Flat Mailing Envelopes

155 results
LUX 80lb 4 1/8"x9 1/2" Open End #10 Envelopes W/Peel&Press, Natural, 250/BX image 1
Item: 515118
Model: 7716-NPC-250

LUX® Open end envelope in natural color features a peel and a press flap for secured sealing. Envelope compatible with laser/inkjet measures #10 (4 1/8" x 9 1/2") and contains 100 percent recycled content, sold as 250 per box..Natural.Size: #10 (4 1/8"x9 1/2").Closure: Peel & press.Opening: Open end flap.Material: Paper.Paper weight: 80 lbs..Collection name: Natural.Laser and inkjet printer compatible.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.250/box.LUX 80lb. Natural - 100% Recycled #10 Open End Envelopes (4 1/8 x 9 1/2) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail.

Price is  $89.19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
11.5" x 9" Self-Sealing Fiberboard Mailer, 2, White, 100/Carton (RM2SS) image 1
Item: 424862
Model: RM2SS

The 9" x 11-1/2" 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  $76.49
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 6 x 9 Open End Envelopes, Avocado, 500/Pack (EX1644-27-500) image 1
Item: 24578555
Model: EX1644-27-500

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.Avocado

Price is  $136.95
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
11" x 16" Self-Sealing Fiberboard Mailer, Brown, 100/Carton (RM8) image 1
Item: 447189
Model: RM8

The 11" x 16" 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: 11" x 16".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..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $87.99
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 6 x 9 Open End Envelopes, Black Linen, 500/Box (1644-BLI-500) image 1
Item: 1028640
Model: 1644-BLI-500

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 500 per box..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 500 per box.

Price is  $114.44
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Ship-Lite Self Seal Catalog Envelope 6" x 9", White, 100/Carton (SLF0609WH) image 1
Item: 947674
Model: SLF0609WH

Ship-Lite® Flat envelope measuring 6" x 9" 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: 6" x 9".100/case.Flat Ship-Lite® Envelope is six times stronger than paper envelope.

Price is  $66.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
1
11.5" x 9" Self-Sealing Fiberboard Mailer, White, 25/Carton (RM2SS25PK) image 1
Item: 578449
Model: RM2SS25PK

Mail magazines, brochures or photos in these Box Partners self-seal flat mailers. The white exteriors provide a perfect background for custom corporate labels and shipping tags, while the convenient peel and seal adhesive closures prevent items from slipping out of each envelope. With lightweight, durable construction, these Box Partners self-seal flat mailers protect your fragile items during the shipping process..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..Package reading materials and other goods in these Box Partners 9 x 11.5-inch white self-seal flat mailers.

Price is  $31.19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
16
LUX 70lbs. 9" x 12" Open End Envelopes, Avocado Green, 500/BX image 1
Item: 386716
Model: EX4894-27-500

LUX® Avocado open end envelope features a moistenable glue flap for convenient filling and safety. 9" x 12" Envelope is suitable for sending flat and heavy items and is sold as 500 per box..9 x 12 Open End Envelopes perfect for organizing documents/distributing promotional matierials/marketing materials/mailings/filings.Comes in Avocado.Sold 500 per box.Material: Paper.Paper weight: 70 lbs..Collection: Exclusive.Laser printer compatible.Metric size: 229mm x 305mm.Closure: Moistenable glue.Opening: Open end flap.LUX® Avocado open end envelope measuring 9" x 12" has a paper weight of 70 lbs and is suitable for handing out or sending flat and bulky items, sold as 500 per box.

Price is  $227.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper Open End Booklet Envelopes, 9" x 12", Brown Kraft, 250/Pack (8383-250) image 1
Item: 24578347
Model: 8383-250

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".Brown Kraft

Price is  $67.79
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 6 x 9 Open End Envelopes, Smoke, 500/Pack (EX1644-22-500) image 1
Item: 24578556
Model: EX1644-22-500

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.Grey

Price is  $110.95
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX Open End Kraft Catalog Envelope, 13" x 17", Brown, 50/Pack (85739-50) image 1
Item: 282071
Model: 85739-50

LUX 13 x 17 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.Laser 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 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.Also see our open side collection.Business grade, brown Kraft is actually an orangey brown the businessy color you've seen in the mail all your life, available in 24 or 28lb.Finish: Smooth.LUX Open end envelope in brown kraft color measuring 13" x 17" 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  $117.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
4
LUX Self Seal Catalog Envelope 6" x 9", Black (1644-BLI-250) image 1
Item: 1028641
Model: 1644-BLI-250

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 250 per box..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 250 per box.

