Security-Lined Envelopes

67 results
ComplyRight CMS-1500 Self Seal Security Tinted Window Envelope 9" x 12 1/2", White/Blue, 100/Pack (1500RS) image 1
Item: 1949161
Model: 1500RS

All envelopes have confidential lining for added security in order to ensure patient privacy..Envelope holds up to 50 CMS-1500 unfolded claim forms..Helps reduce processing delays..Right-window reveals only the mailing address..Rectangle self-sealing square flap..ComplyRight CMS-1500 Jumbo Right Window Envelopes prevent processing delays by allowing the sender to mail the forms without folding them.

Price is  $42.59
Unit of measure 100/Pack
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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.Keep private information secure with this box of 500 Quality Park Redi-Seal double-window security #8-5/8 business envelopes.

Price is  $227.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples Laser Check Size Gummed Security Tinted Business Envelopes, 3 5/8" x 8 7/8", Wove White, 1000/Box (381898/17046) image 1
Item: 381898
Model: ST381898-CC

Enjoy the convenience of these double-window envelopes. Each envelope has a gummed flap that seals securely once moisture is applied, ensuring it doesn't close until you're ready, while the security tint helps keep confidential information private. These Staples check-size laser envelopes have a double window, so you don't need to manually apply shipping labels and return addresses labels..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.1000 envelopes per box.Envelopes contain 0% recycled content.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Save the hassle of applying address labels with this 1,000-pack of Staples check-size double-window security-tint laser gummed envelopes.

Price is  $57.69
Unit of measure 1000/Box
Next-Day Delivery by tomorrow
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LUX #6 1/4 Regular Envelopes (3 1/2 x 6) 250/Box, 24lb. White w/ Security Tint (WS-0056-250) image 1
Item: 2146268
Model: WS-0056-250

The mail system workhorse, great for personal or corporate business. The #10 "Legal" or "Business" size envelope is most common, but there are 14 regular-postage sizes to suit virtually any invoice, sales piece, check or correspondence. Features moistenable glue sealing method on flaps. Protect your privacy when sending checks, forms or other sensitive information. The tinted pattern inside discourages reading sensitive information through the envelope..#6 1/4 Regular Envelopes (3 1/2 x 6) are perfect for mailing small items such as a folded personal check/business reply mail/direct mailings/statements/correspondence.Comes in 24lb. White w/ Security Tint, 24lb. Text Paper.Dimensions: 3 1/2"L x 6"W.Moistenable Glue Sealing Method.LUX #6 1/4 Regular Envelopes (3 1/2 x 6) are perfect for mailing small items such as a folded personal check or storing store tickets for an upcoming event, store reminders, coupons, recipes, social security cards and so much more!

Price is  $39.89
Unit of measure 250/Pack
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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 is  $99.49
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Quality Park Redi-Seal Security Tinted Window Envelope, 4 1/2" x 9 1/2", Woven White, 500/Box (21438) image 1
Item: QUA21438
Model: QUA21438

Keep private medical and personal information secure in the mail with these self-sealing window envelopes. The security tinting hides text from view, while the built-in windows keep addresses visible for mailing. Each envelope features a double-flap gum closure that requires no moisture to secure in place. These Quality Park Redi-Seal envelopes are perfectly sized to hold medical claim forms and other related documents..Envelopes are great for mailing letters and documents.Made from 24 lbs. white paper for durability.These envelopes measure 4 1/2" 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-right window.Window measures 4.5" x 1"; 4.25" from the left edge and 1.56" from the bottom.The flap is on the long side for easier filling.Made in the USA.Mail medical forms and documents with these Quality Park Redi-Seal white self-sealing insurance HFCA-1500 security tinted window envelopes.

Price is  $81.89
Unit of measure Box
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Quality Park Redi-Seal Security Tinted Window Envelope, 4 1/2" x 9 1/2", Woven White, 500/Box (21438) image 1
Item: 507760
Model: QUA21438

Keep private medical and personal information secure in the mail with these self-sealing window envelopes. The security tinting hides text from view, while the built-in windows keep addresses visible for mailing. Each envelope features a double-flap gum closure that requires no moisture to secure in place. These Quality Park Redi-Seal envelopes are perfectly sized to hold medical claim forms and other related documents..Envelopes are great for mailing letters and documents.Made from 24 lbs. white paper for durability.These envelopes measure 4 1/2" 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-right window.Window measures 4.5" x 1"; 4.25" from the left edge and 1.56" from the bottom.The flap is on the long side for easier filling.Made in the USA.Mail medical forms and documents with these Quality Park Redi-Seal white self-sealing insurance HFCA-1500 security tinted window envelopes.

