Sponsored Products
Universal Kraft Clasp Envelope Side Seam 28lb 9 x 12 Light Brown 100/box  (AZRUNV35264)~#|#~829657C3-5B31-48A6-8C951AB6C1F6A9A6_sc7Universal Kraft Clasp Envelope Side Seam 28lb 9 x 12 Light Brown 100/box  (AZRUNV35264)~#|#~37354A09-C725-40F4-AC9E88963B419C21_sc7
Item: UNV35264
Model: UNV35264
Price is $21.09
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples Photo A6 Invitation Envelopes, 4 3/4" x 6 1/2", White, 50/Box (ST16985-CC)~#|#~s1225269_sc7Staples Photo A6 Invitation Envelopes, 4 3/4" x 6 1/2", White, 50/Box (ST16985-CC)~#|#~s1223348_sc7
Item: 763173
Model: ST16985-CC
Price is $9.99
Unit of measure 50/Box
Next-Day Delivery by tomorrow
30-min pickup
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Medical Arts Press Self Seal Security Tinted #4 Double Window Envelope, White, 500/Box (32373)~#|#~CBC42786-3FEB-46D6-9D140647FA028B74_sc7
Medical Arts Press Self Seal Security Tinted #4 Double Window Envelope, White, 500/Box (32373) is Clearance
27% off of Medical Arts Press Self Seal Security Tinted #4 Double Window Envelope, White, 500/Box (32373)
Item: 541947
Model: 32373
No reviews yet
Price is $21.43Regular price was $29.42, You save 27%
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples #1 Currency Envelopes, 2 1/4" x 3 1/2", Kraft, 250/Box (ST19726-CC)~#|#~s1223603_sc7Staples #1 Currency Envelopes, 2 1/4" x 3 1/2", Kraft, 250/Box (ST19726-CC)~#|#~190DF538-CE78-4DF0-AAEDDC9D1874C081_sc7
Item: 266866
Model: ST19726-CC
Price is $10.89
Unit of measure 250/Box Price per unit $0.04/Envelope
Next-Day Delivery by tomorrow
30-min pickup
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JAM Paper A7 Invitation Envelope 5 1/4" x 7 1/4", Baby Blue, 100/Pack (155628d)~#|#~BAD17B3B-B835-4934-9B801B678B13CF5E_sc7JAM Paper A7 Invitation Envelope 5 1/4" x 7 1/4", Baby Blue, 100/Pack (155628d)~#|#~5BFD0BBC-84D1-473E-BE5D0F86EFABF655_sc7
Item: 24604486
Model: 155628d
No reviews yet
Price is $32.99
Unit of measure 100/Pack
Delivery by Wed, Aug 27
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JAM Paper A7 Invitation Envelope 5 1/4" x 7 1/4", Dark Green, 50/Pack (263917095C)~#|#~B51041E9-8364-4054-B88F47A606352C11_sc7JAM Paper A7 Invitation Envelope 5 1/4" x 7 1/4", Dark Green, 50/Pack (263917095C)~#|#~DFE87060-92DB-470B-B507B74EB0C9C6E5_sc7
Item: 1912811
Model: 263917095C
Price is $27.19
Unit of measure 50/Pack
Delivery by Wed, Aug 27
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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
Price is $6.09
Unit of measure 50/Pack
Next-Day Delivery by tomorrow
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Quality Park Redi-Seal Self Seal #7 Envelope 3 1/2" x 6 1/2", Kraft, 500/Box (QUA50765)~#|#~1A7C2C10-C377-4788-87645F24F0151547_sc7Quality Park Redi-Seal Self Seal #7 Envelope 3 1/2" x 6 1/2", Kraft, 500/Box (QUA50765)~#|#~C65D872E-5EE7-4F80-B96E1F9DBC4D90C6_sc7
Item: 24582372
Model: QUA50765
Price is $36.99
Unit of measure 500/Box
Free Next-Day eligible by tomorrow
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Quality Park Survivor Tyvek Catalog Mailers, White, 10" x 13", 50/Box (R1582)~#|#~m002294726_sc7
Item: 2622390
Model: QUAR1582
Price is $76.89
Unit of measure 50/Box
Free Next-Day eligible by tomorrow
30-min pickup
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Quality Park Redi-Strip Self Seal #10 Window Envelope 4 1/8" x 9 1/2", White, 500/Box (QUA69222)~#|#~s1188227_sc7
Item: 2623443
Model: QUA69222
Price is $116.29
Unit of measure 500/Box
Free delivery by Mon, Aug 25
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ComplyRight CMS-1500 Self Seal Security Tinted Window Envelope 9" x 12 1/2", White/Blue, 100/Pack (1500LR)~#|#~s0403393_sc7
Item: 742810
Model: 1500LR
Price is $40.39
Unit of measure 100/Pack
Free Next-Day eligible by tomorrow
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Geographics A9 Invitation Card Envelope, 5.75" x 8.75", Ivory, 40/Pack (49826XX)~#|#~sp61620440_sc7
