Flat Mailing Envelopes

155 results
Staples EasyClose Booklet Envelopes, 6" x 9", White, 250/Box (SPL570225) image 1
Item: 570225
Model: ST50157

Give mail a professional appearance with these white wove side-opening booklet envelopes. The 28-pound wove construction protects contents from moisture, dirt, and damage, while the side-open design lets you easily insert and remove documents. These Staples EasyClose wove side-opening booklet envelopes are white, so dark text and images are easy to read..Booklet envelopes keep your documents flat in the mail.Envelope size: 6"H x 9"W.EasyClose peel-and-stick closures to speed up mail preparation time.Square flap with adhesive strip.Made of white wove paper.250 envelopes per box.Ensure that invoices, notices, and other documents arrive clean and undamaged with this 250-pack of Staples EasyClose 6 x 9-inch white wove side-opening booklet envelopes

Price is  $51.99
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LUX 6 x 9 Open End Envelopes, 50/Box, Black Linen (1644-BLI-50) image 1
Item: 1030019
Model: 1644-BLI-50

LUX™ Open end linen envelope in black color has flap for easy filling with peel & press secure sealing type. Envelope measuring 6" x 9" is ideal for holding like coins/jumbo cards, sold as 50 per pack..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in Black Linen, 80lb. Text Paper.Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Finish: Linen.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX™ Open end linen envelope in black color measuring 6" x 9" is compatible with laser/inkjet printer and has a paper weight of 80 lbs for added strength/quality, sold as 50 per pack.

Price is  $45.79
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JAM Paper Open End Booklet Envelopes, Peel & Press, 9" x 12", Bright White, 1000/Pack (12328-1M) image 1
Item: 24578343
Model: 12328-1M

9 x 12 Booklet Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $213.09
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LUX 6 x 11 1/2 Kraft Open End Envelopes, 50/Box, 28lb. Gray Kraft (61112-GK-50) image 1
Item: 2146238
Model: 61112-GK-50

Look no further, this hard-to-find open end, multipurpose envelope tells the recipient that you wanted to use the best! Great for sending flat, bulky materials or multiple small items like coins, catalogs and jumbo cards. Flap is on the short side, helping to keep things from falling out after opening. Also called a "catalog" envelope, it is available in various sizes and an array of colors for a special impact..6 x 11 1/2 Open End Envelopes are great for sending flat, bulky materials/catalogs/jumbo cards.Comes in 28lb. Gray Kraft, 28lb. Text Paper.Dimensions: 6"L x 11 1/2"W.Peel & Press Sealing Method.LUX 6 x 11 1/2 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $100.99
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JAM Paper 6 x 9 Open End Envelopes, Baby Blue, 500/Pack (EX1644-13-500) image 1
Item: 24578489
Model: EX1644-13-500

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards..Open End Catalog Envelopes.Size: 6 inches x 9 inches.Baby Blue

Price is  $136.95
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LUX 6 x 9 Open End Envelopes, 50/Box, Gold Metallic (1644-07-50) image 1
Item: 1030018
Model: 1644-07-50

LUX™ Open end smooth envelope in gold metallic color has flap for easy filling with peel & press secure sealing type. Envelope measuring 6" x 9" is ideal for holding coins/jumbo cards, sold as 50 per pack..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in Gold Metallic, 80lb. Text Paper.Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Finish: Smooth.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX™ Open end smooth envelope in gold metallic color measuring 6" x 9" is compatible with laser/inkjet printer and has a paper weight of 80 lbs for added strength/quality, sold as 50 per pack.

