Bulk Window Envelopes

3 results
Blue Tinted Window Envelope image 1
Item: 1827965
Model: E11050

Blue tinted.Window envelope.Envelope

Price isĀ  $188.49
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
Staples Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST266759-CC) image 1
Item: 266759
Model: ST266759-CC

Mail invoices safely with these Staples standard invoice double-window gummed envelopes. Each envelope is made with 24-pound white paper, offering protection against wear and tear and weather, while the gummed top closure on the commercial flap ensures envelope contents stay secure. These Staples standard invoice double-window gummed envelopes come in a pack of 500 for bulk mailing and are tinted, protecting any confidential customer information..PACKAGING MAY VARY, SAME GREAT PRODUCT..US #9 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail.Gummed closure with commercial flap keeps contents in place.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.The flap is on the long side for easier filling.Tear-resistant envelope provides extra security for item being shipped.Double-window envelopes conveniently display addresses.Top Window: 1-1/4" x 3-1/2" Position: 5/8" from left and 2-1/8" from bottom.Bottom Window: 1" x 4" Position: 5/8" from left and 5/8" from bottom.Protect your mail with this 500-pack of Staples standard invoice double-window security-tint gummed #9 envelopes.

Price isĀ  $31.89
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
608
Quality Park Security Tinted #8 Double Window Envelope 3 5/8" x 8 5/8", White, 500/Box (QUA24532) image 1
Item: 864978
Model: QUA24532

Simplify the mailing process with these double-window envelopes. The blue security tint shields sensitive information from view, while the fully gummed edges keep each envelope securely closed to prevent document loss. Strategically placed windows keep return addresses and recipient addresses visible, so there's no need to add separate mailing labels to these Quality Park security tint envelopes, and you can mail letters in bulk..US #8 business envelopes are suitable for many mailing projects.Made from white 24 lb. wove paper for durability.These envelopes measure 3 5/8"H x 8 5/8"L in size, providing enough space for your mail.Gummed closure with commercial flap keeps contents in place.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Made in the USA.Send invoices, bills and correspondence with these Quality Park white #8 double-window gummed security tint envelopes.

Price isĀ  $104.59
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
4

You May Also Like

Quality Park Redi-Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White Wove, 500/Box (QUA24529) image 1
Item: 565339
Model: QUA24529

Give mailings a professional look with these business envelopes. Blue security tint shields sensitive information from view, and the double windows keep addresses visible. The Redi-Seal closures prevent papers from falling out, so you can mail important documents with confidence. These Quality Park business envelopes come in a 500-count box, providing an ample supply for busy offices..#9 business envelopes are suitable for many mailing projects.Made from white wove 24 lbs. paper for durability.These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail..Redi-Seal closure with wallet flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.Double-window envelopes conveniently display addresses; Top Window Position 3/8" from Left, 2" from Bottom. Top Window Size: 1 3/16" x 3 1/2", Bottom Window Position 3/8" from Left, 1/2" from Bottom. Bottom Window Size: 1" x 4".The flap is on the long side for easier filling.Prepare invoices, statements, and other documents for mailing with these Quality Park Redi-Seal #9 double-window security business envelopes.

Price isĀ  $99.49
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
294
Staples Self Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST28731-CC) image 1
Item: 1775861
Model: ST28731-CC

Give outgoing mail a professional look with these Staples Reveal-n-Seal double-window self-sealing envelopes. Each envelope has a double window, letting you display both the destination address and the return address at the same time, while the self-sealing flap makes it easy to close and secure each envelope. These Staples double-window self-sealing envelopes have a security-tint design that helps keep confidential information private..Pressure Sensitive Adhesive.#9 business envelopes are suitable for all your mailing needs.These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail.White color is ideal for business or personal correspondence.Closure with wallet flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Double-window envelopes for easy display of addresses.Convenient box of 500 envelopes ensures ample supply.The flap is on the long side for easier filling.Top Window: 1-3/16" x 3-1/2" Position: 3/8" from left and 2" from bottom.Bottom Window: 1" x 4" Position: 3/8" from left and 1/2" from bottom.Product closure may vary for a limited time.Send mail easily with this 500-pack of Staples security-tinted double-window self-sealing #9 envelopes.

