#~sp121511841_sc7
Item: 38356
Model: 2112755
Price is $52.49
Unit of measure 25/Pack
Free delivery by Thu, Oct 16
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Trending now

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%.