Square-Flap Envelopes

6 results
JAM Paper Plastic Envelopes with Tuck Flap Closure, Square, 6.125 x 6.125, Clear, 12/Pack (1541747) image 1
Item: 262880
Model: 1541747

JAM Paper® Clear Square Plastic Envelopes with Tuck Flap Closures are slightly more than 6 square inches (6 1/8in x 6 1/8in) and are made of thin and flexible, yet durable transparent plastic. This pack includes 12 envelopes. Use them to store and protect documents, smaller papers, receipts, coupons, checks, and small items like keys and USB drives. Their clear quality gives you the option to view their contents from the outside, helping you to find things more quickly and easily. The perfectly square shape of these envelopes fits easily into drawers and onto shelves to help you organize all of your papers and office supplies with ease!.Size: 6.13" x 6.13".Closure: Tuck flap.Material: Plastic.The tuck flap closure on these envelopes is dependable.12 per pack.JAM Paper® 6.13" x 6.13" Clear plastic envelope is made up of natural vellum paper and is acid free.

Price is  $33.69
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JAM Paper 5 x 5 Square Invitation Envelopes with Euro Flap, Ivory, 25/Pack (2792256) image 1
Item: 263749
Model: 2792256

Get recipients excited to open your mail with JAM Paper® Square Envelopes! When these ivory square envelopes arrive in your guests' mailboxes, they'll be calling you up immediately to RSVP and compliment your choice of envelope (there's a first time for everything, right?). Insert invitations, greeting cards, and more into these 5" x 5" unique envelopes and you'll never look back. However you use, our high quality envelopes provide versatility and style. This pack contains 25 5" x 5" envelopes, and each has a square opening, V-flap, gum closure, smooth finish, and is made from 24 lb. paper..Size: 5" x 5".Closure: Gum.Opening: Square.Material: Paper.Finish: Smooth.Envelope type: Business.Elegant envelope.Paper weight: 24 lbs..25 envelopes per carton.JAM Paper® Ivory 5 x 5 square envelopes in a carton of 25 gives elegant look and features a V flap.

Price is  $25.99
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LUX 10" x 13" 80lbs. Square Flap Open End Envelopes, Midnight Black, 50/Pack image 1
Item: 282045
Model: 87733-50

LUX Midnight black open end envelope with a moistenable glue flap on short side helps hold things from falling out when opened. Envelope of size 10" x 13" has a paper weight of 80 lbs. and is sold as 50 per pack..Midnight black.Size: 10" x 13".Closure: Moistenable glue.Opening: Open end.Material: Paper.Finish: Smooth.Flap: Square.Collection: Exclusive.Paper weight: 80 lbs..50 envelopes per pack.Laser compatible.It's easy to customize your envelope.Add a printed return address or upload a design using your digital file.LUX Open end envelope in midnight black color has a dimension of 10" x 13" is used for sending flat, heavy materials or many small items like coins, catalogs and jumbo cards, is sold as 50 per pack.

Price is  $47.49
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LUX A7 Square Flap Invitation Envelopes with Peel & Press, 5.25" x 7.25", White, 50/Pack (4880-WPP-50) image 1
Item: 282722
Model: 4880-WPP-50

No need to seal with an envelope moistener or tongue, just Peel...and Press. Constructed with a side seam design on the back of the envelope. 60lb. Bright White A7 Invitation Envelopes measure 5 1/4 in x 7 1/4 in (5.25 x 7.25 inches) and are the perfect invitation envelope for invitations, announcements, holiday cards, greeting cards, 5 x 7 cards, 5 x 7 photos, letters, personal mail, direct mail and more..Laser and inkjet printer compatible.Choose from an assortment of delightful colors and send your next invitation or letter in style.A7 style is a multipurpose envelope, ideal for social and announcement functions, it may also be utilized as an outer envelope for invitation purposes.Boasting a smart-looking square flap, the A7 envelope fits inside envelope sizes A8, A9, A10.Standard weight for envelopes, great for everyday business.Though it is the least expensive white paper, it isn't "cheap" looking.Finish: Smooth.Made from high-quality, durable 60lb. paper (Refer to our Paper Weight Guide for clarification). Features a modern square flap, easily sealed by a Peel & Press Strip.