Price isĀ  $30.79
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
257
Staples Laser Security Tinted Double Window Envelopes, 3 5/8" x 8 7/8", Wove White, 500/Box (ST394062-CC) image 1
Item: 394062
Model: ST394062-CC

Mail with the confidence of knowing that sensitive information is safe with these double-window security-tint gummed envelopes. Each envelope boasts a security-tint design that keeps third parties from reading the enclosed contents. These Staples double-window security-tint envelopes come in a 500-pack and have heavily gummed flaps that let you close them shut by applying moisture, so they don't accidentally seal until you are ready..Business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 3 5/8"H x 8 7/8"L in size, providing enough space for your mail.Gummed closure with square flap keeps contents in place.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.Envelopes contain 0% recycled content.Tear-resistant envelope provides extra security for item being shipped.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Keep confidential information away from prying eyes with this 500-pack of Staples laser double-window security-tint gummed envelopes.

Price isĀ  $30.49
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
298
Staples Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST20137) image 1
Item: 892095
Model: ST20137

Send bills, invoices and payments securely through the mail with these #10 double-window envelopes. Security tinting on the inside keeps personal information shielded from view, and the gummed closures ensure contents stay safely inside of each envelope. Constructed from white woven paper, these #10 double-window envelopes stand up to the rigors of the mailing process..PACKAGING MAY VARY, SAME GREAT PRODUCT..US #10 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 4 1/8"H x 9 1/2"L in size, providing enough space for your mail.Gummed closure with commercial flap keeps contents in place.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.The flap is on the long side for easier filling.Envelopes contain 0% recycled content.Double-window envelopes conveniently display addresses.Top Window: 1" x 3-1/2" Position: 1/2" from left and 2-1/2" from bottom.Bottom Window: 1-1/8" x 4" Position: 1/2" from left and 3/4" from bottom.#10 double-window security-tint gummed envelopes feature generously sized recipient and sender windows, making addresses easy to scan and read.

Price isĀ  $33.39
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
144
Quality Park Security Tinted #9 Window Envelope 3 7/8" x 8 7/8", White, 500/Box (QUA21212) image 1
Item: QUA21212
Model: QUA21212

#9 Single window security tinted invoice and statement envelopes with a gummed closure. Window conveniently accommodates the printed address eliminating hand addressing. This envelopes is perfect for invoices and statements. The blue security tint keeps contents confidential. Side seam construction is modern and the 24 lb. bright white stock looks professional. Purchasing envelopes will be at a minimum with the convenient 500 count giving you more time to concentrate on business. Send out your business correspondence with assurance of quality and security. Count on Quality Park to offer premium products for all your business needs!.Business and commercial use.Gummed flap.24 lb. white wove.3-7/8 x 8-7/8.500/Bx.Compatible with most standard 8-1/2 x 11 computer generated invoices and statements.Security tinted for privacy of contents

Price isĀ  $79.19
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
1
Staples Self Seal Security Tinted #8 Double Window Envelopes, 3 5/8" x 8 5/8", White, 500/Box (ST28732-CC) image 1
Item: 1775860
Model: ST28732-CC

Handle giant mailing projects with ease by using these white self-sealing security-tinted double-window envelopes. Each one features two transparent windows to let the return and shipping addresses show through, removing the need for manual label application, while the security-tint design helps ensure third parties don't read private information. These security-tinted double-window envelopes are self-sealing, so you don't need to lick the flap or use a sponge..Pressure Sensitive Adhesive.#8-5/8 business envelopes are suitable for all your mailing needs.These envelopes measure 3 5/8"H x 8 5/8"L in size, providing enough space for your mail.White color is ideal for business or personal correspondence.Closure with wallet flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Double-window envelopes for easy display of addresses.Convenient box of 500 envelopes ensures ample supply.The flap is on the long side for easier filling.Top Window Dimensions: 7/8" x 3-1/2", 5/8" from Left, 2-1/4" from Bottom.Bottom Window Dimensions: 1" x 4", 5/8" from Left, 5/8" from Bottom.Product closure may vary for a limited time.Make mailing projects manageable with this 500-pack of white self-sealing security-tinted double-window #8-5/8 envelopes.