Price is  $135.29
Unit of measure 500/Box
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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 is  $99.49
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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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 is  $147.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Medical Arts Press Self Seal Security Tinted #4 Double Window Envelope, White, 500/Box (32373) image 1
Item: 541947
Model: 32373

Protect invoices, financial statements and other correspondence by mailing them in these self-seal security tinted envelopes. The double windows of these envelopes let the shipping address and return address show through, saving you from the hassle of handwriting or manually applying labels. These Medical Arts Press double-window self-seal envelopes come in a box of 500..Self-seal envelope with with clear filmview windows.Patient's name and address show through bottom window, your return address shows through top.Made from white 24 lb. white wove peek-proof stock for privacy.Envelope size: 4-1/8 x 9".Top window size: 7/8 x 3"; top window position: 15/16" from top.Bottom window size: 1 x 3-7/8"; bottom window position: 1-1/8" from bottom.3/8" between top and bottom window.Top and bottom windows are positioned 3/4" from left edge.Medisoft® and Altapoint compatible.500 per box

Price is  $9.44
Unit of measure 500/Box
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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 is  $111.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Quality Park Reveal-N-Seal Security Tinted #10 Window Envelope, 4 1/8" x 9 1/2", White Wove, 500/Box (67418) image 1
Item: 717362
Model: QUA67418

Keep confidential information away from prying eyes with these instant-seal security envelopes. Each one is manufactured with premium 24-pound wove paper, making it ideal for everyday business and personal use, while the bright white coloring delivers a clean, professional look. These Quality Park Reveal-N-Seal single-window envelopes feature a self-seal closure that eliminates the need to moisten the flap or use a pull-off strip..#10 Single window envelopes are suitable for all your mailing needs.These envelopes measure 4 1/8"H x 9 1/2"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.This single window envelope has a 1-1/8" x 4-1/2" window, positioned 7/8" from the left and 1/2" from the bottom.500 envelopes per box ensures ample supply.Protect confidential mail with this 500-pack of Quality Park Reveal-N-Seal #10 single-window instant-seal security envelopes.

Price is  $104.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples Reveal-N-Seal #9 Double Window Envelope, 3 7/8" x 8 7/8", White, 300/Box (20567-US) image 1
Item: 902474
Model: 67529S

The Quality Park Reveal-N-Seal 67529S #9 white double window envelope measuring 3 7/8" x 8 7/8", features strong, tamper-evident seal to protect confidential documents. It has small perforations along the flaps for tampering. This security-tinted envelope offers self-sealing closure that requires no moisture to seal..Comes in white color.Trade size: #9, Envelope size: 3 7/8" x 8 7/8".Paper weight: 24 lbs..Envelope/mailer type: Tax and business form.Closure: Self-adhesive.Seam type: Contemporary.Window position of bottom left/top left.Exterior material: Paper.Finish: Wove.Suggested use: Double window for invoices.Format/border: Standard, Opening: Open side.Security tinted for added safety.Box of 300 envelopes.3 7/8" x 8 7/8" Reveal-N-Seal invoice size double window envelopes and its unique glue provides for longer shelf life than normal self-seal envelopes.

Price is  $52.99
Unit of measure 300/Box
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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 is  $158.99
Unit of measure 500/Box
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Quality Park Gummed Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (24550) image 1
Item: 2495723
Model: QUA24550

Mail documents securely and protect sensitive information with this 500-count box of white gummed envelopes. The Redi-Seal closure lets you conveniently close envelopes by unfolding the bottom flap and pressing down, and wove 24-pound stock with a side-seam construction is durable with a clean, crisp appearance. The reflex blue-tint pattern of these Quality Park gummed envelopes blocks attempts to read enclosed paperwork..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.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Made in the USA.Preserve confidentiality while mailing paperwork with these Quality Park #10 double-window security-tinted white gummed envelopes.

