Sponsored Products
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 Wed, May 14
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LUX 9" x 12" 70lbs. Open End Envelopes, Teal Blue, 50/Pack~#|#~m000081658_sc7LUX 9" x 12" 70lbs. Open End Envelopes, Teal Blue, 50/Pack~#|#~m003551874_sc7
Item: 282314
Model: EX4894-25-50
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Price is $47.39
Unit of measure 50/Pack
Free delivery by Wed, May 14
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JAM Paper 9 x 12 Booklet Colored Envelopes, Ultra Lime Green, Bulk 1000/Carton (5156771B)~#|#~m003904883_sc7JAM Paper 9 x 12 Booklet Colored Envelopes, Ultra Lime Green, Bulk 1000/Carton (5156771B)~#|#~m003904882_sc7
Item: 261178
Model: 5156771B
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Price is $464.29
Unit of measure 1000/Carton
Free delivery by Mon, May 12
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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
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Price is $99.04
Unit of measure 25/Pack
Free delivery by Tue, May 06
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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
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Price is $28.59
Unit of measure 50/Pack
Delivery by Wed, May 14
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JAM Paper 9 x 12 Booklet Translucent Vellum Envelopes, Primary Red, 25/Pack (1592187)~#|#~m000068106_sc7
Item: 262246
Model: 1592187
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Price is $62.49
Unit of measure 25/Pack
Free delivery by Mon, May 12
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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
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Price is $111.67
Unit of measure 250/Box
Free delivery by Wed, May 14
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Partners Brand Vinyl Envelopes, 12" x 9", Clear, 50/Case (JTH195)~#|#~sp23136043_sc7
Item: 24323655
Model: JTH195
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Price is $120.09
Unit of measure 50/Carton
Free delivery by Mon, May 12
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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 Wed, May 14
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JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Silver, 50/Pack (85818i)~#|#~sp4211590_sc7
Item: 2477991
Model: 85818I
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Price is $111.89
Unit of measure 50/Pack
Free delivery by Mon, May 12
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JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Silver, Bulk 500/Box (85818d)~#|#~sp4211590_sc7
Item: 2477990
Model: 85818D
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Price is $939.99
Unit of measure 500/Box
Free delivery by Mon, May 12
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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 Mon, May 12
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JAM Paper Window Envelope, 9" x 12", White, 25/Pack (223932)~#|#~sp73452810_sc7JAM Paper Window Envelope, 9" x 12", White, 25/Pack (223932)~#|#~sp73452724_sc7
Item: 367984
Model: 223932
Price is $33.19
Unit of measure 25/Pack
Delivery by Mon, May 12
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LUX 9 x 12 Open End Envelopes 50/Pack, 28lb. Bright White (8250-50)~#|#~sp14807488_sc7
Item: 24260257
Model: 8250-50
Price is $21.09
Unit of measure 50/Pack
Delivery by Wed, May 14
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LUX Open End Window Envelopes 9" x 12"; Mandarin Orange~#|#~m001406669_sc7
Item: 1277776
Model: LUX-1590-11-500
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Price is $165.93
Unit of measure 500/Box
Free delivery by Wed, May 14
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JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, 50/Pack (v018321i)~#|#~sp131391297_sc7JAM Paper 9 x 12 Metallic Booklet Envelopes, Stardream Gold, 50/Pack (v018321i)~#|#~sp131391296_sc7
Item: 2477994
Model: V018321I
No reviews yet
Price is $127.79
Unit of measure 50/Pack
Free delivery by Mon, May 12
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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 Mon, May 12
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Partners Tyvek Envelopes, 9" x 12", Green, 100/Case (TYC912G)~#|#~m004079055_sc7
Item: 2301095
Model: TYC912G
No reviews yet
Price is $121.55
Unit of measure 100/Carton
Free delivery by Mon, May 12
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LUX 9" x 12" Open End Envelopes 50/Pack, Limelight (LUX-4894-101-50)~#|#~3A9FAD67-18F3-494A-A8AAE57F40212199_sc7
Item: 24260460