Item: 2706354
Model: 49826XX
Price is $13.99
Unit of measure Pack
Delivery by Tue, Sep 02
30-min pickup
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Quality Park Redi-Seal Self Seal #5 1/2 Envelope 3 1/8" x 5 1/2", Kraft, 500/Box (QUA50764)~#|#~06AE5E5F-61C1-4158-95AF36180D4A92F7_sc7Quality Park Redi-Seal Self Seal #5 1/2 Envelope 3 1/8" x 5 1/2", Kraft, 500/Box (QUA50764)~#|#~7403CCB3-4B63-41A0-8E989BA4859FD90D_sc7
Item: 24582370
Model: QUA50764
No reviews yet
Price is $34.19
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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JAM Paper Booklet Envelope 6" x 9 1/2", White, 100/Pack (1623193d)~#|#~A087C160-F9BB-41C1-A45CB7C1603BCD7E_sc7JAM Paper Booklet Envelope 6" x 9 1/2", White, 100/Pack (1623193d)~#|#~22CE246E-0489-41B9-AA44E77308DE338E_sc7
Item: 24604662
Model: 1623193d
No reviews yet
Price is $18.99
Unit of measure 100/Pack
Delivery by Wed, Aug 27
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ComplyRight CMS-1500 Self Seal Security Tinted Window Envelope 9" x 12 1/2", White/Blue, 100/Pack (1500RS)~#|#~70074392-65EE-405E-BA2A8D979CFD61F9_sc7ComplyRight CMS-1500 Self Seal Security Tinted Window Envelope 9" x 12 1/2", White/Blue, 100/Pack (1500RS)~#|#~89865954-B440-4EEB-908F5DD36F32D1CD_sc7
Item: 1949161
Model: 1500RS
No reviews yet
Price is $41.49
Unit of measure 100/Pack
Free delivery by Thu, Aug 28
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LUX 6 x 9 Open End Envelopes, 50/Box, Gold Metallic (1644-07-50)~#|#~AD2C7AD1-1782-4E22-8E3C17D5419E6AA8_sc7LUX 6 x 9 Open End Envelopes, 50/Box, Gold Metallic (1644-07-50)~#|#~D7F3BEB0-010D-49AC-9ED9BA964AFE76D5_sc7
Item: 1030018
Model: 1644-07-50
No reviews yet
Price is $61.59
Free delivery by Tue, Sep 02
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JAM Paper Self Seal A2 Booklet Envelope 4 3/8" x 5 3/4", White, 50/Pack (4870-WPC-50)~#|#~C23D7CD1-EA2D-4753-99ECC2855850540A_sc7JAM Paper Self Seal A2 Booklet Envelope 4 3/8" x 5 3/4", White, 50/Pack (4870-WPC-50)~#|#~227318C5-E812-4726-A152A1529B2336BF_sc7
Item: 24604483
Model: 4870-WPC-50
No reviews yet
Price is $13.95
Unit of measure 50/Pack
Delivery by Wed, Aug 27
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JAM Paper Self Seal A6 Booklet Envelope 4 3/4" x 6 1/2", White, 50/Pack (FE4575-05-50)~#|#~2C8CE552-6ABC-43AB-99B070B4254A49AD_sc7JAM Paper Self Seal A6 Booklet Envelope 4 3/4" x 6 1/2", White, 50/Pack (FE4575-05-50)~#|#~612DD8F7-89D8-4545-838084931030616E_sc7
Item: 24604533
Model: FE4575-05-50
No reviews yet
Price is $14.95
Unit of measure 50/Pack
Delivery by Wed, Aug 27
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Mead Kraft Self Seal Business Envelope, 9" x 12", 5/Box, 12 Boxes/Bundle (MEA76080-12)~#|#~sp151425050_sc7Mead Kraft Self Seal Business Envelope, 9" x 12", 5/Box, 12 Boxes/Bundle (MEA76080-12)~#|#~sp151425051_sc7
Item: 24516648
Model: MEA76080-12
No reviews yet
Price is $24.09
Unit of measure 12/Bundle
Delivery by Fri, Aug 29
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Quality Park Redi-Seal Security Tinted Window Envelope, 4 1/2" x 9 1/2", Woven White, 500/Box (21438)~#|#~sp38165581_sc7Quality Park Redi-Seal Security Tinted Window Envelope, 4 1/2" x 9 1/2", Woven White, 500/Box (21438)~#|#~sp38165580_sc7
Item: 507760
Model: QUA21438
Price is $131.99
Unit of measure 500/Box
Free Next-Day eligible by tomorrow
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ComplyRight First Class Peel & Seal Tax Envelope, 9.5" x 12", White/Blue, 50/Pack (PEO41)~#|#~9CCF4CB8-4522-4753-90B4F5E2DB32C8B2_sc7ComplyRight First Class Peel & Seal Tax Envelope, 9.5" x 12", White/Blue, 50/Pack (PEO41)~#|#~698399A6-7364-492E-A175CACA8DCE3F84_sc7
Item: 24588702
Model: PEO41
No reviews yet
Price is $33.29
Delivery by Wed, Sep 03