Price is  $110.49
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 6" x 9" Kraft Open End Envelopes, 250/Box, 80lb. White (1644-32IJ-250) image 1
Item: 2146231
Model: 1644-32IJ-250

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  $85.89
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 4 1/8"x9 1/2" Open End #10 Envelopes, Bright White, 500/BX (7535-500) image 1
Item: 513617
Model: 7535-500

LUX® Open end envelope in bright white 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 80 lbs, sold as 500 per box..#10 Open End Envelopes are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail.Comes in Bright White, 80lb. Text Paper.Dimensions: 4 1/8"H x 9 1/2"W.Closure: Peel & press.Material: Paper.Collection: White.Paper weight: 80 lbs..Ideal to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Laser and inkjet printer compatible.Available in 39 sizes from tiny to huge, in white, traditional Kraft and array of colors for special impact.Flap is on the short side, helping to keep things from falling out after opening.500/box.Available in 39 sizes from tiny to huge, in white, traditional kraft and array of colors for special impact.LUX® Open end envelope in bright white color measuring #10 (4 1/8" x 9 1/2") has a paper weight of 80 lbs and is ideal for sending flat, bulky materials or many small items like coins, catalogs, sold as 500 per box.

Price is  $116.39
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
1
LUX 70lbs. 10" x 13" Open End Envelopes, Smoke Gray, 500/BX (EX4897-22-500) image 1
Item: 386880
Model: EX4897-22-500

LUX® Smoke open end envelope features a moistenable glue flap for convenient filling and safety. 10" x 13" Envelope is suitable for sending flat and heavy items and is sold as 500 per box..Smoke.Size: 10" x 13".Closure: Moistenable glue.Opening: Open end flap.Material: Paper.Paper weight: 70 lbs..Collection: Exclusive.Laser printer compatible.Metric size: 254mm x 330mm.LUX® Smoke open end envelope having a paper weight of 80 lbs measures 10" x 13" and is suitable for handing out or sending flat and bulky items, sold as 500 per box.

Price is  $306.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX Kraft #14 Open End Envelopes, 5" x 11 1/2", 28 lb. Brown Kraft, 50 Qty (WS-5248-50) image 1
Item: 2146578
Model: WS-5248-50

LUX #14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards, sold as 50 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 50/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  $64.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 6 x 9 Open End Envelopes, Avocado, 250/Pack (EX1644-27-250) image 1
Item: 24578469
Model: EX1644-27-250

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.Avocado

Price is  $73.95
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
6" x 6" Self-Sealing Fiberboard Mailer, Brown, 200/Carton (RM9K) image 1
Item: 447179
Model: RM9K

The 6" x 6" Kraft Flat Mailer features closure that is quick and easy to use. Mailer includes rigid chipboard construction that protects contents from bending and crushing. Sold 200 per case..6" x 6".QuickStrip closure is quick and easy to use - simply remove strip and press to close.Rigid chipboard construction protects contents from bending and crushing.Convenient tear-tab opens easily without harming contents.Lightweight mailers reduces postage costs.Staples Brand 100% Satisfaction Guaranteed.Dimensions: 6" x 6".Manufactured from .028 kraft chipboard..Peel and seal closure with pull tear-strip for easy opening..Light-weight to save on postage..No additional stiffeners needed..Sold 200 per case..Self-Seal White Flat Mailers are strong to protect photos and documents during shipping.