Price is  $26.09
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LUX 70lb 4 1/8"x9 1/2" Square Flap Linen Envelopes, White, 500/BX image 1
Item: 513618
Model: 4860-WLI-500

LUX® Square flap envelope in white linen color features a peel and a press flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser compatible, with weight of 70 lbs, sold as 500 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in White Linen, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Closure: Peel & press.Perfect for personal or corporate business.Material: Paper.Collection: Linen.Paper weight: 70 lbs..Ideal for long, narrow invitations or announcements.Laser compatible.Available in an astounding 67 color options, pair with matching paper and make your own elegant custom stationery sets.30% post consumer fiber recycled.500/box.LUX® Square flap envelope in white linen color measures #10 (4 1/8" x 9 1/2") and is ideal for personal or corporate business, sold as 500 per box.

Price is  $110.09
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LUX 80lb 4 1/8"x9 1/2" Square Flap #10 Envelopes, Natural, 500/BX image 1
Item: 513623
Model: 4860-NPC-500

LUX® Square flap envelope in natural color features a peel and a press flap for secured sealing. #10 (4 1/8" x 9 1/2") Envelope containing 100 percent recycled content is laser/inkjet compatible, sold as 500 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Natural - 100% Recycled, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Closure: Peel & press.Perfect for personal or corporate business.Material: Paper.Collection: Natural.Paper weight: 80 lbs..Ideal for long, narrow invitations or announcements.Laser and inkjet printer compatible.Available in an astounding 67 color options, pair with matching paper and make your own elegant custom stationery sets.Acid Free, neutral pH and totally Chlorine Free.100% post consumer fiber and 100% recycled.Prints and performs like premium paper.FSC certified.500/box.LUX® Square flap envelope in natural color measures #10 (4 1/8" x 9 1/2") and contains 100 percent recycled content which is ideal for personal or corporate business, sold as 500 per box.

Price is  $147.39
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LUX 80lb 6"x9 1/2" Square Flap Envelopes W/Peel&Press, Bright White, 500/BX image 1
Item: 513953
Model: FE4590-05-500

LUX A10 Invitation Envelopes (6 x 9 1/2) are perfect for party invites/thank you cards/wedding invites/announcements, sold as 500 per box.500/box.Bright white.Size: A10 (6"x9 1/2").Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection: White.Spacious envelope is both practical and stylish, featuring an attractive square flap.A10 is perfect for larger invitations.LUX A10 Invitation Envelopes (6 x 9 1/2) are perfect for Invitations, Weddings, Announcements, Photos, and so much more!

Price is  $198.39
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LUX 80lb 4 1/8"x9 1/2" Square Flap Metallic #10 Envelopes, Silver, 500/BX image 1
Item: 516498
Model: 5360-06-500

LUX® Square flap envelope in silver metallic color features a peel and a press flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser compatible, with weight of 80 lbs, sold as 500 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Silver Metallic, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Closure: Peel & press.Opening: Square flap.Material: Paper.Collection name: Metallics.Paper weight: 80 lbs..Laser and inkjet printer compatible.Ideal for long, narrow invitations or announcements.14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.Making it the perfect choice for elegant affairs as well as business purposes.Pair with matching paper and make own elegant custom stationery sets.Modern way to convey quality and add personality, with sparkle and shimmer.500/box.4 1/8"x9 1/2" silver metallic #10 square flap envelopes with peel and press sealing method is great for personal or corporate businessand sold as 500/box.

Price is  $144.49
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LUX 70lb 4 1/8"x9 1/2" Square Flap #10 Envelopes, Bright White, 500/BX image 1
Item: 513630
Model: 4860-70W-500

LUX® Square flap envelope in bright white color features a moistenable glue flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser compatible, with weight of 70 lbs, sold as 500 per box..500/box.Bright white.Size: #10 (4 1/8"x9 1/2").Closure: Moistenable glue.Perfect choice for elegant affairs as well as business purposes.Material: Paper.Collection: White.Paper weight: 70 lbs..Ideal for long, narrow invitations or announcements.Laser compatible.Available in an astounding 67 color options, pair with matching paper and make your own elegant custom stationery sets.LUX 70lb. Bright White #10 Square Flap Envelopes (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.