Price isĀ  $30.79
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
246
Quality Park Self Seal Security Tinted #8 5/8 Double Window Envelope 3 5/8" x 8 5/8", White, 500/Box (QUA24539) image 1
Item: 565304
Model: QUA24539

Protect statements, client information, and other confidential documents with these double-window business envelopes. Featuring a reflex blue-tint pattern, these envelopes keep private details secure, even when held up to light. These Quality Park Redi-Seal security #8-5/8 envelopes are sold as a box of 500, offering a long-lasting supply, and include a Redi-Seal closure, so you can seal mail conveniently without the use of moisture..#8 5/8 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 3 5/8"H x 8 5/8"L in size, providing enough space for your mail..The Top Window (7/8 x3 1/2) is positioned 5/8" from left and 2 1/4" from the bottom of the envelope. The Bottom Window (1 x 4) is 5/8" from the left and 5/8"from the bottom..Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Redi-Seal closure with wallet flap seals securely without moistening.Made in the USA.Keep private information secure with this box of 500 Quality Park Redi-Seal double-window security #8-5/8 business envelopes.

Price isĀ  $77.39
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
234
Staples Security Tinted #10 Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (ST50152-CC) image 1
21% off Ā of Staples Security Tinted #10 Window Envelopes, 4 1/8" x 9 1/2", White Wove, 500/Box (ST50152-CC)
Item: 918161
Model: ST50152-CC

Mail out documents and files that need to remain confidential with these security-tinted #10 envelopes. A security pattern located on the inside of each envelope discreetly obscures all information contained inside, ensuring that private information remains concealed. Made out of sturdy 24-pound white woven paper that helps to prevent tears and rips, these security-tint envelopes stand up to sorting-room conditions, keeping the contents inside safe..PACKAGING MAY VARY, SAME GREAT PRODUCT..Envelopes are great for mailing letters and documents.Made from 24 lbs. white wove paper for durability.#10 envelopes measure 4 1/8" x 9 1/2" in size, providing enough space for your mail.Gummed closure with commercial flap keeps contents in place.Security tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Convenient box of 500 envelopes ensures ample supply.Simply position the address to show through the single-left window.The flap is on the long side for easier filling.Send out confidential correspondence securely with these #10 gummed left-window security-tint envelopes.

Price isĀ  $27.99
$35.39
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
287
Quality Park Redi-Seal Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (QUA24559) image 1
Item: 886849
Model: QUA24559

Mail confidential documents with confidence by using these security-tint envelopes. With a convenient Redi-Seal closure, these envelopes require no moisture to seal, letting you take on large mailing tasks quickly. These Quality Park Redi-Seal double-window #10 envelopes are made from a bright white stock and have two windows, so you can conceal sensitive information easily..US #10 business envelopes are suitable for many mailing projects.Made from white 24 lb. wove paper for durability.These envelopes measure 4 1/8"H x 9 1/2"L in size, providing enough space for your mail.Redi-Seal closure with wallet flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.500 envelopes per box.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.The 1" x 3-1/2" top window is positioned 1/2" from the left and 2-1/2" from the bottom.The 1-1/8" x 4" bottom window is positioned 1/2" from the left and 3/4" from the bottom.Made in the USA.Keep invoices, contracts and other sensitive information private with this box of 500 Quality Park Redi-Seal double-window security-tint #10 envelopes.