Price is  $78.59
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper Catalog Envelope 7" x 10" ,White, 100/Pack (1623194d) image 1
Item: 24604560
Model: 1623194d

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 100 7" x 10" envelopes, and each has a open end opening, straight flap, gum closure, smooth finish, and is made from 24 lb.. paper..Color: White.Size: 7 x 10 inches.Quantity: 100 /pack.Features a straight flap with gummed closure and smooth paper finish..Perfect for personal mail, business mailings, greeting cards, announcements, and so much more!

Price is  $18.99
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 9 x 12 Booklet Envelopes 1000/Pack, Blush (LUX-4899-391000) image 1
Item: 23996117
Model: LUX-4899-391000

LUX 9 x 12 Booklet Envelopes in Blush perfect for organizing documents/promotional materials/marketing materials/mailings/filing, sold as 1000 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 1000 per box.LUX 9 x 12 Booklet Envelopes perfect for organizing documents, distributing promotional and marketing materials, mailing, filing and much more!

Price is  $310.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX Kraft Open End #14 Envelopes, 5" x 11 1/2", Brown Kraft, 500/Pack (WS-5248-500) image 1
Item: 2146550
Model: WS-5248-500

These LUX Open End #14 Envelopes are great for sending flat, bulky materials/catalogs/jumbo cards with dimensions of 5" x 11 1/2", sold as 500 per box..Ideal for sending flat, bulky materials or multiple small items like coins, catalogs and jumbo cards.Comes in 28lb. Brown Kraft, 28lb. Text Paper.Dimensions: 5"L x 11 1/2"W.Moistenable Glue Sealing Method.Super-spacious and the ideal envelope for your bulkier paperwork!

Price is  $103.99
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 6" x 9" Kraft Open End Envelope, Grocery Bag Brown, 50/Pack (1644-GB-50) image 1
Item: 1985251
Model: 1644-GB-50

Use these envelopes to send flat, bulky materials or multiple small items like coins, catalogs and jumbo cards. The 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 an array of colors for special impact. Envelopes are available with moistenable flap and self-stick peel and seal. Also see our Open Side collection..6 x 9 Open End Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in Grocery Bag, 70lb. Text Paper.Dimensions: 6"H x 9"W.Peel & Press Sealing Method.Contains 50/PK Envelopes per pack.Comes in Grocery Bag, 70lb. Text Paper.The name says it. Ours even has an ordinary grocery sack's texture, weight and feel. Depending on how you use it, this unusual look says "earthy, recycled, natural, modern, or fresh".70lbs paper weight.Peel and press sealing method.LUX 70lb. Grocery Bag 6 x 9 Open End Envelopes are perfect for sending documents, catalogs, direct mail, promotional material, brochures and more.

Price is  $30.09
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX Kraft #14 Open End Envelopes, 5" x 11 1/2", 28 lb. Brown Kraft, 250 Qty (WS-5248-250) image 1
Item: 2146576
Model: WS-5248-250

LUX #14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards, sold as 250 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 250/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  $172.59
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
6" x 9" Self-Sealing Poly Mailer, Clear, 1000/Carton (CV691000) image 1
Item: 24449573
Model: CV691000

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 5.5" x 8.5" items.Outside dimensions: 6" x 9" 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  $50.59
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX Open End Kraft Moistenable Glue #15 1/2 Catalog Envelope, 12" x 15 1/2", Brown, 50/Pack (93404-50) image 1
Item: 282062
Model: 93404-50

LUX Brown kraft open end envelope with a moistenable glue flap on short side helps hold things from falling out when opened. Envelope of size 12" x 15 1/2" has a paper weight of 28 lbs and is sold as 50 per pack..Laser compatible.It's easy to customize your envelope.Add a printed return address or upload a design using your digital file.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. Available with moistenable flap, some with self stick peel and seal.Same bright look as our other Bright Whites, with a little more heft than standard 24 lb., for an added sense of quality, and strength.Finish: Smooth.LUX Open end envelope in brown kraft color measuring 12" x 15 1/2" 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  $56.89
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
2
LUX #14 Open End Envelopes (5 x 11 1/2) 50/Box, 28lb. White (WS-5200-50) image 1
Item: 2146577
Model: WS-5200-50

LUX #14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards, sold as 50 per box.#14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards.Comes in 28lb. White, 28lb. Text Paper.Dimensions: 5"L x 11 1/2"W.Moistenable Glue Sealing Method.LUX #14 Open End Envelopes (5 x 11 1/2) are super-spacious and the ideal envelope for your bulkier paperwork!