Price is  $107.59
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LUX #10 Square Flap Envelopes (4 1/8 x 9 1/2) 50/Pack, 70lb. Bright White (4860-70W-50) image 1
Item: 24260394
Model: 4860-70W-50

LUX #10 Square Flap Envelopes (4 1/8 x 9 1/2) in 70lb. Bright White are perfect for mailing Checks/Invoices/Letterhead/Personal Letters/Statements/Direct Mail, sold as 50 per box..Dimensions: 4.125"L x 9.5"W.Comes in 70lb. Bright White.Sold as 50 per box.USES: Checks, Invoices, Letterhead, Personal Letters, Statements, Bills, Flyers. Applications: Business Mailings, Direct Mail, Corporate Mailings, Financial Mailings, Personal Mail..LUX #10 Square Flap Envelopes (4 1/8 x 9 1/2) in 70lb. Bright White are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!

Price is  $16.09
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Natural, 1000/BX image 1
Item: 384587
Model: 4860-NPC-1000

LUX® Size 10 Square flap envelope in natural color has peel and press design for sealing while being compatible with laser and inkjet printers. 4 1/8 " x 9 1/2" Envelope of 80 lbs paper weight is sold as 1000 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Natural - 100% Recycled, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 1000 Envelopes per pack.Peel and press closure with square flap.Perfect for personal or corporate business.Material: Paper.Collection: Natural.Laser and inkjet printer compatible.Prints and performs like premium paper.Neutral pH and totally chlorine free.LUX 80lb. Natural - 100% Recycled #10 Square Flap Envelopes (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.

Price is  $184.29
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LUX 80lb 4 1/8"x9 1/2" Square Flap #10 Envelopes, Smoke Gray, 500/BX image 1
Item: 516408
Model: EX4860-22-500

LUX® Square flap envelope in smoke color features a peel & a press flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser compatible, with weight of 80 lbs, sold as 500 per box..Smoke.Size: #10 (4 1/8"x9 1/2").Closure: Peel & press.Opening: Square flap.Material: Paper.Collection name: Exclusive.Paper weight: 80 lbs..Laser printer compatible.Ideal for long, narrow invitations or announcements.14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.Making it the perfect choice for elegant affairs as well as business purposes.Line of top quality imported paper.500/box.#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Smoke, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 500 Envelopes per pack.LUX® Square flap envelope in smoke color measures #10 (4 1/8" x 9 1/2") & is ideal for personal or corporate business, sold as 500 per box.

Price is  $137.99
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Gold Metallic, 500/BX image 1
Item: 384980
Model: 5360-07-500

LUX® Size 10 square flap envelope in gold metallic color features peel and press design for secure sealing while being compatible with laser printers. 4 1/8" x 9 1/2" Envelope of 80 lbs paper weight is sold as 500..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Gold Metallic, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 500 Envelopes per pack.Moistenable glue closure with square flap.Perfect for personal or corporate business.Material: Paper.Collection: Metallics.Paper weight: 80 lbs..A modern way to convey quality and add personality, with sparkle and shimmer that stands out.Laser printer compatible.LUX® Size 10 square flap envelope in gold metallic color of size 4 1/8" x 9 1/2" forms a perfect choice for personal or corporate business use and is sold as 500 per box.

