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LUX 5 x 5 Square Envelopes, 250/Box, Midnight Black (F-8505-B-250)~#|#~m000081489_sc7
Item: 387525
Model: F-8505-B-250
No reviews yet
Price is $88.09
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX A4 Foil Lined Invitation Envelopes (4 1/4 x 6 1/4) 250/Box, Smoke w/Silver LUX Lining (FLSM4872-03-250)~#|#~m000081876_sc7
Item: 513842
Model: FLSM4872-03-250
Price is $112.89
Free delivery by Wed, Feb 18
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LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Electric Orange, 500/Pack (WS-7611-500)~#|#~E57CB32D-215A-4DE5-BA529881E162AA9E_sc7LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Electric Orange, 500/Pack (WS-7611-500)~#|#~59043B3F-1198-4F9B-A0D39F17DE20C945_sc7
Item: 23996822
Model: WS-7611-500
No reviews yet
Price is $76.89
Unit of measure 500/Pack
Free delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 1000/Box, Magenta (EX4880-10-1000)~#|#~m000082045_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 1000/Box, Magenta (EX4880-10-1000)~#|#~m001623008_sc7
Item: 514307
Model: EX4880-10-1000
No reviews yet
Price is $204.79
Free delivery by Wed, Feb 18
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Quality Park Redi-Strip Self Seal Catalog Envelope, 9" x 12", White, 100/Box (QUA44926)
Item: QUA44926
Model: QUA44926
Price is $107.54
Unit of measure 1/Box
Free delivery by Thu, Feb 12
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LUX 6 1/2 x 6 1/2 Square Envelopes 50/Pack, Pool (LUX-8535-102-50)~#|#~sp14807804_sc7
Item: 24260434
Model: LUX-8535-102-50
No reviews yet
Price is $22.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, Bulk 250/Box (V01209H)~#|#~m003905209_sc7JAM Paper 5 x 5 Square Invitation Envelopes, Black Linen, Bulk 250/Box (V01209H)~#|#~m003905208_sc7
Item: 1589756
Model: V01209H
No reviews yet
Price is $236.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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LUX 5 x 5 Square Envelopes, 500/Box, Limelight (LUX-8505-101500)~#|#~m000081527_sc7
Item: 517216
Model: LUX-8505-101500
No reviews yet
Price is $92.77
Free delivery by Wed, Feb 18
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LUX #1 Coin Envelopes (2 1/4 x 3 1/2) 250/Box, Lilac (LUX-1CO-05-250)~#|#~m001149700_sc7
Item: 1028548
Model: LUX-1CO-05-250
No reviews yet
Price is $105.49
Free delivery by Wed, Feb 18
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JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Red, 25/Pack (31511321)~#|#~m002934222_sc7JAM Paper A9 Invitation Envelopes, 5.75 x 8.75, Dark Red, 25/Pack (31511321)~#|#~m002934221_sc7
Item: 261403
Model: 31511321
No reviews yet
Price is $20.49
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) 250/Box, Aquamarine Metallic (5365-02-250)~#|#~m000081684_sc7
Item: 385052
Model: 5365-02-250
No reviews yet
Price is $70.39
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Red Recycled, Bulk 250/Box (67503H)~#|#~sp115352048_sc7JAM Paper A6 Colored Invitation Envelopes, 4.75 x 6.5, Red Recycled, Bulk 250/Box (67503H)~#|#~sp115352047_sc7
Item: 1589098
Model: 67503H
No reviews yet
Price is $81.29
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Primary Yellow, 50/Pack (1591616I)~#|#~m003904760_sc7JAM Paper 4Bar A1 Translucent Vellum Invitation Envelopes, 3.625 x 5.125, Primary Yellow, 50/Pack (1591616I)~#|#~m003904759_sc7
Item: 1588799
Model: 1591616I
No reviews yet
Price is $39.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Pastel Green, 50/Pack (WS-7613-50)~#|#~31ADDF43-21C1-4FA7-B3E14C535F11FF91_sc7LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Pastel Green, 50/Pack (WS-7613-50)~#|#~A3AAB715-7560-4359-8EC60CDCF09B5F88_sc7
Item: 23996710
Model: WS-7613-50
Price is $13.25
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A8 Foil Lined Invitation Envelopes (5 1/2 x 8 1/8) 500/Box, White w/Silver LUX Lining (FLWH4885-03-500)~#|#~m000082136_sc7
Item: 513792
Model: FLWH4885-03-500
No reviews yet
Price is $144.65
Free delivery by Wed, Feb 18
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JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Primary Yellow, 50/Pack (PACV606I)~#|#~m003905183_sc7JAM Paper A2 Translucent Vellum Invitation Envelopes, 4.375 x 5.75, Primary Yellow, 50/Pack (PACV606I)~#|#~m003905182_sc7
Item: 1589048
Model: PACV606I
No reviews yet
Price is $39.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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LUX A2 (4 3/8 x 5 3/4) 500/Box, Azalea Metallic (5370-24-500)~#|#~m000081766_sc7
Item: 515770
Model: 5370-24-500
No reviews yet
Price is $110.89
Free delivery by Wed, Feb 18
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70 lb 5 3/4" x 5 3/4" Peel & Press Square Envelopes, Grocery Bag Brown, 500/Box~#|#~m000081634_sc7
Item: 1028581
Model: 8520-GB-500
No reviews yet
Price is $117.98
Free delivery by Wed, Feb 18
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Box, Smoke (EX4880-22-500)~#|#~m005902333_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 500/Box, Smoke (EX4880-22-500)~#|#~m000082080_sc7