Price is  $56.49
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 9" x 12" Booklet Envelopes, Avocado Green, 50/Pack image 1
Item: 282305
Model: EX4899-27-50

LUX® Booklet envelope in avocado color features a moistenable glue flap for secure sealing. Envelope with 70 lbs paper weight is great when inner contents need not be folded and sold as 50 per pack..9 x 12 Booklet Envelopes are the professional way to send flat but bulky materials/pamphlets/brochures/sales literature/booklets/annual reports/magazines/catalogs.Comes in Avocado.Dimension: 9"L x 12"W.Sold 50 per box.Moistenable glue flap.Finish: Smooth.Flap, usually rectangular in shape, is on the long side for easier filling.Weight: 70 lbs..Size: 9" x 12".Closure: Moistenable glue.Seam type: Center.Lux® Booklet envelope is perfectly sized to hold flat but heavy materials like brochures, booklets, annual reports, magazines or catalogs, measures 9" x 12" and comes in avocado color.

Price is  $58.09
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 70lbs. 9" x 12" Open End Envelopes, Avocado Green, 1000/BX image 1
Item: 386695
Model: EX4894-27-1000

LUX® Avocado open end envelope features a moistenable glue flap for convenient filling and safety. 9" x 12" Envelope is suitable for sending flat and heavy items and is sold as 1000 per box..9 x 12 Open End Envelopes perfect for organizing documents/distributing promotional matierials/marketing materials/mailings/filings.Comes in Avocado.Sold 1000 per box.Material: Paper.Paper weight: 70 lbs..Collection: Exclusive.Laser printer compatible.Metric size: 229mm x 305mm.Closure: Moistenable glue.Opening: Open end flap.LUX® Avocado open end envelope measuring 9" x 12" has a paper weight of 70 lbs and is suitable for handing out or sending flat and bulky items, sold as 1000 per box.

Price is  $421.35
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 9" x 12" Booklet Envelopes, Garnet Red, 50/Pack image 1
Item: 282306
Model: EX4899-26-50

LUX 9 x 12 Booklet Envelopes are the professional way to send flat but bulky materials/pamphlets/brochures/sales literature/booklets/annual reports/magazines/catalogs, sold as 50 per box.9 x 12 Booklet Envelopes are the professional way to send flat but bulky materials/pamphlets/brochures/sales literature/booklets/annual reports/magazines/catalogs.Comes in Garnet.Dimension: 9"L x 12"W.Sold 50 per box.Moistenable glue flap.Finish: Smooth.Flap, usually rectangular in shape, is on the long side for easier filling.Weight: 70 lbs..Size: 9" x 12".Closure: Moistenable glue.Seam type: Center.Lux® Booklet envelope is perfectly sized to hold flat but heavy materials like brochures, booklets, annual reports, magazines or catalogs, measures 9" x 12" and comes in garnet color.

Price is  $42.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 9 x 12 Open End Envelopes, Wasabi Green, 500/Pack,  LUX-4894-L22-500 (4894-L22-500) image 1
Item: 24578638
Model: 4894-L22-500

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".Wasabi Green

Price is  $124.59
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Jam Paper Stay-Flat Photo Mailer, 13" x 18", White, Sold Individually (6PSW) image 1
Item: 1433633
Model: 6PSW

Jam Paper White Recycled Photo Mailers Envelope with Peel and Seal Closure is 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 content from falling out during transport..Stiff mailer envelope is great for mailing art, pictures, photos, photographs, and more.Features a self-adhesive strip for quick and easy closure.These photo mailing envelopes are available in a variety of sizes.Finish: Smooth.Jam Envelope in white color with a sleek finish is designed to keep your important papers safe and measures 13" x 18".