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JAM Paper Catalog Envelope 6" x 9", White, 100/Pack (1623192d)~#|#~091281BE-2B94-43A3-B8B128C85FD5BDA3_sc7JAM Paper Catalog Envelope 6" x 9", White, 100/Pack (1623192d)~#|#~A6F405FE-C7F3-4DFD-827E468B54E59C25_sc7
Item: 24604659
Model: 1623192d
Price is $18.99
Unit of measure 100/Pack
Delivery by Wed, Aug 27
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JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Aqua Blue, 25/Pack (1523985)~#|#~m002934475_sc7JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Aqua Blue, 25/Pack (1523985)~#|#~m002934474_sc7
Item: 363657
Model: 1523985
Price is $13.89
Unit of measure 25/Pack
Delivery by Wed, Aug 27
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Great Papers Summer Meadow #10 Invitation Envelope 4 1/8" x 9 1/2", Multicolored, 25/Pack (2025002)~#|#~F5A1B04F-F755-4A8E-82F6B75DC1939D23_sc7Great Papers Summer Meadow #10 Invitation Envelope 4 1/8" x 9 1/2", Multicolored, 25/Pack (2025002)~#|#~FEB3D2BC-AE29-4281-9A174556EFB7F766_sc7
Item: 24632071
Model: 2025002
No reviews yet
Price is $7.79
Delivery by Wed, Sep 03
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JAM Paper 4Bar A1 Invitation Envelopes, 3.625 x 5.125, Dark Purple, 50/Pack (563912502I)~#|#~m003904991_sc7JAM Paper 4Bar A1 Invitation Envelopes, 3.625 x 5.125, Dark Purple, 50/Pack (563912502I)~#|#~m003904990_sc7
Item: 1588666
Model: 563912502I
No reviews yet
Price is $22.19
Unit of measure 50/Pack
Delivery by Wed, Aug 27
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JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Burgundy, 25/Pack (36395841)~#|#~m002934246_sc7JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Burgundy, 25/Pack (36395841)~#|#~m002934245_sc7
Item: 261478
Model: 36395841
No reviews yet
Price is $36.59
Unit of measure 25/Pack
Free delivery by Wed, Aug 27
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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 Wed, Aug 27
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JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Aqua Blue, 25/Pack (1523981)~#|#~m002934471_sc7JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Aqua Blue, 25/Pack (1523981)~#|#~m002934470_sc7
Item: 363440
Model: 1523981
No reviews yet
Price is $13.89
Unit of measure 25/Pack
Delivery by Wed, Aug 27
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JAM Paper Booklet Envelopes 5 1/2" x 7 1/2", White, 100/Pack (4235d)~#|#~7DEF0676-8AF4-43C6-A0AC33FD4294402D_sc7JAM Paper Booklet Envelopes 5 1/2" x 7 1/2", White, 100/Pack (4235d)~#|#~4CF4E44B-B848-4709-BF29CC2556423508_sc7
Item: 24604572
Model: 4235d
No reviews yet
Price is $22.99
Unit of measure 100/Pack
Delivery by Wed, Aug 27
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Mead Kraft Self Seal Security Tinted #6 Business Envelope, 3 5/8" x 6 1/2", 55/Box, 12 Boxes/Bundle (MEA75030-12)~#|#~sp151425048_sc7Mead Kraft Self Seal Security Tinted #6 Business Envelope, 3 5/8" x 6 1/2", 55/Box, 12 Boxes/Bundle (MEA75030-12)~#|#~sp151425049_sc7
Item: 24516682
Model: MEA75030-12
No reviews yet
Price is $54.29
Unit of measure 12/Bundle
Free delivery by Fri, Aug 29
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JAM Paper Booklet Envelope 10" x 13", Brown Kraft, 50/Pack (16162-50)~#|#~A701FB18-B0BB-4A03-A50CEC3D154A9A17_sc7
Item: 24604523
Model: 16162-50
No reviews yet
Price is $24.95
Unit of measure 50/Pack
Delivery by Wed, Aug 27
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JAM Paper Specialty Envelope 9" x 12", Sunflower Yellow, 50/Pack (212816063i)~#|#~9413DB52-AB02-4247-86AA5F2C23CEC972_sc7JAM Paper Specialty Envelope 9" x 12", Sunflower Yellow, 50/Pack (212816063i)~#|#~BB939F61-2325-4D59-98CF51287ED5872B_sc7
Item: 24604590
Model: 212816063i
No reviews yet
Price is $55.99
Unit of measure 50/Pack
Free delivery by Wed, Aug 27