Price is  $63.19
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JAM Paper 7 x 10 Open End Catalog Envelopes, White, 25/Pack (1623194) image 1
Item: 366684
Model: 1623194

Banish creases and folds when you use JAM Paper® Open End Catalog Envelopes. These 7" x 10" white envelopes provide enough space for catalogs, flyers, announcements, and more to lay flat and secure. Ideal for both business and personal use; either way, your papers are safe and stylish in our high quality envelopes! This pack contains 25 7" x 10" envelopes, and each has a open end opening, straight flap, gum closure, smooth finish, and is made from 24 lb. paper..Size: 7" x 10".Gummed closure with straight flap.Perfect for greeting cards, invitations, weddings or any announcement.Material: Paper.Envelope opening: Open end.Paper weight: 24 lbs..Finish: Smooth.JAM Paper® Open end envelope measuring 7" x 10" is perfectly sized for business correspondence, comes in white color and is sold as 25 per pack.

Price is  $9.59
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JAM Paper #10 Self Seal Policy Envelopes, 4 1/8" x 9 1/2", Strathmore White, 50/Pack (7716-WLI-50) image 1
Item: 24604525
Model: 7716-WLI-50

The #10 Open End Envelope (4 1/8" x 9 1/2") in 80lb.. White Linen with the flap along the short side is perfect for sending important documents or flat items, as well as small items and parts. The envelope's side flap prevents contents from falling out, and the Peel & Press adhesive strip provides for easy sealing..#10 Open End Envelopes (4 1/8" x 9 1/2").Color: 80lb.. White Linen - About as classy a look as you can get..50 envelopes per pack.Featuring - Peel & Press Sealing Method and Laser & Inkjet compatible.Perfect for sending important documents or flat items, as well as small items and parts.

Price is  $13.95
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LUX 6" x 9" Kraft Open End Envelopes, 50/Box, 80lb. White (1644-32IJ-50) image 1
Item: 2146232
Model: 1644-32IJ-50

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards. Flap is on the short side, helping to keep things from falling out after opening. Also called a "catalog" envelope, it actually comes in 39 sizes from tiny to huge, in white, traditional kraft, and array of colors for special impact. Our high-quality inkjet paper is designed to run on all high-speed inkjet presses. Make your designs pop, with increased color vividity & precision, while printing with our inkjet line of paper & envelopes..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in 80lb. White, Inkjet, 80lb. Text Paper.Dimensions: 6"L x 9"W.Peel & Press Sealing Method.LUX 6 x 9 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $52.19
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JAM Paper 6 x 9 Open End Envelopes, Baby Blue, 250/Pack (EX1644-13-250) image 1
Item: 24578493
Model: EX1644-13-250

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards..Open End Catalog Envelopes.Size: 6 inches x 9 inches.Baby Blue

Price is  $75.79
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Staples Clasp Catalog Envelopes, 9"L x 12"H, White, 100/Box (570253/14210) image 1
Item: 570253
Model: ST570253-CC

Store and mail important paperwork with these white wove envelopes. Thick 28-pound paper stands up to mailing or everyday handling in the office, while the clasp closures ensure security for any items inside. Each piece in this 100-pack of Staples clasp envelopes is ideal for storing and transporting various pieces of letter-size paperwork laid flat, reducing the risk of creases..Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes.White paper shows labeling and writing clear and concise.Dimensions: 9"L x 12"H.Clasp envelope is sure to attract attention and deliver in style.Envelopes come in boxes of 100, making them an easy and economical choice for the business that needs to spend wisely without sacrificing quality.Transport letter-size documents with this 100-count box of Staples 9 x 12-inch white-wove clasp envelopes.

Price is  $43.59
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JAM Paper 6 x 9 Open End Envelopes, Peel & Press, Mandarin Orange, 500/Pack (EX1644-11-500) image 1
Item: 24578570
Model: EX1644-11-500

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards..Open End Catalog Envelopes.Size: 6 inches x 9 inches.Orange.Peel & Press Closure

Price is  $154.69
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JAM Paper Open End Booklet Envelopes, Peel & Press, 9" x 12", Bright White, 500/Pack (12328-500) image 1
Item: 24578338
Model: 12328-500

9 x 12 Booklet Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $132.19
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LUX 9 x 12 Kraft Open End Envelopes, 1000/Box, 28lb. White w/ Security Tint (WS-4894-ST-1M) image 1
Item: 2146102
Model: WS-4894-ST-1M