Price is  $6.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
11
JAM Paper 13 1/2 Square Invitation Envelope, 13 1/2" x 13 1/2", White, 25/Pack (3992323) image 1
Item: 261312
Model: 3992323

When you have larger mail that needs to be sent, these 13 1/2" x 13 1/2" envelopes do the job. Calendars, announcements, dinner invitations, and more lay flat and fold-free, keeping your mail professional. This pack contains 25 13 1/2" x 13 1/2" white envelopes and each envelope has a square opening, straight flap, gum closure, is made from 28 lb. paper, and has a smooth finish..Smooth paper finish for a sleek appearance.Straight-flap gum closure helps keep contents secure.Finish: Smooth.Envelope Type: Business.Envelope Flap: Straight Flap.Ideal for everyday business, JAM Paper White Square Invitation Envelopes provide versatility and ease for all your mailing needs.

Price is  $43.59
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
2
Staples Gummed Booklet Envelopes, 9" x 12", White, 100/Box (473009/19307) image 1
Item: 473009
Model: ST473009-CC

Easily ship items with these booklet envelopes. With a 28-pound paper construction, these envelopes are durable, helping get mail shipped safely, while the side-opening flap is heavily gummed, keeping invoices, reports, and other important documents secure. These Staples booklet envelopes are made with white wove paper material, and the side-opening flap is convenient for inserting and removing large items..Booklet envelopes keep your documents flat in the mail.Envelope size: 9"H x 12"W.Gummed flap closure keeps your documents secured inside the envelope.Envelopes have square flap.Made of white wove paper.100 envelopes per box.Mail items safely by using this 100-pack of Staples 9 x 12-inch white wove side-opening booklet envelopes.

Price is  $33.89
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
169
Mead Press-It Seal-It Envelopes, 10" x 13", 4/Box, 12 Boxes (MEA76082-12) image 1
Item: 24516829
Model: MEA76082-12

Mead® Press-It Seal-It® Envelopes feature a self-adhesive seal and brown Kraft material. Envelopes measure 10" x 13" in size. Includes 4 envelopes per pack. Sold as 12 packs for a total of 48 envelopes..Standard Envelopes.Measures 10" x 13".Brown.Peel & Stick Self-Seal Closure.Security lining inside.Top loading.Sold as 4 Per Box, 12 Boxes (48 Total).Heavyweight envelopes

Price is  $32.79
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Staples Gummed Invitation Envelopes, 5 3/4" x 4 3/8", White, 250/Box (266767N) image 1
Item: 266767
Model: ST266767N-CC

Keep correspondence clean and undamaged with these white gummed-closure invitation envelopes. Each one features a heavily gummed flap that lets you apply moisture for a tight seal, while the white coloring offers high contrast for labels and text, ensuring easy reading. These Staples gummed-closure invitation envelopes are built with 24-pound white wove material for durability..Invitation envelope keeps your documents flat in the mail.Envelope size: 4 3/8"H x 5 3/4"W.The gummed flap closure keeps your documents secured inside the envelope.V-flap closure.White and made of paper.250 envelopes per box.Great to use to store items such as invitations.Ensure that invitations, cards and other papers reach recipients in good condition by mailing them in these Staples white gummed-closure invitation envelopes.

Price is  $28.29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
200
LUX 70lbs. 10" x 13" Open End Envelopes, Grocery Bag Brown, 500/BX (4897-GB-500) image 1
Item: 384957
Model: 4897-GB-500

LUX® Grocery bag open end envelope has 100 percent recycled with 20 percent post consumer waste and has a moistenable glue flap at the shorter side for easy filling. 10" x 13" Envelope is ideal for sending items and is sold as 500 per box..10 x 13 Open End Envelopes perfect for organizing documents/distributing promotional matierials/marketing materials/mailings/filings.Dimension: 10"L x 13"W.Material: Paper.Paper weight: 70 lbs..Collection: Grocery bag.Laser and inkjet printer compatible.Metric size: 254mm x 330mm.Used 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.Comes in 39 sizes from tiny to huge, in white, traditional kraft, and array of colors for special impact.Grocery bag.Closure: Moistenable glue.Opening: Open end flap.LUX® Grocery bag open end envelope having a paper weight of 70 lbs measures 10" x 13" and is ideal for sending flat, bulky materials or many small items like coins, catalogs and jumbo cards, sold as 500 per box.

