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JAM Paper A8 Invitation Envelope 5 1/2" x 8 1/8", Presidential Blue, 50/Pack (563916908I)~#|#~3B44526D-1E8A-48F3-84960F04EAFF21C0_sc7JAM Paper A8 Invitation Envelope 5 1/2" x 8 1/8", Presidential Blue, 50/Pack (563916908I)~#|#~AE46A1A2-F302-42B8-B376BDBBCF5395F2_sc7
Item: 1589147
Model: 563916908I
No reviews yet
Price is $25.29
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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JAM Paper 9.5 x 12.5 Open End Catalog Envelopes with Peel and Seal Closure, White, 25/Pack (356828781A)~#|#~sp11854810_sc7JAM Paper 9.5 x 12.5 Open End Catalog Envelopes with Peel and Seal Closure, White, 25/Pack (356828781A)~#|#~sp11854809_sc7
Item: 24142066
Model: 356828781A
Price is $22.69
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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JAM Paper Cellophane Envelope with Peel & Seal Closure, 9.25 x 12.25, Clear, 100/Pack (9.25X12.25CELLO)~#|#~m000068422_sc7
Item: 262904
Model: 9.25X12.25CELLO
No reviews yet
Price is $95.99
Unit of measure 100/Pack
Free delivery by Fri, Feb 13
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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 $58.39
Unit of measure 50/Pack
Free delivery by Tue, Feb 17
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JAM Paper #10 Policy Business Colored Envelopes, 4.125 x 9.5, Blue Recycled, Bulk 500/Box (15880H)~#|#~m003904550_sc7JAM Paper #10 Policy Business Colored Envelopes, 4.125 x 9.5, Blue Recycled, Bulk 500/Box (15880H)~#|#~m003904549_sc7
Item: 1589641
Model: 15880H
No reviews yet
Price is $202.99
Unit of measure 500/Box
Free delivery by Fri, Feb 13
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LUX A2 (4 3/8 x 5 3/4) 50/Box, White w/Gold LUX Lining (FLWH4870-04-50)~#|#~m000081840_sc7
Item: 282524
Model: FLWH4870-04-50
No reviews yet
Price is $26.19
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Navy (LUX-4865-103-50)~#|#~m000081724_sc7
Item: 282387
Model: LUX-4865-103-50
Price is $13.99
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper 6" x 9" Open End Catalog Envelopes with Clasp Closure, Black, 10/Pack (87915B)~#|#~sp61031308_sc7JAM Paper 6" x 9" Open End Catalog Envelopes with Clasp Closure, Black, 10/Pack (87915B)~#|#~sp61031136_sc7
Item: 38323
Model: 87915B
No reviews yet
Price is $13.69
Unit of measure 10/Pack
Delivery by Fri, Feb 13
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JAM Paper Open End Catalog Envelope, 9" x 12", Red, 100/Box (80329)~#|#~m002934030_sc7JAM Paper Open End Catalog Envelope, 9" x 12", Red, 100/Box (80329)~#|#~m002934029_sc7
Item: 261757
Model: 80329
Price is $59.79
Unit of measure 100/Box
Free delivery by Fri, Feb 13
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JAM Paper 10" x 13" Open End Catalog Envelopes, Black, 10/Pack (87733B)~#|#~9445785A-A496-4D68-B040D430D0E0B5B2_sc7JAM Paper 10" x 13" Open End Catalog Envelopes, Black, 10/Pack (87733B)~#|#~0A03EAE2-8E19-4167-9147DE3E429D77D4_sc7
Item: 38275
Model: 87733B
No reviews yet
Price is $18.99
Unit of measure 10/Pack
Delivery by Fri, Feb 13
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Sunflower (EX4865-12-50)~#|#~m000081740_sc7
Item: 282404
Model: EX4865-12-50
No reviews yet
Price is $24.39
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Blue, 12/Pack (218B1BU)~#|#~m002934363_sc7JAM Paper® Plastic Envelopes with Button and String Tie Closure, Letter Booklet, 9.75 x 13, Blue, 12/Pack (218B1BU)~#|#~m002934362_sc7
Item: 263016
Model: 218B1BU
Price is $38.19
Unit of measure 12/Pack Price per unit $3.18/Envelope
Free delivery by Fri, Feb 13
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JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural, 50/Pack (900926651I)~#|#~sp132864269_sc7JAM Paper Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural, 50/Pack (900926651I)~#|#~sp132864268_sc7
Item: 1588594
Model: 900926651I
Price is $20.49
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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JAM Paper Tear-Proof Tyvek Open End Catalog Envelopes, 9" x 12", White Airmail, 10/Pack (2131102A)~#|#~m004542919_sc7JAM Paper Tear-Proof Tyvek Open End Catalog Envelopes, 9" x 12", White Airmail, 10/Pack (2131102A)~#|#~m004542918_sc7
Item: 2329402
Model: 2131102A
No reviews yet
Price is $19.29
Unit of measure 10/Pack
Delivery by Fri, Feb 13
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Taupe Metallic (5370-M09-50)~#|#~m004063752_sc7
Item: 2146525
Model: 5370-M09-50
No reviews yet
Price is $18.09
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Green Recycled, 25/Pack (15811)~#|#~m003904521_sc7JAM Paper 4Bar A1 Colored Invitation Envelopes, 3.625 x 5.125, Green Recycled, 25/Pack (15811)~#|#~m003904520_sc7
Item: 263917
Model: 15811
No reviews yet
Price is $10.09