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards. Flap is on the short side, helping to keep things from falling out after opening. Also called a "catalog" envelope, it actually comes in 39 sizes from tiny to huge, in white, traditional kraft, and array of colors for special impact. Features moistenable glue flap sealing method..9 x 12 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in 28lb. White w/ Security Tint, 28lb. Text Paper.Dimensions: 9"L x 12"W.Moistenable Glue Sealing Method.LUX 9 x 12 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $336.89
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LUX 9 x 12 Booklet Envelopes 50/Pack, Blush (LUX-4899-39-50) image 1
Item: 23996090
Model: LUX-4899-39-50

LUX 9 x 12 Booklet Envelopes in Blush perfect for organizing documents/promotional materials/marketing materials/mailings/filing, sold as 50 per box. The 9 x 12 Booklet Envelope in Blush is a light, pink color with a hint of peach made from quality 80lb. paper. Booklet envelopes are the professional way for sending contents you can't or shouldn't fold such as flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports, magazines, or catalogs. Sealed on the back of a square back flap by moistenable glue..Comes in Blush.Dimensions: 9"L x 12"W.Sold 50 per box.LUX 9 x 12 Booklet Envelopes perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $36.25
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SI Products #1 Stayflats Plus Express Pouch Mailers, 12.5" x 9.5", White, 250/Carton (1EP) image 1
Item: 691627
Model: 1EP

Lightweight, durable and affordable. Our express pouch is designed to reduce your shipping costs! and pressure sensitive closure with tear strip opening and provides tamper evident security and its easy to open. Booklet style construction (side loading) makes for easy fulfillment..Custom sizes and printing.Designed to reduce shipping costs.Lightweight weights approximately 1.7 ounces.Falls within the USPS “Flat” mail piece dimensions.Stayflats Kraft Mailers are made from 100% Recycled paperboard, featuring an impressive 35% Post-Consumer Recycled Content (.012″ CCKB).

Price is  $68.99
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JAM Paper Open End Booklet Envelopes, Peel & Press, 9" x 12", Bright White, 250/Pack (12328-250) image 1
Item: 24578344
Model: 12328-250

9 x 12 Booklet Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $67.79
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JAM Paper Self Seal Policy Envelope 4 1/8" x 9 1/2", Natural Linen, 50/Pack (7716-NLI-50) image 1
Item: 24604592
Model: 7716-NLI-50

The #10 Open End Envelope (4 1/8" x 9 1/2") in 80lb.. Natural Linen with the flap along the short side is perfect for sending important documents or flat items, as well as small items and parts. The envelope's side flap prevents contents from falling out, and the Peel & Press adhesive strip provides for easy sealing..#10 Open End Envelopes (4 1/8" x 9 1/2").Color: 80lb.. Natural Linen - Our 80lb.. Natural is a light, cream colored off-white..50 envelopes per pack.Featuring - Peel & Press Sealing Method and Laser & Inkjet compatible.Perfect for sending important documents or flat items, as well as small items and parts.

Price is  $13.95
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JAM Paper 6 x 9 Open End Envelopes, Mandar,Orange, 250/Pack (EX1644-11-250) image 1
Item: 24578497
Model: EX1644-11-250

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards..Open End Catalog Envelopes.Size: 6 inches x 9 inches.Orange

Price is  $83.59
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JAM Paper Open End Booklet Envelopes, Peel & Press, 9" x 12", Bright White, 250/Pack (12310-250) image 1
Item: 24578336
Model: 12310-250

9 x 12 Booklet Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $55.39
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JAM Paper #10 Self Seal Policy Envelopes, 4 1/8" x 9 1/2", White, 50/Pack (7716-WPC-50) image 1
Item: 24604534
Model: 7716-WPC-50

Experience superior mailing with JAM Paper's Premium White 32lb. #10 Policy Envelopes. At an impressive 4 1/8 x 9 1/2 inches, these envelopes are perfect for all your correspondence needs. Our revolutionary Peel & Seal technology will redefine convenience for you, offering the strongest seal without the mess of traditional glue. But that's not all. The stellar 32lb. paper quality provides unmatched durability making sure your letters get to their destination securely. With JAM Paper, your mail is not just safe, but also stylish - our high-quality envelopes radiate sophistication. Embrace a simpler, superior and stylish way of mailing with JAM Paper today..#10 Open End Envelopes (4 1/8" x 9 1/2").Color: White - 100% Recycled - 100% Post Consumer Fiber.50 envelopes per pack.Featuring - Peel & Press Sealing Method and Laser & Inkjet compatible.Perfect for sending important documents or flat items, as well as small items and parts.

