Tamper-Proof Envelopes

69 results
JAM Paper #7 Coin Tear-Proof Tyvek Open End Envelopes, 3.5 x 6.5, White, 1000/Carton (2131076B) image 1
Item: 2329344
Model: 2131076B

JAM Paper® Tyvek Envelopes provide exceptionally durable protection for your mailed items!.#7 Coin - 3 1/2" x 6 1/2".#7 Coin Tyvek Envelopes - 3 1/2" x 6 1/2".Made with white paper.Self Adhesive Closure 1000 envelopes per carton.Self Adhesive Closure.1000 envelopes per carton.Safety Data Sheet

Price is  $364.99
Unit of measure 1000/Carton
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JAM Paper Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 50/Pack (61597-50) image 1
Item: 24578606
Model: 61597-50

Safeguard important documents! When you can't or shouldn't fold the contents, document envelopes are the professional solution..#10 Window Envelopes.4 1/8 in x 9 1/2 in.White.Peel & Press Closure

Price is  $18.99
Unit of measure 50/Pack
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JAM Paper Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 1000/Pack (61597-1M) image 1
Item: 24578339
Model: 61597-1M

High-quality envelopes for business documents, letters of recommendation, applications, booklets, folders, magazines..#10 Window Envelopes.4 1/8 in x 9 1/2 in.White.Peel & Press Closure

Price is  $132.95
Unit of measure 1000/Pack
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JAM Paper Self Seal Security Tinted #6 3/4 Business Envelopes, 3 5/8" x 6 1/2", White, 250/Pack (72634-250) image 1
Item: 24578611
Model: 72634-250

High-quality envelopes for business documents, letters of recommendation, applications, booklets, folders, magazines..#6 3/4 Envelopes.Size: #6 3/4 (3 5/8 inches x 6 1/2 inches).White.Peel & Press Closure

Price is  $57.19
Unit of measure 250/Pack
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JAM Paper #10 Tyvek Business Tear-Proof Envelopes, 4.125 x 9.5, White, 500/Box (2131077D) image 1
Item: 2329378
Model: 2131077D

JAM Paper® Tyvek Envelopes provides exceptionally durable protection for your mailed items!.#10 size - 4 1/8" x 9 1/2".Business Envelopes.Made with White Tyvek.Gummed Closure 500 envelopes per box.Gummed Closure.500 envelopes per box.Safety Data Sheet

Price is  $280.19
Unit of measure 500/Box
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JAM Paper Security Tinted #9 Booklet Envelopes, 3 7/8" x 8 7/8", White, 50/Pack (61549-50) image 1
Item: 24604520
Model: 61549-50

Upgrade your mailing game with JAM Paper's White Security Tint 24lb. #9 Window Envelopes. Sized perfectly at 3 7/8 x 8 7/8 inches, these are the ideal choice for all your professional and personal correspondence. The built-in window saves you time on addressing, and the security tint ensures your contents stay confidential. Crafted from sturdy 24lb. paper, they're durable enough to withstand the postal journey. Plus, the pristine white color adds a touch of class to your mail. Remember, it’s not just an envelope, it's the JAM Paper experience - quality, efficiency and style, all in one..Size: #9 Window Envelopes 3 7/8 in x 8 7/8 in / 3.875” x 8.875” / 98mm x 225mm.Color: White w/Security Tint.Quantity: Pack of 50.USES: Checks, Invoices, Letterhead, Personal Letters, Statements, Bills, Flyers..Printable on off-set and digital printing presses and some home printers.