Price is  $99.29
Unit of measure 500/Box
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Quality Park Gummed Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (24550) image 1
Item: QUA24550
Model: QUA24550

Mail documents securely and protect sensitive information with this 500-count box of white gummed envelopes. The Redi-Seal closure lets you conveniently close envelopes by unfolding the bottom flap and pressing down, and wove 24-pound stock with a side-seam construction is durable with a clean, crisp appearance. The reflex blue-tint pattern of these Quality Park gummed envelopes blocks attempts to read enclosed paperwork..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.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Made in the USA.Special features: Open side.Inside tint provides privacy for sensitive documents.Compliance standards: SFI Certified.Weight: 24 lbs..Preserve confidentiality while mailing paperwork with these Quality Park #10 double-window security-tinted white gummed envelopes.

Price is  $200.67
Unit of measure Box
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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 is  $94.29
Unit of measure 500/Box
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Quality Park Gummed Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White Wove, 500/Box (QUA24524) image 1
Item: 823255
Model: QUA24524

Send confidential invoices, medical information, and other documents with these security-tinted white envelopes. Featuring a reflex blue-tint pattern, these envelopes protect sensitive information from being viewed by unintended parties, even while being held up to light. These Quality Park double-window white #9 envelopes are sold in a box of 500 for easy stocking and have a gummed seal, providing enhanced security while in transit..US #9 business envelopes are suitable for many mailing projects.Made from white wove 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.Double-window envelopes conveniently display addresses.The flap is on the long side for easier filling.Made in the USA.Mail private information with confidence by using this box of 500 Quality Park gummed security-tinted double-window white #9 envelopes.

Price is  $99.29
Unit of measure 500/Box
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Quality Park Flap-Stik Security Tinted #10 Window Envelope, 4 1/2" x 9 1/2", White, 500/Box (90130) image 1
Item: 813454
Model: QUA90130

#10 window security tinted business envelopes for standard mailing. Your business is too important to leave the details up to chance. Quality Park offers you many options for your mailing and shipping needs. These envelopes feature fully gummed flaps and provide a secure seal. 24 lb. bright white stock and contemporary side seams give mailings a professional look. Our blue security tint keeps contents confidential while in the mail stream. 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!.Gummed flap.24 lb. white wove; super white 84 brightness.4 1/8" x 9 1/2".500/Bx.Construction features fully gummed flaps.Clear poly windows.Window measures 4.5"W x 1.125"L.Window is 0.875" from left and 0.5" from bottom

Price is  $67.99
Unit of measure 500/Box
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About Security-Lined Envelopes

Security-lined envelopes are essential for protecting sensitive information during mailing and storage. These envelopes feature a unique interior lining that obscures the contents, ensuring privacy and confidentiality for documents, checks, and personal information.

Designed for both personal and professional use, security-lined envelopes provide peace of mind when sending important correspondence. Their sturdy construction and secure sealing options make them a reliable choice for businesses and individuals alike.

When choosing security-lined envelopes, consider the size and type that best fits your needs. Options range from standard business sizes to larger formats, accommodating various document types while ensuring secure delivery.

Additionally, look for features such as self-sealing mechanisms for added convenience and security tints that enhance privacy. Many envelopes also come in bulk packaging, making them a cost-effective solution for frequent mailing needs.

What are security-lined envelopes used for?

  • Security-lined envelopes are primarily used to protect sensitive information during mailing. They are ideal for sending documents, checks, and personal correspondence that require confidentiality.

How do security-lined envelopes protect contents?

  • The interior lining of security-lined envelopes is designed to obscure the contents, preventing visibility from the outside. This helps ensure that sensitive information remains private and secure during transit.

Are security-lined envelopes available in different sizes?

  • Yes, security-lined envelopes come in various sizes to accommodate different document types, including standard business sizes and larger formats. This versatility makes them suitable for a wide range of mailing needs.

What features should I look for in security-lined envelopes?

  • When selecting security-lined envelopes, consider features such as self-sealing options for convenience, the thickness of the paper for durability, and the quality of the security lining for effective privacy protection.

Can I use security-lined envelopes for bulk mailing?

  • Absolutely! Many security-lined envelopes are available in bulk packaging, making them a cost-effective choice for businesses that require frequent mailing of sensitive documents.

Do security-lined envelopes come with adhesive seals?

  • Yes, many security-lined envelopes feature adhesive seals, including self-sealing options that provide added convenience and ensure that the contents remain secure during transit.