Price is  $13.95
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LUX 6 .5" x 9.5" Open End Envelopes 50/Pack, Grocery Bag Brown,50/Pack(LUX-1645-GB-50) image 1
Item: 23996457
Model: LUX-1645-GB-50

LUX 6 1/2 x 9 1/2 Open End Envelopes in Grocery Bag perfect for organizing documents/promotional materials/marketing materials/mailings/filing, sold as 50 per box. The 6 1/2 x 9 1/2 Open End Envelope in Grocery Bag has the color and texture of a grocery sack. Booklet envelopes are the professional way for sending contents you can't or shouldn't fold such as flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports, magazines, or catalogs. Featuring a square back flap that's easily sealed by our Peel & Press strip, you'll save yourself the hassle of having to like or moisten each envelope..Comes in Grocery Bag.Dimensions: 6.5"L x 9.5"W.Sold 50 per box.LUX 6 1/2 x 9 1/2 Open End Envelopes perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $49.09
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LUX 10" x 13" Booklet Envelopes, Clear Translucent, 50/Pack image 1
Item: 282023
Model: E4898-00-50

LUX® Booklet envelope in clear translucent color is made of 100 percent pure cellulose fiber. Envelope with 30 lbs paper weight has moistenable glue for safe sealing and great when inner contents need not be folded and sold as 50 per pack..10 x 13 Booklet Envelopes are the professional way to send flat but bulky materials/pamphlets/brochures/sales literature/booklets/annual reports/magazines/catalogs.Comes in Clear Translucent.Sold 50 per box.Finish: Smooth.When you can't or shouldn't fold the contents, here's the professional way to send flat but bulky materials- pamphlets, brochures, sales literature, booklets, annual reports, magazines, or catalogs.Flap, usually rectangular in shape, is on the long side for easier filling.16 sizes in kraft, white and an array of colors to suit your style.Available with moistenable flap, some with self-stick peel and seal.Weight: 30 lbs..Closure: Moistenable glue.Seam type: Side.16 sizes in Kraft, white and an array of colors to suit your style.Lux® Booklet envelope is perfectly sized to hold flat but heavy materials like brochures, booklets, annual reports, magazines or catalogs, measures 10" x 13" and comes in clear translucent color.

Price is  $72.99
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JAM Paper Self Seal #10 Policy Envelope 4 1/8" x 9 1/2", Natural, 50/Pack (7716-NPC-50) image 1
Item: 24604491
Model: 7716-NPC-50

The #10 Open End Envelope (4 1/8" x 9 1/2") in 100% Recycled 80lb.. Natural with the flap along the short side is perfect for sending important documents or flat items, as well as small items and parts. The envelope's side flap prevents contents from falling out, and the Peel & Press adhesive strip provides for easy sealing..#10 Open End Envelopes (4 1/8" x 9 1/2").Color: 80lb.. Natural - 100% Recycled - 100% Post Consumer Fiber.50 envelopes per pack.Featuring - Peel & Press Sealing Method and Laser & Inkjet compatible.Perfect for sending important documents or flat items, as well as small items and parts.

