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LUX A7 Foil Lined Invitation Envelopes (5 1/4 x 7 1/4) 250/Box, Silver w/Black LUX Lining (FLSL4880-02-250)~#|#~m000082077_sc7
Item: 387898
Model: FLSL4880-02-250
No reviews yet
Price is $110.29
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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JAM Paper 9 x 12 Booklet Envelopes, Green Recycled, Bulk 250/Box (154124h)~#|#~m003904704_sc7JAM Paper 9 x 12 Booklet Envelopes, Green Recycled, Bulk 250/Box (154124h)~#|#~m003904703_sc7
Item: 24052290
Model: 154124H
No reviews yet
Price is $152.09
Unit of measure 250/Box
Free delivery by Mon, Feb 16
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LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 1000/Box, Natural - 100% Recycled (4880-NPC-1000)~#|#~m005902297_sc7LUX A7 Invitation Envelopes (5 1/4 x 7 1/4) 1000/Box, Natural - 100% Recycled (4880-NPC-1000)~#|#~m000082049_sc7
Item: 516137
Model: 4880-NPC-1000
No reviews yet
Price is $247.19
Free delivery by Wed, Feb 18
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JAM Paper 6.5" x 6.5" Square Translucent Vellum Invitation Envelopes, Purple, 100/Pack (2812713B)~#|#~sp74308907_sc7JAM Paper 6.5" x 6.5" Square Translucent Vellum Invitation Envelopes, Purple, 100/Pack (2812713B)~#|#~sp74308931_sc7
Item: 38071
Model: 2812713B
No reviews yet
Price is $64.99
Unit of measure 100/Pack
Free delivery by Mon, Feb 16
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 500/Box, Amethyst Metallic (5375-17-500)~#|#~m000081892_sc7
Item: 385235
Model: 5375-17-500
No reviews yet
Price is $138.06
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 50/Box, Azalea Metallic (5375-24-50)~#|#~m000081895_sc7
Item: 282587
Model: 5375-24-50
No reviews yet
Price is $20.29
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX A8 Invitation Envelopes (5 1/2 x 8 1/8) 500/Box, Holiday Green (67211-500)~#|#~m000081752_sc7
Item: 385627
Model: 67211-500
No reviews yet
Price is $99.39
Unit of measure 500/Box
Free delivery by Wed, Feb 18
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JAM Paper 6.25 x 7.875 Open End Catalog Foil Envelopes with Peel & Seal Closure, Blue, 100/Pack (01323271B)~#|#~sp137085831_sc7
Item: 260942
Model: 01323271B
No reviews yet
Price is $108.99
Unit of measure 100/Box
Free delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 1000/Pack, Blush (LUX-4865-391000)~#|#~sp5822112_sc7LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 1000/Pack, Blush (LUX-4865-391000)~#|#~F88DF324-EA76-4780-89DDBA876EB8A008_sc7
Item: 23996533
Model: LUX-4865-391000
No reviews yet
Price is $140.91
Unit of measure 1000/Pack
Free delivery by Wed, Feb 18
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JAM Paper 7 1/2 x 7 1/2 Square Envelopes ,Smoke, 500 Pack, Gray (EX8555-22-500)~#|#~sp228873558_sc7
Item: 24578548
Model: EX8555-22-500
No reviews yet
Price is $102.66
Unit of measure 500/Pack
Free delivery by Mon, Feb 16
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LUX 4 1/8" x 9 1/2" #10 70lbs. Open End Envelopes, Smoke Gray, 50/Pack~#|#~m000081283_sc7
Item: 281894
Model: EX7716-22-50
No reviews yet
Price is $49.49
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper A7 Foil Lined Invitation Envelopes, 5.25 x 7.25, White with Red Foil, 50/Pack (83065I)~#|#~m005223351_sc7JAM Paper A7 Foil Lined Invitation Envelopes, 5.25 x 7.25, White with Red Foil, 50/Pack (83065I)~#|#~m005223350_sc7
Item: 1589214
Model: 83065I
Price is $27.19
Unit of measure 50/Pack
Delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Pack, Blush (LUX-4865-39-50)~#|#~sp5822112_sc7LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Pack, Blush (LUX-4865-39-50)~#|#~F88DF324-EA76-4780-89DDBA876EB8A008_sc7
Item: 23996538
Model: LUX-4865-39-50
No reviews yet
Price is $27.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 1000/Box, Grocery Bag (8505-GB-1000)~#|#~m000081525_sc7
Item: 514909
Model: 8505-GB-1000
No reviews yet
Price is $200.61
Free delivery by Wed, Feb 18
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JAM Paper A10 Metallic Invitation Envelopes, 6 x 9.5, Stardream Silver, 25/Pack (SD5390 06)~#|#~m004672469_sc7JAM Paper A10 Metallic Invitation Envelopes, 6 x 9.5, Stardream Silver, 25/Pack (SD5390 06)~#|#~m004672468_sc7
Item: 261990
Model: SD5390 06
No reviews yet
Price is $35.59
Unit of measure 25/Pack
Free delivery by Mon, Feb 16
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 9.25 x 9.25, Clear, 1000/Carton (9.25X9.25CELLOB)~#|#~m006948449_sc7
Item: 262943
Model: 9.25X9.25CELLOB
No reviews yet
Price is $416.99
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX Square Envelopes, 8-1/2" x 8-1/2", Silver Metallic, 1,000 Envelopes (8575-06-1M)~#|#~m003307876_sc7
Item: 1985002
Model: 8575-06-1M
No reviews yet
Price is $374.19
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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JAM Paper A10 Translucent Vellum Invitation Envelopes, 6 x 9.5, Clear, 50/Pack (31284I)~#|#~m002168469_sc7JAM Paper A10 Translucent Vellum Invitation Envelopes, 6 x 9.5, Clear, 50/Pack (31284I)~#|#~m002168468_sc7
Item: 1588885
Model: 31284I
No reviews yet
Price is $47.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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JAM Paper Booklet Envelopes, 9" x 12", Navy Blue, 500/Box (263916011d)~#|#~sp121512566_sc7JAM Paper Booklet Envelopes, 9" x 12", Navy Blue, 500/Box (263916011d)~#|#~sp121512565_sc7
Item: 2478159
Model: 263916011D
No reviews yet
Price is $327.99
Unit of measure 500/Box
Free delivery by Mon, Feb 16
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LUX 80lbs. 7" x 7" Square Envelopes W/Peel & Press, Wisteria Purple, 250/BX~#|#~m000081638_sc7
Item: 388769
Model: LUX-8545-106-25
No reviews yet
Price is $80.69
Unit of measure 250/Box
Free delivery by Wed, Feb 18
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 500/Box, Natural Linen (4865-NLI-500)~#|#~m000161369_sc7
Item: 515429
Model: 4865-NLI-500
Price is $80.89
Free delivery by Wed, Feb 18
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LUX 3.5 Mil 5 1/4"x7 1/4" A7 Invitation Envelopes W/Peel&Seal, Crystal Clear, 1000/BX~#|#~m000081564_sc7
Item: 514683
Model: CCA7-1000
No reviews yet
Price is $210.43
Free delivery by Wed, Feb 18
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 250/Box, Taupe Metallic (5375-M09-250)~#|#~m004063752_sc7
Item: 2145962
Model: 5375-M09-250
No reviews yet
Price is $95.59
Unit of measure 250/Pack
Free delivery by Wed, Feb 18
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LUX 10 x 13 Open End Envelopes 50/Pack, Electric Cherry (WS-5428-50)~#|#~sp5822112_sc7LUX 10 x 13 Open End Envelopes 50/Pack, Electric Cherry (WS-5428-50)~#|#~sp5873987_sc7
Item: 23995350
Model: WS-5428-50
No reviews yet
Price is $38.29
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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LUX A4 Invitation Envelopes (4 1/4 x 6 1/4) 500/Box, Holiday Red (4872-R-500)~#|#~m000081860_sc7
Item: 516232
Model: 4872-R-500
No reviews yet
Price is $102.19
Free delivery by Wed, Feb 18
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LUX #1 Coin Envelopes (2-1/4 x 3-1/2) 50/Pack, 80lb. Bright White (1CO-80W-50)~#|#~sp14807624_sc7