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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JAM Paper® #10 Plastic Envelopes with Button and String Tie Closure, 5 1/4 x 10, Clear Poly, 12/pack (921B1CL)~#|#~m004858096_sc7JAM Paper® #10 Plastic Envelopes with Button and String Tie Closure, 5 1/4 x 10, Clear Poly, 12/pack (921B1CL)~#|#~m004857949_sc7
Item: 262951
Model: 921B1CL
Price is $39.59
Unit of measure 12/Pack Price per unit $3.30/Envelope
Free delivery by Fri, Feb 13
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JAM Paper A8 Invitation Envelopes, 5.5 x 8.125, White, 50/Pack (4023981I)~#|#~sp121512004_sc7JAM Paper A8 Invitation Envelopes, 5.5 x 8.125, White, 50/Pack (4023981I)~#|#~sp121512003_sc7
Item: 1589114
Model: 4023981I
Price is $14.89
Unit of measure 50/Pack
Delivery by Fri, Feb 13
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Staples Gummed Kraft Catalog Envelopes, 12" x 15.5", Brown, 100/Box (SPL534784)~#|#~9C698824-DDED-41E2-8715827D5A85A654_sc7Staples Gummed Kraft Catalog Envelopes, 12" x 15.5", Brown, 100/Box (SPL534784)~#|#~1118643C-7156-4912-95CDB69B1951729C_sc7
Item: 534784
Model: ST50166
Price is $57.69
Unit of measure 100/Box
Free Next-Day eligible by Mon, Feb 09
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JAM Paper A9 Strathmore Invitation Envelopes, 5.75 x 8.75, Bright White Wove, 25/Pack (31911140)~#|#~m007159209_sc7JAM Paper A9 Strathmore Invitation Envelopes, 5.75 x 8.75, Bright White Wove, 25/Pack (31911140)~#|#~m007159208_sc7
Item: 262527
Model: 31911140
Price is $20.49
Unit of measure 25/Pack
Delivery by Fri, Feb 13
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JAM Paper Booklet Envelope, 9" x 12", Orange, 250/Box (5156772H)~#|#~sp4211420_sc7JAM Paper Booklet Envelope, 9" x 12", Orange, 250/Box (5156772H)~#|#~sp4211419_sc7
Item: 24006093
Model: 5156772H
No reviews yet
Price is $137.79
Unit of measure 250/Box
Free delivery by Fri, Feb 13
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Limelight (LUX-4880-101-50)~#|#~m005902342_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Limelight (LUX-4880-101-50)~#|#~m005823956_sc7
Item: 282784
Model: LUX-4880-101-50
Price is $15.95
Unit of measure 50/Pack
Delivery by Tue, Feb 17
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LUX #10 Full Face Window Envelopes (4 1/8 x 9 1/2) 250/Pack, 80lb. White (FFW-10-80W-250)~#|#~sp12274947_sc7LUX #10 Full Face Window Envelopes (4 1/8 x 9 1/2) 250/Pack, 80lb. White (FFW-10-80W-250)~#|#~sp12275015_sc7
Item: 24161910
Model: FFW-10-80W-250
Price is $125.19
Unit of measure 250/Pack
Free delivery by Tue, Feb 17
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Quality Park Redi-Seal Kraft Catalog Envelope, 9" x 12", Brown, 100/Bx (43511)~#|#~s0341571_sc7
Quality Park Redi-Seal Kraft Catalog Envelope, 9" x 12", Brown, 100/Bx (43511) is New at Staples
Item: QUA43511
Model: QUA43511
Price is $47.84
Unit of measure 100/Box
Free delivery by Wed, Feb 11
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There is something about a square flap on an envelope that denotes importance. It is no wonder then that many significant invitations and announcements are packaged in just such a wrapper. But don't make the mistake of thinking these classic mailers are just for personal use. Businesses can make a similar statement by choosing a square-flapped envelope, with or without a clear window. Peruse the dozens of options available from leading office supply brands like JAM Paper, LUX, and Staples.

Narrow Your Choices
Selecting a business envelope can be more daunting than you think. While it is nice to have choices, narrowing them down can be difficult. Square-flapped envelopes are available in dimensions ranging from 3 1/2" x 6" (the smallest commercial size available) to jumbo 13" x 19" mailers and everything in between, including the standard #10 envelope. As for color? Depending on your needs, 17 different color choices beckon, some with address windows, some without.

Not Quite Done Yet
You've determined your specific needs when it comes to color and size in a square-flapped envelope, but you're not quite done yet. Depending on what you are mailing, you may or may not need clear address windows. If you do need a window, how many and where should they be? Single left, single right, and double left windows are the most popular choices but not the only ones. A full-faced over-sized clear center window is also an option for special mailing projects.

Almost There
It should be apparent by now that the "one size fits all" days of business envelopes are long gone. As are the days when licking or using a sponge to seal them was the only choice. Yes, the old-school sealants are still available, but many other options are, too. Choose redi-seal strips that require no moisture or convenient peel-and-stick closures. Now that you have chosen your square envelope, purchase in packs of as few as 20 or as many as 1,000.