Price is  $13.95
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LUX 10" x 13" 70lbs. Commercial Flap Open End Envelopes, Avocado Green, 50/Pack image 1
Item: 282030
Model: EX4897-27-50

LUX® Avocado open end envelope with a moistenable glue flap helps hold things from falling out when opened. Envelope of size 10" x 13" has a paper weight of 70 lbs and is sold as 50 per pack..Avocado.Size: 10" x 13".Closure: Moistenable glue.Opening: Open end.Material: Paper.Finish: Smooth.Flap: Commercial.Collection: Exclusive.Paper weight: 70 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 avocado color measuring 10" x 13" is designed for sending flat, heavy materials or many small items like coins, catalogs and jumbo cards, is sold as 50 per pack.

Price is  $49.79
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LUX 6 x 9 Open End Envelopes, 50/Box, White Linen (1644-WLI-50) image 1
Item: 1030029
Model: 1644-WLI-50

LUX™ Open end linen envelope in white color has flap for easy filling with peel & press secure sealing type. Envelope measuring 6" x 9" is ideal for holding like coins/jumbo cards, sold as 50 per pack..White linen.Size: 6" x 9".Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Opening: Open end.Finish: Linen.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in White Linen, 80lb. Text Paper.Dimensions: 6"L x 9"W.Peel & Press Sealing Method.LUX™ Open end linen envelope in white color measuring 6" x 9" is compatible with laser/inkjet printer and has a paper weight of 80 lbs for added strength/quality, sold as 50 per pack.

Price is  $57.99
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JAM Paper Open End Commercial Booklet Envelopes, Peel & Press, 9" x 12", White, 500/Pack (13751C) image 1
Item: 24578362
Model: 13751C

9 x 12 Open End Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual report.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $152.99
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LUX 6 x 9 Open End Envelopes, Silver Metallic, 1000/Box (1644-06-1000) image 1
Item: 1030016
Model: 1644-06-1000

LUX 6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures, sold as 1000 per box.Silver metallic.Size: 6" x 9".Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Opening: Open end.Finish: Smooth.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX 6 x 9 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $294.14
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22" x 27" Fiberboard Mailer, Brown, 50/Carton (RM27) image 1
Item: 495766
Model: RM27

22" x 27" Kraft Flat Mailer includes economical locking tabs to secure contents. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 50 per case..Strong chipboard mailers protect photos and documents during shipping..Manufactured from .036 kraft chipboard..Lightweight to save on postage..No additional stiffeners needed..Tab lock closure..Tab-Lock Kraft Flat Mailers are strong to protect photos and documents during shipping.

Price is  $161.89
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JAM Paper Open End Commercial Booklet Envelopes, Peel & Press, 9" x 12", White, 250/Pack (13751J) image 1
Item: 24578364
Model: 13751J

9 x 12 Open End Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual report.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $88.19
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LUX Kraft Open End Envelopes with Security Tint, 9" x 12", White, 500/Pack (WS-4894-ST-500) image 1
Item: 2146103
Model: WS-4894-ST-500

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards. Flap is on the short side, helping to keep things from falling out after opening. Also called a "catalog" envelope, it actually comes in 39 sizes from tiny to huge, in white, traditional kraft, and array of colors for special impact. Features moistenable glue flap sealing method..9 x 12 Open end envelopes are perfect for sending documents, catalogs, direct mail, promotional material, brochures.Flap is on the short side, helping to keep things from falling out after opening.Also called a "catalog" envelope, it actually comes in 39 sizes from tiny to huge, in white, traditional kraft, and array of colors for special impact.LUX 9" x 12" Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $253.39
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9.75" x 12.25" Tab Lock Fiberboard Mailer, Brown, 100/Carton (RM5) image 1
Item: 424833
Model: RM5

The 9-3/4" x 12-1/4" Kraft Flat Mailer includes economical locking tabs to secure contents. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 100 per case..Dimensions: 9-3/4" x 12-1/4".Rigid chipboard construction protects contents from bending and crushing.Economical locking tabs secure contents.Lightweight mailers reduces postage costs.Manufactured from .036 kraft chipboard..Light-weight to save on postage..No additional stiffeners needed..Economical tab-lock closure to secure contents..Sold 100 per case..Tab-Lock Kraft Flat Mailers are strong to protect photos and documents during shipping.

