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LUX A2 (4 3/8 x 5 3/4) 50/Box, Midnight Black (F-4570-B-50)~#|#~m000081720_sc7
Item: 282476
Model: F-4570-B-50
No reviews yet
Price is $11.95
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper #10 Policy Business Colored Envelopes, 4 1/8" x 9 1/2", Red Recycled, 25/Pack (25048)~#|#~m002934135_sc7JAM Paper #10 Policy Business Colored Envelopes, 4 1/8" x 9 1/2", Red Recycled, 25/Pack (25048)~#|#~m002934134_sc7
Item: 263863
Model: 25048
No reviews yet
Price is $14.89
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A7 Foil Lined Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Black w/Gold LUX Lining (FLBK4880-04-250)~#|#~m000082007_sc7
Item: 387865
Model: FLBK4880-04-250
Price is $168.59
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 9 x 12 Booklet Envelopes, Green Recycled, 25/Pack (154124)~#|#~m003904704_sc7JAM Paper 9 x 12 Booklet Envelopes, Green Recycled, 25/Pack (154124)~#|#~m003904703_sc7
Item: 261278
Model: 154124
Price is $21.59
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 10 x 13 Booklet Strathmore Envelopes, Natural White Wove, 25/Pack (900797158)~#|#~m005744876_sc7JAM Paper 10 x 13 Booklet Strathmore Envelopes, Natural White Wove, 25/Pack (900797158)~#|#~m007159216_sc7
Item: 262557
Model: 900797158
No reviews yet
Price is $25.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 10 x 15 Open End Catalog Envelopes, White, 50/Pack (1623200i)~#|#~sp61031462_sc7JAM Paper 10 x 15 Open End Catalog Envelopes, White, 50/Pack (1623200i)~#|#~sp61031302_sc7
Item: 24006121
Model: 1623200I
No reviews yet
Price is $42.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Colored Invitation Envelopes, Red Recycled, 25/Pack (2792270)~#|#~m002934117_sc7JAM Paper 6 x 6 Square Colored Invitation Envelopes, Red Recycled, 25/Pack (2792270)~#|#~m002934116_sc7
Item: 260831
Model: 2792270
No reviews yet
Price is $25.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 50/Box, Black Linen (4872-BLI-50)~#|#~m000081688_sc7
Item: 282538
Model: 4872-BLI-50
No reviews yet
Price is $13.29
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper Self Seal Catalog Envelope, 6" x 9", Blue, 25/Pack (187947509)~#|#~EB38CF17-0CD8-4416-B05357B6D35F5BC5_sc7
Item: 24557912
Model: 187947509
No reviews yet
Price is $18.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Pack, White - 100% Recycled (4865-WPC-50)~#|#~sp14807832_sc7
Item: 24260390
Model: 4865-WPC-50
No reviews yet
Price is $14.69
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper 10 x 13 Open End Catalog Envelopes, Black, 100/Pack (87733)~#|#~B1D4FB9C-0CB6-4AC4-A48115CC37369FA3_sc7JAM Paper 10 x 13 Open End Catalog Envelopes, Black, 100/Pack (87733)~#|#~BEF8D724-0DA6-4440-8ADC3B053171968F_sc7
Item: 261785
Model: 87733
Price is $63.49
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 1000/Box, Pastel Green (SH4275-04-1000)~#|#~m000081941_sc7
Item: 388099
Model: SH4275-04-1000
No reviews yet
Price is $141.59
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Silver Metallic (5380-06-50)~#|#~m005902308_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Silver Metallic (5380-06-50)~#|#~m005823970_sc7
Item: 282823
Model: 5380-06-50
Price is $38.49
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX 10 x 10 Square Envelopes, 50/Box, 28lb. White (WS-5221-50)~#|#~m004063850_sc7
Item: 2146654
Model: WS-5221-50
No reviews yet
Price is $31.39
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper #12 Policy Business Envelopes, 4.75 x 11, White, 25/Pack (1623188)~#|#~sp116347490_sc7JAM Paper #12 Policy Business Envelopes, 4.75 x 11, White, 25/Pack (1623188)~#|#~sp116347483_sc7
Item: 366593
Model: 1623188
Price is $13.59
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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Ship-Lite Self Seal Booklet Envelope 10" x 15", White, 100/Carton (SLE10152WS)~#|#~053DC79A-B4F4-4B98-90604C3E0BD60009_sc7
Item: 947672
Model: SLE10152WS
Price is $192.19
Unit of measure 100/Carton
Free delivery by Mon, Feb 16
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JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Aqua, 50/Pack (21520986I)~#|#~m002934469_sc7JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Aqua, 50/Pack (21520986I)~#|#~m003904907_sc7
Item: 1588687
Model: 21520986I
No reviews yet
Price is $22.99
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper Tyvek Open End Clasp Catalog Envelope, 11 1/2" x 14 1/2", Red, 10/Pack (V021388B)~#|#~sp61031269_sc7JAM Paper Tyvek Open End Clasp Catalog Envelope, 11 1/2" x 14 1/2", Red, 10/Pack (V021388B)~#|#~sp61031267_sc7
Item: 1912861
Model: V021388B
Price is $22.69
Unit of measure 10/Pack
Delivery by Mon, Feb 16
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Lux Double Window Invoice Envelopes Citrus 4 1/8 x 9 1/2 inch 50/Pack~#|#~m002084678_sc7
Item: 1559063
Model: INVDW-L20-50
