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 $10.49
Unit of measure 50/Box
Next-Day Delivery by tomorrow
30-min pickup
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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 $61.99
Unit of measure 50/Box
Free Next-Day eligible by tomorrow
30-min pickup
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JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Baby Blue, 25/Pack (155626)~#|#~m003904708_sc7JAM Paper A6 Invitation Envelopes, 4.75 x 6.5, Baby Blue, 25/Pack (155626)~#|#~m003904707_sc7
Item: 261356
Model: 155626
No reviews yet
Price is $12.69
Unit of measure 25/Pack
Delivery by Tue, May 19
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Quality Park Redi-Seal Security Tinted Window Envelope, 4 1/2" x 9 1/2", Woven White, 500/Box (21438)Quality Park Redi-Seal™ Self-Sealing Insurance HFCA-1500 Security Tinted Window Envelopes,  4 1/2" x 9 1/2", White,  500/Bx~#|#~s0171238_sc7
Item: QUA21438
Model: QUA21438
Price is $87.99
Unit of measure Box
Free delivery by Fri, May 15
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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 $6.39
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 $38.99
Unit of measure 500/Box
Free Next-Day eligible by tomorrow
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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 $119.19
Unit of measure 500/Box
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 $16.29
Unit of measure Pack
Next-Day Delivery by tomorrow
30-min pickup
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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 $42.49
Unit of measure 100/Pack
Free Next-Day eligible by tomorrow
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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 $35.99
Unit of measure 500/Box
Free Next-Day eligible by tomorrow
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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 Tue, May 19
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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 Tue, May 19
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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 $11.79
Delivery by Wed, May 27
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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 Tue, May 19
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JAM Paper Self Seal Booklet Envelope 9" x 12", White, 100/Pack (356828785d)~#|#~2E6434DC-3388-47B2-A5DF00EE5E612F35_sc7JAM Paper Self Seal Booklet Envelope 9" x 12", White, 100/Pack (356828785d)~#|#~7E814FDA-B6DB-4782-9C8B36470EFD8ECF_sc7
Item: 24604551
Model: 356828785d
No reviews yet
Price is $36.99
Unit of measure 100/Pack
Free delivery by Tue, May 19
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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 $135.29
Unit of measure 500/Box
Free Next-Day eligible by tomorrow
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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 Tue, May 19
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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 Tue, May 19
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JAM Paper A2 Booklet Envelope 4 3/8" x 5 3/4", White, 50/Pack (FE4570-05-50)~#|#~01692A31-79E3-429B-AF77DBEDECA5B2F4_sc7JAM Paper A2 Booklet Envelope 4 3/8" x 5 3/4", White, 50/Pack (FE4570-05-50)~#|#~DFA0DE58-B352-407C-88EDF09E304D7A81_sc7
Item: 24604532
Model: FE4570-05-50
No reviews yet
Price is $14.95
Unit of measure 50/Pack
Delivery by Tue, May 19
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ComplyRight Self-Seal Tax Envelope, 11.63" x 9.63", White/Green, 50/Pack (PEV48)~#|#~B514AC5C-AD99-4E5E-8AA0A147D26073A5_sc7ComplyRight Self-Seal Tax Envelope, 11.63" x 9.63", White/Green, 50/Pack (PEV48)~#|#~7EEF58AF-54B3-4569-A0F5C72C933EF776_sc7
Item: 24588701
Model: PEV48
No reviews yet
Price is $35.99
Free delivery by Tue, May 26
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JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Dark Purple, 25/Pack (563912508)~#|#~m003904995_sc7JAM Paper A7 Invitation Envelopes, 5.25 x 7.25, Dark Purple, 25/Pack (563912508)~#|#~m003904994_sc7
Item: 261627
Model: 563912508
Price is $14.29
Unit of measure 25/Pack
Delivery by Tue, May 19
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LUX 6 x 9 Booklet Envelopes (6 x 9) - White, Inkjet - Pack of 500 (2444796)~#|#~m004846928_sc7
Item: 2444796
Model: 4820-32IJ-500
No reviews yet
Price is $170.09
Unit of measure 500/Pack
Free delivery by Fri, May 22
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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 Tue, May 19