Item: 24261173
Model: 1CO-80W-50
No reviews yet
Price is $26.49
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Electric Orange, 1000/Pack (WS-7611-1000)~#|#~8C0B7760-54E5-4685-B6E8531BBB9EC0F8_sc7LUX Moistenable Glue Envelope 3 1/8" x 6 1/4", Electric Orange, 1000/Pack (WS-7611-1000)~#|#~59FF22A1-33F2-46B7-B0960876C5AFB9C0_sc7
Item: 23996862
Model: WS-7611-1000
No reviews yet
Price is $122.73
Unit of measure 1000/Pack
Free delivery by Wed, Feb 18
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 500/Pack, Blush (LUX-4875-39-500)~#|#~sp5822112_sc7LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 500/Pack, Blush (LUX-4875-39-500)~#|#~sp5874329_sc7
Item: 23996776
Model: LUX-4875-39-500
No reviews yet
Price is $106.89
Unit of measure 500/Pack
Free delivery by Wed, Feb 18
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JAM Paper Cellophane Envelope with Self-Adhesive Closure, 10 x 13, Clear, 1000/Carton (10X13CELLOB)~#|#~m000068422_sc7
Item: 262946
Model: 10X13CELLOB
No reviews yet
Price is $575.29
Unit of measure 1000/Carton
Free delivery by Mon, Feb 16
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LUX 5 x 5 Square Envelopes, 500/Box, Vintage Plum (LUX-8505-104500)~#|#~m000081534_sc7
Item: 516867
Model: LUX-8505-104500
No reviews yet
Price is $76.89
Free delivery by Wed, Feb 18
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JAM Paper 7.5 x 7.5 Square Invitation Envelopes, Chocolate Brown Recycled, 25/Pack (227912749)~#|#~sp4808464_sc7JAM Paper 7.5 x 7.5 Square Invitation Envelopes, Chocolate Brown Recycled, 25/Pack (227912749)~#|#~sp4808463_sc7
Item: 2632985
Model: 227912749
No reviews yet
Price is $30.99
Unit of measure 25/Pack
Delivery by Mon, Feb 16
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LUX A6 Invitation Envelopes (4 3/4 x 6 1/2) 1000/Box, Sunflower (EX4875-12-1000)~#|#~m000081956_sc7
Item: 386519
Model: EX4875-12-1000
No reviews yet
Price is $183.17
Unit of measure 1000/Box
Free delivery by Wed, Feb 18
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LUX 80lb 4 1/8"x9 1/2" Square Flap Metallic #10 Envelopes, Silver, 500/BX~#|#~m004940415_sc7LUX 80lb 4 1/8"x9 1/2" Square Flap Metallic #10 Envelopes, Silver, 500/BX~#|#~m005823916_sc7
Item: 516498
Model: 5360-06-500
No reviews yet
Price is $140.89
Free delivery by Wed, Feb 18
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LUX 5 x 5 Square Envelopes, 50/Box, Clear Translucent (8505-50-50)~#|#~m000081524_sc7
Item: 282155
Model: 8505-50-50
No reviews yet
Price is $41.79
Unit of measure 50/Pack
Free delivery by Wed, Feb 18
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JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Primary Yellow, 50/Pack (PACV506I)~#|#~m003905174_sc7JAM Paper 5.5 x 5.5 Square Translucent Vellum Invitation Envelopes, Primary Yellow, 50/Pack (PACV506I)~#|#~m003905173_sc7
Item: 1588524
Model: PACV506I
No reviews yet
Price is $58.99
Unit of measure 50/Pack
Free delivery by Mon, Feb 16
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LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) 50/Box, Ruby Red (EX4865-18-50)~#|#~m000081733_sc7
Item: 282397
Model: EX4865-18-50
No reviews yet
Price is $16.89
Unit of measure 50/Pack
Delivery by Wed, Feb 18
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JAM Paper A7 Foil Lined Invitation Envelopes, 5.25 x 7.25, Black Linen with Silver Foil, Bulk 250/Box (3243688H)~#|#~m002934253_sc7
Item: 1589686
Model: 3243688H
No reviews yet
Price is $127.99
Unit of measure 250/Box
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.