Price is  $76.49
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LUX 6 x 9 Open End Envelopes, Silver Metallic, 250/Box (1644-06-250) image 1
Item: 1028647
Model: 1644-06-250

LUX 6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures, sold as 250 per box.Silver metallic.Size: 6" x 9".Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Opening: Open end.Finish: Smooth.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX 6 x 9 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $114.44
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JAM Paper Open End Commercial Booklet Envelopes, Peel & Press, 9" x 12", White, 100 Pack/(13751D) image 1
Item: 24578363
Model: 13751D

9 x 12 Open End Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual report.Booklet Envelopes.9" x 12".White.Peel & Press Closure

Price is  $37.29
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LUX Moistenable Glue Booklet Envelopes, 7" x 10", Bright White, 50/Pack (12237-50) image 1
Item: 24260968
Model: 12237-50

When you can't or shouldn't fold the contents, here's the professional way to send flat but bulky materials- pamphlets, brochures, sales literature, booklets, annual reports, magazines, or catalogs. The flap, usually rectangular in shape, is on the long side for easier filling..Envelope dimensions: 7"L x 10"W.24lb. bright white paper.50 envelopes per box.Uses include checks, invoices, letterhead, personal letters, statements, bills, and flyers.Applications include business mailings, direct mail, corporate mailings, financial mailings, and personal mail.Envelopes seal with moistenable glue flap.LUX 7" x 10" Booklet Envelopes in 24lb. Bright White are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!

Price is  $17.09
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LUX 9 x 12 Booklet Envelopes, 28lb. Bright White, 50/Pack (12328-50) image 1
Item: 24260268
Model: 12328-50

9 x 12 Booklet Envelope in 24lb. Bright White is a brilliant white envelope with a smooth finish. When you can't or shouldn't fold the contents, here's the professional way to send flat but bulky materials- pamphlets, brochures, sales literature, booklets, annual reports, magazines, or catalogs. The rectangular flap is on the long side for easier filling and uses moistenable glue for sealing. Sold as 50 envelopes per box..Dimensions: 9"L x 12"W.Comes in 28lb. Bright White.Sold as 50 per box.Envelope uses include catalogs, annual reports, brochures, magazines, invitations and so much more.Applications include business mailings, direct mail, corporate mailings, financial mailings, and personal mail.Moistenable glue flap.LUX 9 x 12 Booklet Envelopes in 28lb. Bright White are perfect for Catalogs, Annual Reports, Brochures, Magazines, Invitations and more!

Price is  $22.29
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Jam Paper Stay-Flat Photo Mailer, 9.75" x 12.25", White, 6/Pack (5PSWB) image 1
Item: 2102900
Model: 5PSWB

Jam Paper White Recycled Photo Mailer Envelopes with Peel and Seal Closure are perfect for mailing photos over long distances or for keeping them safe in storage! Each envelope is made of sturdy cardstock and features a fold over, peel and seal closure to prevent any of the envelope's contents from falling out during transport..Features a self-adhesive strip for quick and easy closure & is made from 100% recycled content.These photo mailing envelopes are available in a variety of sizes.These mailers are the perfect way to protect photos and safely send them through the mail.Jam Paper Photo Mailer Envelopes will keep your print photos safe in the mail.

Price is  $23.59
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Ship-Lite Self Seal Catalog Envelope 12" x 15 1/2", White, 100/Carton (SLF1215WH) image 1
Item: 947675
Model: SLF1215WH

Ship-Lite® Flat envelope measuring 12" x 15 1/2" is made of white paper reinforced with mesh screen poly fibers. Envelope is moisture resistant and features self-seal closure for added convenience..Made from white paper reinforced with mesh screen poly fibers..Envelopes are moisture-resistant..Feature self-seal closure..Dimensions: 12" x 15 1/2".100/case.Flat Ship-Lite® Envelope is six times stronger than paper envelope.