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JAM Paper Self Seal #10 Booklet Envelope 4 1/8" x 9 1/2", White, 50/Pack (75746-50)~#|#~3AFDDC25-BCBE-41D2-B6EC48C84E0E7D06_sc7JAM Paper Self Seal #10 Booklet Envelope 4 1/8" x 9 1/2", White, 50/Pack (75746-50)~#|#~4E8014B3-0A90-4BAA-BFF44CF296C8DF22_sc7
Item: 24604594
Model: 75746-50
No reviews yet
Price is $14.95
Unit of measure 50/Pack
Delivery by Tue, May 19
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LUX 5 1/2 x 7 1/2 Booklet Envelopes 50/Pack, 24lb. Bright White (11700-50)~#|#~sp14807349_sc7
Item: 24260704
Model: 11700-50
Price is $14.69
Unit of measure 50/Pack
Delivery by Fri, May 22
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ComplyRight First Class Moisture Seal Tax Envelope, 9.5" x 12", White/Blue, 50/Pack (PES45)~#|#~7F562408-3ACA-487F-9D59EC3205862925_sc7ComplyRight First Class Moisture Seal Tax Envelope, 9.5" x 12", White/Blue, 50/Pack (PES45)~#|#~D114880F-4294-46E6-ADF8F4EB9C0867EE_sc7
Item: 24588693
Model: PES45
Price is $35.99
Free delivery by Tue, May 26
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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 Tue, May 19
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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 $14.29
Unit of measure 25/Pack
Delivery by Tue, May 19
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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 $57.09
Unit of measure 12/Bundle
Free delivery by Thu, May 21
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JAM Paper Self Seal A9 Booklet Envelope 5 3/4" x 8 3/4", White, 100/Pack (4895-WPP-100)~#|#~CC365FFF-9549-4E8B-8E0BA251068C13A2_sc7JAM Paper Self Seal A9 Booklet Envelope 5 3/4" x 8 3/4", White, 100/Pack (4895-WPP-100)~#|#~BC62CDDF-3C38-4840-B636803A8A49790D_sc7
Item: 24604497
Model: 4895-WPP-100
No reviews yet
Price is $37.95
Unit of measure 100/Pack
Free delivery by Tue, May 19
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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 Tue, May 19
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Mead Kraft Self Seal Security Tinted #10 Business Envelope 4 1/8" x 9 1/2", 45/Box, 12 Boxes/Bundle (MEA75026-12)~#|#~sp151425046_sc7Mead Kraft Self Seal Security Tinted #10 Business Envelope 4 1/8" x 9 1/2", 45/Box, 12 Boxes/Bundle (MEA75026-12)~#|#~sp151425047_sc7
Item: 24516679
Model: MEA75026-12
Price is $41.99
Unit of measure 12/Bundle
Free delivery by Thu, May 21
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LUX Moistenable Glue Booklet Envelopes, 7" x 10", Bright White, 50/Pack (12237-50)~#|#~11535DFB-669D-40B2-B1211D4A811894F1_sc7
Item: 24260968
Model: 12237-50
Price is $17.59
Unit of measure 50/Pack
Delivery by Fri, May 22
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JAM Paper A10 Booklet Envelope 6" x 9 1/2", Bright White, 50/Pack (12039-50)~#|#~17BADA10-6E33-455C-9DEBCE4BEB552390_sc7JAM Paper A10 Booklet Envelope 6" x 9 1/2", Bright White, 50/Pack (12039-50)~#|#~7BBBE427-D9B9-4346-A68B659BC302E1C3_sc7
Item: 24604521
Model: 12039-50
No reviews yet
Price is $15.95
Unit of measure 50/Pack
Delivery by Tue, May 19
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LUX 9 x 12 Open End Envelopes, 50/Box, Seafoam (LUX-4894-113-50)~#|#~333B8CDD-2C0C-4517-86C52FC6E8AEAC76_sc7LUX 9 x 12 Open End Envelopes, 50/Box, Seafoam (LUX-4894-113-50)~#|#~820254D3-B21A-40AC-8C085D6CB5B14AD0_sc7
Item: 1030047
Model: LUX-4894-113-50
Price is $26.39
Delivery by Fri, May 22
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JAM Paper 6 x 6 Square Invitation Envelopes, Dark Red, 25/Pack (31511296)~#|#~m002934224_sc7JAM Paper 6 x 6 Square Invitation Envelopes, Dark Red, 25/Pack (31511296)~#|#~m002934223_sc7
Item: 261405
Model: 31511296
No reviews yet
Price is $36.59
Unit of measure 25/Pack
Free delivery by Tue, May 19
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JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Baby Pink, 25/Pack (2155777)~#|#~m002934212_sc7JAM Paper #10 Business Envelope, 4 1/8" x 9 1/2", Baby Pink, 25/Pack (2155777)~#|#~m002934211_sc7
Item: 261385
Model: 2155777
Price is $20.49
Unit of measure 25/Pack
Delivery by Tue, May 19
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LUX 10 x 15 Booklet Envelopes 50/Pack, 28lb. Bright White (44410-50)~#|#~sp14807513_sc7
Item: 24260412
Model: 44410-50
No reviews yet
Price is $65.29
Unit of measure 50/Pack
Free delivery by Fri, May 22
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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 $23.59
Unit of measure 100/Pack
Delivery by Tue, May 19
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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.