Item: 514245
Model: EX4880-22-500
No reviews yet
Price is $139.16
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Invitation Envelopes, Dark Purple, 25/Pack (563912522)~#|#~m003905005_sc7JAM Paper 6 x 6 Square Invitation Envelopes, Dark Purple, 25/Pack (563912522)~#|#~m003905004_sc7
Item: 261630
Model: 563912522
No reviews yet
Price is $35.59
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 250/Box, Natural White - 100% Cotton (4865-SN-250)~#|#~m000161368_sc7
Item: 384671
Model: 4865-SN-250
No reviews yet
Price is $72.09
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 7 1/2 x 7 1/2 Square Envelopes, Sunflower, 250 Pack, Yellow (EX8555-12-250)~#|#~sp228873516_sc7
Item: 24578458
Model: EX8555-12-250
No reviews yet
Price is $50.39
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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LUX Square Envelopes, 9" x 9", Silver Metallic, 1,000 Envelopes (8565-06-1M)~#|#~m003307876_sc7
Item: 1985038
Model: 8585-06-1M
No reviews yet
Price is $326.90
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 250/Box, Baby Blue (LUX-4872-13-250)~#|#~m000081851_sc7
Item: 513685
Model: LUX-4872-13-250
No reviews yet
Price is $75.89
Free delivery by Wed, Feb 18
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JAM Paper 6 x 6 Square Foil Lined Invitation Envelopes, White with Silver Foil, 25/Pack (3244688)~#|#~m004671941_sc7JAM Paper 6 x 6 Square Foil Lined Invitation Envelopes, White with Silver Foil, 25/Pack (3244688)~#|#~m004671940_sc7
Item: 262778
Model: 3244688
No reviews yet
Price is $18.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Invitation Envelopes, Black Linen, 25/Pack (V01212)~#|#~m003905215_sc7JAM Paper 6 x 6 Square Invitation Envelopes, Black Linen, 25/Pack (V01212)~#|#~m003905214_sc7
Item: 261576
Model: V01212
No reviews yet
Price is $29.89
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Red, 50/Pack (31511323I)~#|#~m002934226_sc7JAM Paper 8.5 x 8.5 Square Invitation Envelopes, Dark Red, 50/Pack (31511323I)~#|#~m002934225_sc7
Item: 1588466
Model: 31511323I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper 6 x 6 Square Metallic Invitation Envelopes, Stardream Silver, Bulk 250/Box (V018307H)~#|#~m004672492_sc7JAM Paper 6 x 6 Square Metallic Invitation Envelopes, Stardream Silver, Bulk 250/Box (V018307H)~#|#~m004672491_sc7
Item: 1589821
Model: V018307H
No reviews yet
Price is $314.99
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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JAM Paper Expandable Booklet Envelopes with Peel & Seal Closure, 10 x 12 x 4, White, 250/Box (376634193b)~#|#~sp74203593_sc7JAM Paper Expandable Booklet Envelopes with Peel & Seal Closure, 10 x 12 x 4, White, 250/Box (376634193b)~#|#~sp74203844_sc7
Item: 24295244
Model: 376634193B
No reviews yet
Price is $716.39
Unit of measure 250/Pack
Free delivery by Mon, Feb 16
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LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, 70lb. Bright White (10902-250)~#|#~m000081469_sc7
Item: 383912
Model: 10902-250
No reviews yet
Price is $96.89
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Silver Stardream, 50/Pack (900905922I)~#|#~m004672038_sc7JAM Paper Open End #10 Currency Envelope, 4 1/8" x 9 1/2", Silver Stardream, 50/Pack (900905922I)~#|#~m004672037_sc7
Item: 1588582
Model: 900905922I
Price is $65.89
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 5.25 x 5.25, Clear, 1000/Carton (5.25X5.25CELLOB)~#|#~m000068419_sc7
Item: 262930
Model: 5.25X5.25CELLOB
No reviews yet
Price is $261.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Silver Metallic (5365-06-500)~#|#~m000081736_sc7
Item: 515869
Model: 5365-06-500
No reviews yet
Price is $116.29
Free delivery by Wed, Feb 18
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LUX 5 1/2 x 5 1/2 Square Envelopes, 250/Box, Seafoam (LUX-8515-113250)~#|#~m000081498_sc7
Item: 516887
Model: LUX-8515-113250
No reviews yet
Price is $108.24
Free delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 1000/Box, Natural (8535-03-1000)~#|#~m000081579_sc7
Item: 385763
Model: 8535-03-1000
No reviews yet
Price is $144.31
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX A2 (4 3/8 x 5 3/4) 1000/Box, Limelight (LUX-4870-101-10)~#|#~m000081798_sc7
Item: 388542
Model: LUX-4870-101-10
No reviews yet
Price is $125.82
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX 6 1/2 x 6 1/2 Square Envelopes, 1000/Box, Mandarin (EX8535-11-1000)~#|#~m000081577_sc7
Item: 387316
Model: EX8535-11-1000
No reviews yet
Price is $256.08
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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JAM Paper Booklet Envelopes with Peel & Seal Closure, 6 x 11.375, White, 500/Box (367934165)~#|#~sp137085720_sc7
Item: 24295264
Model: 367934165
No reviews yet
Price is $365.49
Unit of measure 500/Pack
Free delivery by Mon, Feb 16
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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.