Price isĀ  $99.49
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
92
Staples Self Seal Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST28730-CC) image 1
Item: 1775862
Model: ST28730-CC

Send important mailings in these legal-size Staples Reveal-N-Seal envelopes. The security tint printed on the inside prevents sensitive data from showing through, making these envelopes ideal for mailing invoices, checks, or classified information. Each envelope in this 500-count box of Staples envelopes features a double-window cutout on its face so addresses show through, and a convenient self-seal closure on the back lets you quickly and neatly secure contents for hassle-free mailing..Pressure Sensitive Adhesive.#10 business envelopes are suitable for all your mailing needs.White color is ideal for business or personal correspondence.These envelopes measure 4 1/8"H x 9 1/2"L in size, providing enough space for your mail.Closure with wallet flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Convenient box of 500 envelopes ensures ample supply.Double-window envelopes for easy display of addresses.The flap is on the long side for easier filling.Top Window: 3-1/2" x 1-1/4".Bottom Window: 4" x 1".Product closure may vary for a limited time.Mail all your business correspondence with this 500-count box of self-sealing Staples security-tinted double-window envelopes.

Price isĀ  $30.79
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
135
Ampad Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White, 500/Box (73047) image 1
Item: 706753
Model: 73047

#10 (4-1/8" x 9-1/2").Gummed closure with commercial flap.Security tint keeps sensitive information confidential.Ideal for checks, invoices and other confidential materials.Window position fits standard formats.Window size: 1-1/8" x 4-1/2" .Window placement: 7/8" from left and 1/2" from bottom .24 lb. white wove paper

Price isĀ  $36.49
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
Quality Park Security Tinted #10 Window Envelope 4 1/8" x 9 1/2", White, 500/Box (QUA21412) image 1
Item: 377516
Model: QUA21412

#10 single window, security tinted envelopes for dependable performance! Your business is too important to leave the details up to chance. What are your needs when it comes to envelopes? Strength, durability, privacy? Window conveniently accommodates the printed address eliminating hand addressing. The blue security tint keeps contents confidential while in the mail stream. Bright white stock gives mailings a professional look. Full gumming provides a secure, permanent seal. Purchasing envelopes will be at a minimum with the convenient 500 count, giving you more time to concentrate on business. Quality Park envelopes are the obvious choice for your business. See our array of other envelope options to fit your business's needs!.Business and commercial use.Gummed flap.24 lb. white wove.4 1/8" x 9 1/2".500/Bx.Standard window.Security tinted for privacy of contents

Price isĀ  $94.29
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
Quality Park Redi-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (21418) image 1
Item: 458294
Model: QUA21418

Protect sensitive documents with these security envelopes. The blue-tint interiors shield items from view, while the clear windows let you address letters without the need for labels. The convenient peel-and-seal adhesive closures keep paperwork securely tucked inside. With a woven white design, these Quality Park Redi-Seal envelopes provide a neutral background for address labels, postage and custom stamps..Envelopes are great for mailing letters and documents.Made from 24 lbs. white paper for durability.These envelopes measure 4 1/8" x 9 1/2" in size, providing enough space for your mail.Redi-Seal closure with commercial flap seals securely without moistening.Security tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Convenient box of 500 envelopes ensures ample supply.Simply position the address to show through the single-left window.Double-flap design keeps gum from sticking before use..Made in the USA.Prepare invoices, payments and other mailings with these Quality Park Redi-Seal self-sealing #10 single-window security envelopes.