Model: LUX-4894-101-50
No reviews yet
Price is $37.69
Unit of measure 50/Pack
Free delivery by Wed, May 14
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LUX 9 x 12 Open End Envelopes, 50/Box, Natural Linen (4894-NLI-50)~#|#~m001149710_sc7
Item: 1030036
Model: 4894-NLI-50
No reviews yet
Price is $54.49
Free delivery by Wed, May 14
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JAM Paper Booklet Envelope, 9" x 12", Sea Blue, 250/Box (5156773H)~#|#~sp123308259_sc7JAM Paper Booklet Envelope, 9" x 12", Sea Blue, 250/Box (5156773H)~#|#~sp123308258_sc7
Item: 24052310
Model: 5156773H
No reviews yet
Price is $127.99
Unit of measure 250/Box
Free delivery by Mon, May 12
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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 $38.29
Unit of measure 50/Pack
Free delivery by Wed, May 14
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JAM Paper Open End Catalog Envelope, 9" x 12", Navy Blue, 50/Pack (51287431I)~#|#~sp4800473_sc7JAM Paper Open End Catalog Envelope, 9" x 12", Navy Blue, 50/Pack (51287431I)~#|#~sp4800472_sc7
Item: 24006173
Model: 51287431I
No reviews yet
Price is $55.19
Unit of measure 50/Pack
Free delivery by Mon, May 12
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LUX 9 x 12 Open End Envelopes, 250/Box, Natural Linen (4894-NLI-250)~#|#~m001149710_sc7
Item: 1028611
Model: 4894-NLI-250
No reviews yet
Price is $182.39
Free delivery by Wed, May 14
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JAM Paper Booklet Envelopes, 9" x 12", Navy Blue, 500/Box (263916011d)~#|#~sp121512566_sc7JAM Paper Booklet Envelopes, 9" x 12", Navy Blue, 500/Box (263916011d)~#|#~sp121512565_sc7
Item: 2478159
Model: 263916011D
No reviews yet
Price is $327.99
Unit of measure 500/Box
Free delivery by Mon, May 12
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Partners Tyvek Envelopes, 9" x 12", Silver, 100/Case (TYC912S)~#|#~m004079057_sc7
Item: 2301093
Model: TYC912S
No reviews yet
Price is $209.69
Unit of measure 100/Carton
Free delivery by Mon, May 12
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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 Wed, May 14
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LUX 9 x 12 Booklet Envelopes 50/Pack, Vintage Plum (LUX-4899-104-50)~#|#~sp14807593_sc7
Item: 24261334
Model: LUX-4899-104-50
No reviews yet
Price is $22.93
Unit of measure 50/Pack
Delivery by Wed, May 14
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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 Mon, May 12
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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 Mon, May 12
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JAM Paper Open End Catalog Envelopes, 9" x 12", Brown Kraft, 250/Pack (4132-250)~#|#~sp223033182_sc7JAM Paper Open End Catalog Envelopes, 9" x 12", Brown Kraft, 250/Pack (4132-250)~#|#~sp223033181_sc7
Item: 24578377
Model: 4132-250
No reviews yet
Price is $89.19
Unit of measure 250/Pack
Free delivery by Mon, May 12
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JAM Paper 9 x 12 Open End Kraft Catalog Envelopes, Brown Kraft Paper Bag, 50/Pack (6315446i)~#|#~sp11854800_sc7JAM Paper 9 x 12 Open End Kraft Catalog Envelopes, Brown Kraft Paper Bag, 50/Pack (6315446i)~#|#~sp11854799_sc7
Item: 24145263
Model: 6315446I
Price is $88.59
Unit of measure 50/Pack
Free delivery by Mon, May 12
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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 Mon, May 12
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LUX 9 x 12 Open End Envelopes 500/Pack, 28lb. Bright White (8250-500)~#|#~sp14807488_sc7
Item: 24260336
Model: 8250-500
No reviews yet
Price is $98.59
Unit of measure 500/Pack
Free delivery by Wed, May 14
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JAM Paper 9 x 12 Open End Foil Envelopes with Self-Adhesive Closure, Silver, 25/Pack (1323293)~#|#~m000067468_sc7
Item: 260912
Model: 1323293
No reviews yet
Price is $52.49
Unit of measure 25/Pack
Free delivery by Mon, May 12
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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 Wed, May 14
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LUX 9" x 12" Open End Window Envelopes, Mandarin Orange (LUX-1590-11-50)~#|#~m001406669_sc7
Item: 1277742
Model: LUX-1590-11-50
No reviews yet
Price is $56.89
Unit of measure 50/Pack
Free delivery by Wed, May 14
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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 Mon, May 12
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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
No reviews yet
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%.