No reviews yet
Price is $49.89
Free delivery by Wed, Feb 18
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JAM Paper A10 Invitation Envelope, 6 1/2" x 9 1/2", White, 100/Pack (12039C)~#|#~sp115352023_sc7JAM Paper A10 Invitation Envelope, 6 1/2" x 9 1/2", White, 100/Pack (12039C)~#|#~sp115352019_sc7
Item: 2103320
Model: 12039C
Price is $31.29
Unit of measure 100/Pack
Delivery by Mon, Feb 16
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JAM Paper #5.5 Coin Business Colored Envelopes, 3.125 x 5.5, Ultra Lime Green, 25/Pack (356730546)~#|#~sp131391258_sc7JAM Paper #5.5 Coin Business Colored Envelopes, 3.125 x 5.5, Ultra Lime Green, 25/Pack (356730546)~#|#~sp131391257_sc7
Item: 2103447
Model: 356730546
No reviews yet
Price is $11.49
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper #7 Coin Business Colored Envelopes, 3.5 x 6.5, Ultra Lime Green, 50/Pack (1526752I)~#|#~sp131391291_sc7JAM Paper #7 Coin Business Colored Envelopes, 3.5 x 6.5, Ultra Lime Green, 50/Pack (1526752I)~#|#~sp131391290_sc7
Item: 2329347
Model: 1526752I
Price is $22.69
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Bright White Laid, 25/Pack (191166)~#|#~m002934323_sc7JAM Paper Strathmore #10 Business Envelope, 4 1/8" x 9 1/2", Bright White Laid, 25/Pack (191166)~#|#~m002934322_sc7
Item: 262487
Model: 191166
Price is $19.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 9 x 12 Booklet Colored Envelopes, Blue Recycled, 50/pack (5156774i)~#|#~sp129636841_sc7JAM Paper 9 x 12 Booklet Colored Envelopes, Blue Recycled, 50/pack (5156774i)~#|#~sp129636840_sc7
Item: 2478147
Model: 5156774I
Price is $38.49
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Vintage Plum (LUX-4880-104-50)~#|#~m005902345_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 50/Box, Vintage Plum (LUX-4880-104-50)~#|#~m005823979_sc7
Item: 282839
Model: LUX-4880-104-50
No reviews yet
Price is $15.95
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper A10 Kraft Invitation Envelopes, 6 x 9.5, Brown Kraft Paper Bag, 50/Pack (LEKR850I)~#|#~m004672455_sc7JAM Paper A10 Kraft Invitation Envelopes, 6 x 9.5, Brown Kraft Paper Bag, 50/Pack (LEKR850I)~#|#~m004672454_sc7
Item: 1588754
Model: LEKR850I
No reviews yet
Price is $31.29
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX A2 (4 3/8 x 5 3/4) 50/Box, Baby Blue (EX4870-13-50)~#|#~m000081767_sc7
Item: 282433
Model: EX4870-13-50
Price is $19.29
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes W/Glue, Amethyst Metallic Purple, 250/BX~#|#~m004940421_sc7LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes W/Glue, Amethyst Metallic Purple, 250/BX~#|#~m005823899_sc7
Item: 385007
Model: 5360-17-250
No reviews yet
Price is $109.99
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper Peel & Seal Kraft Open End #15 1/2 Catalog Envelope, 12" x 15 1/2", Brown, 500/Pack (13034236C)~#|#~sp20131888_sc7JAM Paper Peel & Seal Kraft Open End #15 1/2 Catalog Envelope, 12" x 15 1/2", Brown, 500/Pack (13034236C)~#|#~sp20131886_sc7
Item: 24295084
Model: 13034236C
No reviews yet
Price is $270.99
Unit of measure 500/Pack
Free delivery by Mon, Feb 16
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JAM Paper #10 Business Envelope 4 1/8" x 9 1/2", Dark Green, 25/Pack (21514959)~#|#~A39DBCEE-6D8E-406C-BAB9041C11DCCE40_sc7JAM Paper #10 Business Envelope 4 1/8" x 9 1/2", Dark Green, 25/Pack (21514959)~#|#~5A98AEEA-DBF2-495F-8F0DBF4444796919_sc7
Item: 2633063
Model: 21514959
Price is $18.89
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Peel & Seal Closure, A6, 4.9375 x 6.5625, Clear, 100/Pack (A6CELLO)~#|#~m000068416_sc7
Item: 262894
Model: A6CELLO
Price is $35.69
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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LUX #10 Square Flap Invitation Envelopes (4 1/8 x 9 1/2) 50/Pack, Pool (LUX-4860-102-50)~#|#~sp14807463_sc7
Item: 24260625
Model: LUX-4860-102-50
No reviews yet
Price is $25.19
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper Strathmore Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural White Wove, 50/Pack (34992I)~#|#~m007159127_sc7JAM Paper Strathmore Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural White Wove, 50/Pack (34992I)~#|#~m007159126_sc7
JAM Paper Strathmore Open End #10 Business Envelope, 4 1/8" x 9 1/2", Natural White Wove, 50/Pack (34992I) is Out of stock
Item: 1588542
Model: 34992I
No reviews yet
Price is $20.49
Unit of measure 50/Pack
JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Bright White Wove, 25/Pack (STTW711)~#|#~sp111772299_sc7JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Bright White Wove, 25/Pack (STTW711)~#|#~sp111772298_sc7
JAM Paper A7 Strathmore Invitation Envelopes, 5.25 x 7.25, Bright White Wove, 25/Pack (STTW711) is Out of stock
Item: 262525
Model: STTW711
Price is $12.69
Unit of measure 25/Pack
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.