Price is  $208.17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 6 x 9 Open End Envelopes, Ruby Red, 500/Pack (EX1644-18-500) image 1
Item: 24578471
Model: EX1644-18-500

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.Ruby Red

Price is  $113.79
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX #14 Open End Envelopes (5 x 11 1/2) 500/Box, 28lb. White (WS-5200-500) image 1
Item: 2146549
Model: WS-5200-500

LUX #14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards, sold as 500 per box.#14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards.Comes in 28lb. White, 28lb. Text Paper.Dimensions: 5"L x 11 1/2"W.Moistenable Glue Sealing Method.LUX #14 Open End Envelopes (5 x 11 1/2) are super-spacious and the ideal envelope for your bulkier paperwork!

Price is  $113.99
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 6 x 9 Open End Envelopes, Ruby Red, 250/Pack (EX1644-18-250) image 1
Item: 24578559
Model: EX1644-18-250

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.Ruby Red

Price is  $79.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper #6 Coin Business Envelopes, 3.375 x 6, Black, 25/Pack (356730564) image 1
Item: 2103402
Model: 356730564

JAM Paper Black #6 Coin Envelopes 3 3/8 x 6 inches in size and are made out of smooth, 28lb, 30% recycled paper. These envelopes have straight flaps with reliable gum closures to keep items secure. This pack contains a total of 25 envelopes Each of these envelopes features a flat black color and a flawless texture. The size of these envelopes makes them fantastic for receipts, tickets, cash, coins, small trinkets, note cards, buttons, Polaroid photos, and more. Use these envelopes to keep track of small items or to send small papers through the mail. These classy envelopes will make an impression on all of their recipients..Eclipse Black Coin Envelopes.Size: #6 Coin.3.375 x 6 inches.Gum Closure.Great for storing small items such as coins, jewelry, and small parts and is the perfect size for cash, gift cards, deposit slips and checks.Quantity : 25 Envelopes per Pack.Envelope Features: Made from 24 lb paper, Open end opening, Straight Flap, Gum Closure

Price is  $11.49
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
JAM Paper 6 x 9 Open End Envelopes ,Ruby Red , 50 Pack, Red (EX1644-18-50) image 1
Item: 24578563
Model: EX1644-18-50

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.Ruby Red

Price is  $23.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
1
LUX #14 Open End Envelopes (5 x 11 1/2) 250/Box, 28lb. White (WS-5200-250) image 1
Item: 2146551
Model: WS-5200-250

LUX #14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards, sold as 250 per box.#14 Open End Envelopes (5 x 11 1/2) are great for sending flat, bulky materials/catalogs/jumbo cards.Comes in 28lb. White, 28lb. Text Paper.Dimensions: 5"L x 11 1/2"W.Moistenable Glue Sealing Method.LUX #14 Open End Envelopes (5 x 11 1/2) are super-spacious and the ideal envelope for your bulkier paperwork!

Price is  $97.6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Quality Park Unsealed Booklet Envelope, 9 1/2" x 11 7/8", Beige, 100/Box (QUA89604) image 1
Item: 508477
Model: QUA89604

Quality Park Flat filing envelope measuring 9 1/2" x 11 3/4" is suitable for transport as well as storage of papers, drawings, proofs and more. Letter size envelope has ungummed flaps for repeated use, sold as 100 per box..Material: 3 point tag.Size: 9 1/2"H x 11 3/4"W.File jackets/sleeves/wallets type: Envelope jacket.Size: Letter.Ideal for transport and storage of papers, drawings, proofs and more.Extra heavy duty 110 lbs. index for durability.Deep ungummed flaps for repeated use.Ideal for transport and storage of paper, drawings and proofs.