Price is  $206.39
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LUX 80lb 4 1/8"x9 1/2" Square Flap #10 Envelopes W/Peel&Press, Midnight Black, 500/BX image 1
Item: 514145
Model: F-4560-B-500

LUX® Envelope in midnight black color features attractive square flap with a peel and a press for secure sealing. Envelope measuring #10 (4 1/8" x 9 1/2") has a paper weight of 80 lbs and is sold as 500 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Midnight Black, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Contains 500 Envelopes per pack.Closure: Peel & press.Opening: Square flap.Material: Paper.Collection name: Black.Legal or "Business" size envelope is most common, but there are 14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.The mail system workhorse, great for personal or corporate business.500/box."Legal" or "Business" size envelope is most common, but there are 14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.LUX® Square flap envelope in midnight black color of size #10 (4 1/8" x 9 1/2") is best suited for personal or corporate business and is sold as 500 per box.

Price is  $80.79
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LUX 60lb 4 1/8"x9 1/2" Square Flap #10 Envelopes W/Peel&Press, White W/Red LUX, 500/BX image 1
Item: 516402
Model: FLWH4260-01-500

LUX® Envelope in white with red LUX lining color features square flap with a peel and a press for sealing. Envelope measuring #10 (4 1/8" x 9 1/2") has paper weight of 60 lbs and is compatible with laser, inkjet, sold as 500 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in White w/Red LUX Lining, 60lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 500 Envelopes per pack.Closure: Peel & press.Opening: Square flap.Material: Paper.Collection name: Color linings.Paper weight: 60 lbs..Laser and inkjet printer compatible.500/box.LUX® Envelope in white with red LUX lining color of size #10 (4 1/8" x 9 1/2") is the perfect choice for long, narrow invitations or announcements and is sold as 500 per box.

Price is  $170.29
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LUX 80lb 4 1/8"x9 1/2" Square Flap Metallic #10 Envelopes, Bronze, 500/BX image 1
Item: 516491
Model: 5360-12-500

LUX® Square flap envelope in bronze metallic color features a peel and a press flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser compatible, with weight of 80 lbs, sold as 500 per box..Bronze square.Size: #10 (4 1/8"x9 1/2").Closure: Peel & press.Opening: Square flap.Material: Paper.Collection name: Metallics.Paper weight: 80 lbs..Laser and inkjet printer compatible.Ideal for long, narrow invitations or announcements.14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.Making it the perfect choice for elegant affairs as well as business purposes.Pair with matching paper and make own elegant custom stationery sets.Modern way to convey quality and add personality, with sparkle and shimmer.500/box.4 1/8"x9 1/2" bronze metallic #10 square flap envelopes with peel and press sealing method is great for personal or corporate businessand sold as 500/box.

Price is  $161.29
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LUX 70lb 4 1/8"x9 1/2" Square Flap #10 Envelopes, Grocery Bag Brown, 500/BX image 1
Item: 516499
Model: 4860-GB-500

LUX® Square flap envelope in grocery bag color features a peel and a press flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser/inkjet compatible, with weight of 70 lbs, sold as 500 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Grocery Bag, 70lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Closure: Peel & press.Opening: Square flap.Material: Paper.Collection name: Earthtones.Paper weight: 70 lbs..Laser and inkjet printer compatible.Ideal for long, narrow invitations or announcements.14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.Making it the perfect choice for elegant affairs as well as business purposes.Pair with matching paper and make own elegant custom stationery sets.Collection of colors found in nature and natural materials.500/box.4 1/8"x9 1/2" grocery bag #10 square flap envelopes with peel and press sealing method is great for personal or corporate businessand sold as 500/box.

Price is  $111.19
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Gold Metallic, 1000/BX image 1
Item: 384975
Model: 5360-07-1000

LUX® Size 10 square flap envelope in gold metallic color features moistenable glue for secure sealing and is suitable with laser printers. 4 1/8" x 9 1/2" Envelope of 80 lbs paper weight is sold as 1000 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Gold Metallic, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 1000 Envelopes per pack.Moistenable glue closure with square flap.Perfect for personal or corporate business.Material: Paper.Collection: Metallics.Paper weight: 80 lbs..Laser printer compatible.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.LUX® Size 10 square flap envelope in gold metallic color measuring 4 1/8" x 9 1/2" forms an ideal choice for personal or corporate business purposes and is sold as 1000 per box.