Price isĀ  $99.29
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
31
Quality Park Redi-Seal Self Seal Security Tinted #8 Double Window Envelope, 3 5/8" x 8 5/8", White Wove, 1000/Pack (24539-1000) image 1
Item: 23996467
Model: 24539-1000

Quality Park #8 5/8 Double Window Envelope (3 5/8 x 8 5/8) in White Wove w/ Redi-Seal are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail, sold as 1000 per box. Quality Park#8 5/8 Double Window Envelopes (3 5/8" x 8 5/8") in 24lb. White Wove with Redi-Seal are an ideal business envelope for those looking for both quality and easy sealing. When sending letters, invoices or statements, save the time and expense of separately addressing envelopes. Simply position the address to show through the window. Sealed with Redi-Seal, a no moisture sealing method, with a unique flap design that keeps the gum from sticking before use..Comes in White Wove w/ Self-Seal.Dimensions: 3.625"L x 8.625"W.Redi-Seal Sealing Method.Quality Park #8 5/8 Double Window Envelope (3 5/8 x 8 5/8) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail

Price isĀ  $229.89
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
1
Quality Park Reveal-N-Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White Wove, 500/Box (QUA67529) image 1
Item: 717358
Model: QUA67529

Give mailings a professional appearance with these double-window envelopes. The blue security tint shields sensitive information from view, while the two windows keep recipient and return addresses clearly visible. Self-sealing closures eliminate the need for moistening flaps before mailing. Packaged in a 500-count box, these Quality park Reveal-N-Seal envelopes provide an ample supply to meet the demands of busy offices..#9 Business double window envelopes are suitable for many mailing projects.These envelopes measure 3 7/8"H x 8 7/8"L in size, providing enough space for your mail.Made from 24# White Wove for durability.Our dependable Reveal-N-Seal patented envelope design has a unique flap that folds up and into place for a firm seal that won't close and stick prematurely; plus, no peel-strip waste to clean up!.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.Double-window envelopes conveniently display addresses; Top window 1-3/16" x 3-1/2", 3/8" from left, 2" from bottom; Bottom window 1"x 4", 3/8"L, 1/2" from bottom.Box of 500 envelopes allows you stock up for monthly payroll and accounts payable mailings.Prepare invoices, statements, and other documents for mailing with these Quality Park Reveal-N-Seal #9 double-window envelopes.

Price isĀ  $107.79
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
39
Quality Park Redi-Seal Self Seal Security Tinted #8 Double Window Envelope 3 5/8" x 8 5/8", White Wove, 50/Pack (24539-50) image 1
Item: 23995955
Model: 24539-50

Quality Park #8 5/8 Double Window Envelope (3 5/8 x 8 5/8) in White Wove w/ Redi-Seal are perfect for mailing checks/invoices/letterhead/personal letters/statements/direct mail, sold as 50 per box. #8 5/8 Double Window Envelopes (3 5/8" x 8 5/8") in 24lb. White Wove with Redi-Seal are an ideal business envelope for those looking for both quality and easy sealing. When sending letters, invoices or statements, save the time and expense of separately addressing envelopes. Simply position the address to show through the window. Sealed with Redi-Seal, a no moisture sealing method, with a unique flap design that keeps the gum from sticking before use..Comes in White Wove w/ Self-Seal.Dimensions: 3.625"L x 8.625"W.Redi-Seal Sealing Method.Quality Park #8 5/8 Double Window Envelope (3 5/8 x 8 5/8) are perfect for mailing checks, invoices, letterhead, personal letters, statements, and direct mail

Price isĀ  $59.69
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

About Bulk Window Envelopes

Bulk window envelopes are essential for businesses and organizations that require efficient mailing solutions. Designed to streamline the mailing process, these envelopes allow for easy visibility of addresses, reducing the need for additional labels and saving time.

Ideal for invoices, statements, and promotional materials, bulk window envelopes enhance professionalism while ensuring that important documents reach their intended recipients. Their convenience makes them a popular choice for high-volume mailing tasks.

When selecting bulk window envelopes, consider factors such as size, material, and window placement. Options are available in various dimensions to accommodate different document sizes, ensuring a snug fit for your contents.

Additionally, look for envelopes made from durable materials that offer security and protection during transit. Features like self-sealing flaps can also enhance efficiency, making it easier to prepare large quantities of mail quickly.