Price is  $138.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
LUX 6 x 9 Booklet Envelopes (6 x 9) - White, Inkjet - Pack of 50 (2444798) image 1
Item: 2444798
Model: 4820-32IJ-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. 16 sizes in kraft, white and an array of colors to suit your style. Available with moistenable flap, some with self-stick Peel & Seal. Also see our Open End selection..6 x 9 Booklet Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in White, Inkjet, 80lb. Text Paper.Dimensions: 6"H x 9"W.Moistenable Glue Sealing Method.Contains 50 Envelopes per pack.Comes in White, Inkjet, 80lb. Text Paper.80lb. White, Inkjet.LUX 80lb. White, Inkjet 6 x 9 Booklet Envelopes are perfect for sending documents, catalogs, direct mail, promotional material, brochures and more.

Price is  $43.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Staples Gummed Booklet Envelopes, 6" x 9", White, 250/Box (472852/19306) image 1
Item: 472852
Model: ST472852-CC

Send correspondence with these white gummed-flap wove booklet envelopes. Each one is heavily gummed on the flap to provide a strong seal, while the 24-pound white wove material provides durability and a bright background to contrast against dark text, promoting readability. These Staples white gummed-flap side-opening wove booklet envelopes come in a pack of 250, so large mailing tasks are manageable..Booklet envelope keeps your documents flat in the mail.Envelope size: 6"H x 9"W.The gummed flap closure keeps your documents secured inside the envelope.Envelopes have square flap.Made of white wove paper.250 envelopes per box.Mail personal and business correspondence with this 250-pack of Staples 6 x 9-inch white gummed-flap side-opening wove booklet envelopes.

Price is  $45.99
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
261
LUX 6 x 9 Booklet Envelopes (6 x 9) - White, Inkjet - Pack of 500 (2444796) image 1
Item: 2444796
Model: 4820-32IJ-500

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. 16 sizes in kraft, white and an array of colors to suit your style. Available with moistenable flap, some with self-stick Peel & Seal. Also see our Open End selection..6 x 9 Booklet Envelopes are perfect for sending documents/catalogs/direct mail/promotional material/brochures.Comes in White, Inkjet, 80lb. Text Paper.Dimensions: 6"H x 9"W.Moistenable Glue Sealing Method.Contains 500 Envelopes per pack.Comes in White, Inkjet, 80lb. Text Paper.6 x 9 Booklet Envelopes.80lb. White, Inkjet.LUX 80lb. White, Inkjet 6 x 9 Booklet Envelopes are perfect for sending documents, catalogs, direct mail, promotional material, brochures and more.

Price is  $165.89
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Partners Tyvek Envelopes, 9" x 12", Yellow, 100/Case (TYC912Y) image 1
Item: 2301092
Model: TYC912Y

9" x 12" Yellow Tyvek Envelopes. Tyvek envelopes provide superior puncture, tear and moisture protection. Colorful envelopes make your mailing stand out. Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature self-seal closure..Tyvek Envelopes useful for shipping flat items such as documents or catalogs.Yellow Tyvek constructed from 14 lb. olefin..9" x 12".Features a self-seal closure strip.100 Envelopes per Case.Colorful envelopes make your mailing stand out..Ten times stronger than paper envelopes..Tyvek envelopes provide superior puncture, tear and moisture protection.

Price is  $134.89
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet
Partners Tyvek Envelopes, 12" x 15 1/2", Green, 100/Case (TYC1215G) image 1
Item: 2301100
Model: TYC1215G

12" x 15 1/2" Green Tyvek Envelopes. Tyvek envelopes provide superior puncture, tear and moisture protection. Colorful envelopes make your mailing stand out. Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature self-seal closure..Tyvek Envelopes useful for shipping flat items such as documents or catalogs.Green Tyvek constructed from 14 lb. olefin..12" x 15 1/2".Features a self-seal closure strip.100 Envelopes per Case.Colorful envelopes make your mailing stand out..Ten times stronger than paper envelopes..Tyvek envelopes provide superior puncture, tear and moisture protection.

Price is  $185.69
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Over 30
Add to list
No reviews yet

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.