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Mead Press-It Seal-It Envelopes, 10" x 13", 4/Box, 12 Boxes (MEA76082-12)~#|#~sp151425053_sc7Mead Press-It Seal-It Envelopes, 10" x 13", 4/Box, 12 Boxes (MEA76082-12)~#|#~sp151425052_sc7
Item: 24516829
Model: MEA76082-12
No reviews yet
Price is $31.99
Unit of measure 12/Bundle
Delivery by Fri, Aug 29
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JAM Paper Self Seal A1 Booklet Envelope 3 5/8" x 5 1/8", White, 50/Pack (FE4565-05-50)~#|#~EDFF7F69-AD8D-412F-A8CD07D305EB998E_sc7JAM Paper Self Seal A1 Booklet Envelope 3 5/8" x 5 1/8", White, 50/Pack (FE4565-05-50)~#|#~91AD1B46-5310-4C0E-BAFC3DEA61AD3E0C_sc7
Item: 24604634
Model: FE4565-05-50
No reviews yet
Price is $10.94
Unit of measure 50/Pack
Delivery by Wed, Aug 27
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JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Dark Red, 25/Pack (31511305)~#|#~m002934216_sc7JAM Paper A2 Invitation Envelopes, 4.375 x 5.75, Dark Red, 25/Pack (31511305)~#|#~m002934215_sc7
Item: 261399
Model: 31511305
Price is $11.79
Unit of measure 25/Pack
Delivery by Wed, Aug 27
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JAM Paper Self Seal Booklet Envelope 6 1/2" x 9 1/2", White, 50/Pack (356828778b)~#|#~D21D2FF3-3921-4830-826210E0E0F43F9C_sc7JAM Paper Self Seal Booklet Envelope 6 1/2" x 9 1/2", White, 50/Pack (356828778b)~#|#~4AF76EC0-9198-4EBB-9BB0059548EDC92C_sc7
JAM Paper Self Seal Booklet Envelope 6 1/2" x 9 1/2", White, 50/Pack (356828778b) is Out of stock
Item: 24604547
Model: 356828778b
No reviews yet
Price is $13.00
Unit of measure 50/Pack
JAM Paper Self Seal Booklet Envelope 6 1/2" x 9 1/2", White, 100/Pack (356828778d)~#|#~BEE95087-7BC0-4B6F-A634A928AA3C74FB_sc7JAM Paper Self Seal Booklet Envelope 6 1/2" x 9 1/2", White, 100/Pack (356828778d)~#|#~E1790198-DA2B-4839-A576FA38E4D0BA40_sc7
JAM Paper Self Seal Booklet Envelope 6 1/2" x 9 1/2", White, 100/Pack (356828778d) is Out of stock
Item: 24604548
Model: 356828778d
No reviews yet
Price is $22.99
Unit of measure 100/Pack

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Mail your communications in style with a wide range of rectangular envelopes. Whether you're running a home or a business, you'll need mailing supplies. Mail bills, invoices, checks, invitations, documents, and greeting cards using envelopes in a wide variety of sizes, shapes, and colors.

Traditional Business Envelopes
Mail client invoices, checks, and documents with traditional business envelopes. Choose single or double windows and use computer software to print customized checks and invoices that fit those windows. Avoid hand addressing envelopes and save hours of time, or include a blank window envelope with your invoices and make it easier for clients to return payment. Business envelopes come with self-sealing closures or gummed closures. Say goodbye to basic and choose a color that coordinates with your brand. Safety features like a tinted liner make sure your private documents stay that way until they reach the intended recipient.

Formal Stationery
Save money on wedding plans by making your own invitations, and use rectangular envelopes to mail them. Choose a paper color that coordinates with the invitation itself, and opt for traditional invitation sizes, such as 4 3/4 x 11 or 6 x 12. Add a touch of flair with foil-lined envelopes that match the metallic font on your invitations. Stationery envelopes aren't just for weddings: use them to mail company holiday cards, graduation invitations, or notifications of company award events.

Booklet and Document Size
Mail pamphlets, catalogs, closing documents, and other large materials with rectangular mailing envelopes. Pick from traditional brown paper construction or lined vellum that keeps the contents safe until they reach the desired recipient. Many mailing envelopes include a top closure, and some are self-sealing with detachable tops. Whatever your purpose and style, there's a rectangular mailing envelope that works for you.