Price is  $113.79
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LUX Kraft #14 Open End Envelopes, 5" x 11 1/2", 28 lb. Brown Kraft, 1000 Qty (WS-5248-1M) image 1
Item: 2146548
Model: WS-5248-1M

LUX #14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards, sold as 1000 per box.#14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards.Comes in 28lb. Brown Kraft, 28lb. Text Paper.Dimensions: 5"L x 11 1/2"W.Moistenable Glue Sealing Method.#14 Open End Envelopes (5 x 11 1/2) - 28 lb. Brown Kraft 1000/PK.Ideal for sending flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.28 lb. Paper Weight.Usually ships same or next business day.LUX #14 Open End Envelopes (5 x 11 1/2) are super-spacious and the ideal envelope for your bulkier paperwork!

Price is  $283.89
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LUX 6 x 9 Open End Envelopes, Gold Metallic, 500/Box (1644-07-500) image 1
Item: 1028643
Model: 1644-07-500

LUX™ Open end smooth envelope in gold metallic color has flap for easy filling with peel & press secure sealing type. Envelope measuring 6" x 9" is ideal for holding coins/jumbo cards, sold as 500 per box..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in Gold Metallic, 80lb. Text Paper.Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Finish: Smooth.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX™ Open end smooth envelope in gold metallic color measuring 6" x 9" is compatible with laser/inkjet printer and has a paper weight of 80 lbs for added strength/quality, sold as 500 per box.

Price is  $156.09
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JAM Paper Open End Catalog Envelopes, 9" x 12", Brown Kraft Manila, 500/Pack (4132C) image 1
Item: 24578351
Model: 4132C

9 x 12 Open End Envelopes are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual report.Open End Catalog Envelopes.9" x 12".Brown Kraft

Price is  $96.99
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13.5" x 11"" Self-Sealing Fiberboard Mailer, 3, White, 100/Carton (RM3SS) image 1
Item: 424855
Model: RM3SS

The 11" x 13-1/2" Self-Seal White Flat Mailers are made from strong chipboard and require no additional stiffeners to protect your documents. Sold 100 per Case..Strong chipboard mailers protect photos and documents during shipping..Manufactured from lightweight chipboard to save on freight costs..No additional stiffeners needed..Peel-and-seal closure..Pull tab tear strip for easy opening..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $87.99
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LUX 6 x 9 Open End Envelopes, Gold Metallic, 250/Box (1644-07-250) image 1
Item: 1028644
Model: 1644-07-250

LUX™ Open end smooth envelope in gold metallic color has flap for easy filling with peel & press secure sealing type. Envelope measuring 6" x 9" is ideal for holding coins/jumbo cards, sold as 250 per box..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in Gold Metallic, 80lb. Text Paper.Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Finish: Smooth.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX™ Open end smooth envelope in gold metallic color measuring 6" x 9" is compatible with laser/inkjet printer and has a paper weight of 80 lbs for added strength/quality, sold as 250 per box.

Price is  $203.99
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LUX 6 x 9 Open End Envelopes, Gold Metallic, 1000/Box (1644-07-1000) image 1
Item: 1028645
Model: 1644-07-1000

LUX™ Open end smooth envelope in gold metallic color has flap for easy filling with peel & press secure sealing type. Envelope measuring 6" x 9" is ideal for holding coins/jumbo cards, sold as 1000 per box..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in Gold Metallic, 80lb. Text Paper.Closure: Peel & press™.Material: paper, paper weight: 80 lbs..Finish: Smooth.Laser and inkjet printer compatible.Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Flap is on the short side, helping to keep things from falling out after opening, also called a "catalog" envelope.It comes in various sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact.LUX™ Open end smooth envelope in gold metallic color measuring 6" x 9" is compatible with laser/inkjet printer and has a paper weight of 80 lbs for added strength/quality, sold as 1000 per box.