Price is  $299.49
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Midnight Black, 1000/BX image 1
Item: 387484
Model: F-4560-B-1000

LUX® Size 10 square flap envelope in midnight black color features peel and press design for secure sealing and is ideal for invoice or sales piece. 4 1/8" x 9 1/2" Envelope of 80 lbs paper weight is sold as 1000..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Midnight Black, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 1000 Envelopes per pack.Collection: Black.Most common, but there are 14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence.LUX® Size 10 square flap envelope in midnight black color measuring 4 1/8" x 9 1/2" forms a perfect choice for personal or corporate business use and is sold as 1000.

Price is  $211.49
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LUX 80lbs. 4 1/8" x 9 1/2" Metallic Square Flap Envelopes, Anthracite Metallic Gray, 1000/BX image 1
Item: 385004
Model: 5360-15-1000

LUX® Size 10 square flap envelope in anthracite metallic color features moistenable glue for secure sealing and is compatible with laser printers. 4 1/8" x 9 1/2" Envelope of 80 lbs paper weight is sold as 1000 per box..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Anthracite Metallic, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 1000 Envelopes per pack.Peel and press closure with square flap.Perfect for personal or corporate business.Material: Paper.Collection: Metallics.Paper weight: 80 lbs..Laser printer compatible.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.LUX® Size 10 square flap envelope in anthracite metallic color of size 4 1/8" x 9 1/2" forms an ideal choice for personal or corporate business use and is sold as 1000 per box.

Price is  $270.81
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LUX 70lb 4 1/8"x9 1/2" Square Flap #10 Envelopes, Bright White, 250/Box image 1
Item: 513631
Model: 4860-70W-250

LUX® Square flap envelope in bright white color features a moistenable glue flap for secured sealing. Envelope measuring #10 (4 1/8" x 9 1/2") is laser compatible, with weight of 70 lbs, sold as 250 per box..250/box.Bright white.Size: #10 (4 1/8"x9 1/2").Closure: Moistenable glue.Perfect choice for elegant affairs as well as business purposes.Material: Paper.Collection: White.Paper weight: 70 lbs..Ideal for long, narrow invitations or announcements.Laser compatible.Available in an astounding 67 color options, pair with matching paper and make your own elegant custom stationery sets.LUX 70lb. Bright White #10 Square Flap Envelopes (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.

Price is  $56.69
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LUX 80lbs. 4 1/8" x 9 1/2" #10 Square Flap Envelopes, Anthracite Metallic Gray, 250/BX image 1
Item: 385005
Model: 5360-15-250

LUX® Size 10 square flap envelope in anthracite metallic color features peel and press design for secure sealing while being compatible with laser printers. 4 1/8" x 9 1/2" Envelope of 80 lbs paper weight is sold as 250..#10 Square Flap Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Anthracite Metallic, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Peel & Press Sealing Method.Contains 250 Envelopes per pack.Peel and press closure with square flap.Perfect for personal or corporate business.Material: Paper.Collection: Metallics.Paper weight: 80 lbs..A modern way to convey quality and add personality, with sparkle and shimmer that stands out.Laser printer compatible.LUX® Size 10 square flap envelope in anthracite metallic color of measuring 4 1/8" x 9 1/2" forms the right choice for personal or corporate business use and is sold as 250 per box.

Price is  $110.89
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About Square-Flap Envelopes

Square-flap envelopes are a versatile packaging solution ideal for both personal and professional correspondence. Their unique design not only adds a touch of elegance but also ensures that your documents are securely enclosed, making them perfect for invitations, announcements, and important letters.

These envelopes come in various sizes and colors, allowing you to choose the perfect match for your needs. Their distinctive square flap adds a modern flair, making them a popular choice for creative projects and formal communications alike.

When selecting square-flap envelopes, consider the paper weight and finish to ensure durability and a professional appearance. Options with self-seal or peel-and-stick closures provide added convenience, making it easy to secure your contents without the need for additional adhesives.

Additionally, look for envelopes that offer a variety of colors and textures to enhance your branding or personal style. Whether you need a classic white or a vibrant hue, these envelopes can elevate your presentation and make a lasting impression.