Price is  $294.14
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10" x 13" Clear View Self-Sealing Poly Mailer, 1000/Carton (CV1013) image 1
Item: 24449571
Model: CV1013

Postal lip-and-tape bags are USPS-approved for use with automated flat sorting machines allowing your company to take advantage of flat mailing rates. These medium-density bags are the ideal size for direct mail campaigns and have the clarity and strength to showcase and protect your company's logo and materials in the mail..Fits up to 9" x 12" items.Outside dimensions: 10" x 13" with 1.5" lip.Easy peel-off adhesive strip and self-sealing closure.Clear mailers with no color additives.2.0 mil thickness.1000 mailers per carton.USPS approved and designed to work with standard flat sorting machines.Not suitable for food packaging applications

Price is  $87.99
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LUX Open End Open End Kraft Catalog Envelope, 12 1/2" x 18 1/2", Gray, 50/Pack (92532-50) image 1
Item: 282058
Model: 92532-50

LUX 12 1/2" x 18 1/2" Jumbo Envelopes perfect solution to accommodate artwork/maps/clothing/product samples/videos/marketing literature/promotional items/bulky gifts/large format documents, sold as 50 per box.Also called a catalog envelope, it actually comes in 39 sizes from tiny to huge, in white, traditional Kraft, and array of colors for special impact, available with moistenable flap, some with self stick peel and seal.Laser compatible.Finish: Smooth.LUX Jumbo open end envelope in gray kraft color measuring 12 1/2" x 18 1/2" is used for sending flat, heavy materials or many small items like coins, catalogs and jumbo cards which is sold as 50 per pack.

Price is  $130.99
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LUX 6" x 9" Kraft Open End Envelopes, 500/Box, 80lb. White (1644-32IJ-500) image 1
Item: 2146230
Model: 1644-32IJ-500

Use this to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards. Flap is on the short side, helping to keep things from falling out after opening. Also called a "catalog" envelope, it actually comes in 39 sizes from tiny to huge, in white, traditional kraft, and array of colors for special impact. Our high-quality inkjet paper is designed to run on all high-speed inkjet presses. Make your designs pop, with increased color vividity & precision, while printing with our inkjet line of paper & envelopes..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in 80lb. White, Inkjet, 80lb. Text Paper.Dimensions: 6"L x 9"W.Peel & Press Sealing Method.LUX 6 x 9 Open End Envelopes are perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $171.19
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JAM Paper A10 Booklet Envelope 6" x 9 1/2", Bright White, 50/Pack (12039-50) image 1
Item: 24604521
Model: 12039-50

6 x 9 1/2 Booklet Envelopes in 24lb.. Bright White are a professional way to send flat but bulky materials like pamphlets, brochures, sales literature, booklets, annual reports, magazines, or catalogs. Save the time and expense of separately addressing envelopes by position the address to show through the window. These top quality envelopes are sealed by a moistenable glue located on the inside of the back flap. If you're looking for the perfect envelope to stand out, with an endless amount of uses, 6 x 9 1/2 Booklet Envelopes are the perfect choice and an amazing value..Size: 6"x 9 1/2" Booklet Envelopes / 6 in. x 9 in. / 6" x 9" / 152mm x 229mm.Quantity: Pack of 50.Color: 24lb.. Bright White.USES: Catalogs, Annual Reports, Brochures, Magazines, Invitations and so much more! Applications: Business Mailings, Direct Mail, Corporate Mailings, Financial Mailings, Personal Mail..Printable on off-set printing presses and some home printers.

Price is  $15.95
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About Flat Mailing Envelopes

Flat mailing envelopes are essential for securely sending documents, photos, and other flat items through the mail. Their design ensures that contents remain protected during transit, making them a reliable choice for both personal and professional use.

Available in various sizes and materials, flat mailing envelopes cater to diverse mailing needs. Whether for everyday correspondence or important business documents, these envelopes provide a practical solution for efficient shipping and organization.

When selecting flat mailing envelopes, consider features such as durability, moisture resistance, and closure type. Options with self-sealing flaps offer convenience, while reinforced edges provide added strength for heavier contents.

Additionally, choosing envelopes with a professional finish can enhance the presentation of your mailings. Look for options that are lightweight yet sturdy, ensuring that your documents arrive in pristine condition without incurring extra postage costs.