Price is  $15.95
Unit of measure 50/Pack
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JAM Paper #10 Security Tinted Booklet Envelopes, 4 1/8" x 9 1/2", White, 50/Pack (99977-50) image 1
Item: 24604530
Model: 99977-50

Experience the convenience and professionalism that JAM Paper's White with Security Tint 24lb. #10 Bottom Reverse Flap Window Envelopes offer. Sized at 4 1/8 x 9 1/2 inches, these envelopes are perfect for both personal and business mail correspondences. The built-in window eliminates the need for address labels, providing a more streamlined approach to your mailing process. Crafted from high-quality 24lb. paper, these envelopes offer superior durability. Moreover, the security tint ensures confidential documents remain just that - confidential. The bottom reverse flap not only adds a unique stylish touch, but also guarantees your content stays safely tucked inside. Choose JAM Paper and stand out among the rest..#10 Window Bottom Flap Envelopes.Color - White w/Security Tint.Pack of 50

Price is  $13.95
Unit of measure 50/Pack
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Adams Self Seal Security Tinted 1099 3-Up Tax Envelope, White, 25/Pack (1017142) image 1
Item: 24639725
Model: 1017142

These Adams 1099 envelopes are security-tinted for privacy and sized for a precise fit. A peel & seal closure seals without water to save time and effort..1099 envelopes are designed to fit your 3-per-page 1099-NEC forms and other 3-up tax forms.3-3/4"L x 8-3/4"W.White wove; 24 lb..Self-Sealing Peel & Seal Closure.Envelopes are security tinted.Double window.25 per pack.Adams double-window 1099 envelopes for 3-up tax forms keep your confidential tax information secure.

Price is  $19.99
Unit of measure 25/Pack
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Adams Self Seal Security Tinted 1099 2-Up Tax Envelope, White, 25/Pack (1017140) image 1
Item: 24639723
Model: 1017140

These Adams 1099 envelopes are security-tinted for privacy and sized for a precise fit. A peel & seal closure seals without water to save time and effort..1099 envelopes are designed to fit your 2-per-page tax forms including the 1099-MISC, 1099-B, 1099-DIV, 1099-INT, 1099-K, 1099-OID, 1099-R, 1098, 1098C or 5498 forms.5-5/8"L x 9"W.White wove; 24 lb..Self-Sealing Peel & Seal Closure.Envelopes are security tinted.Double window.25 per pack.Adams double-window 1099 envelopes for 2-up tax forms keep your confidential tax information secure.

Price is  $19.99
Unit of measure 25/Pack
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Mead Kraft Self Seal Security Tinted #10 Business Envelope 4 1/8" x 9 1/2", 45/Box, 12 Boxes/Bundle (MEA75026-12) image 1
Item: 24516679
Model: MEA75026-12

Mead® Press-It Seal-It® Security Envelopes feature a self-adhesive seal, and a security lining to ensure privacy. The #10 size envelopes measure 4.25" x 9.5". Includes 45 white envelopes per box. Sold as 12 boxes for a total of 540 envelopes..Standard #10 Security Envelopes.Measures 4.25" x 9.5".White.Peel & Stick Self-Seal Closure.Security lining inside.Top loading.Sold as 45 Per Box, 12 Boxes (540 Total)

Price is  $83.79
Unit of measure 12/Bundle
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Mead Press It Seal It #10 Security Envelopes, 4 1/8" x 9 1/2", White, 45/Pack (MEA75026) image 1
Item: 2696277
Model: 75026

45 ct. White envelopes with self-adhesive seal and security lining for privacy..Security Envelope. All purpose for home and office.White. Made from sheets of paper. Paper weight 20lbs.4.125" x 9.5".Each pack contains 45 envelopes.Total of 45 envelopes

Price is  $6.19
Unit of measure 45/Pack
Next-Day Delivery by tomorrow
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Staples InstantSeal Security Tinted #8 Double Window Envelopes, 3 5/8" x 8 5/8", White, 500/Box (ST63337) image 1
Item: 1775860
Model: ST63337

Handle giant mailing projects with ease by using these white InstantSeal 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..New and improved envelope.Tamper proof, perforated seal to keep documents safe.Pressure sensitive adhesive requires no moisture for a secure hold.Just pull the bottom flap up and fold the top flap down to seal.#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.Dimensions: 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.White color is ideal for business or personal correspondence.Actual dimensions may vary by up to ~1/8”.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 ease of use.Make mailing projects manageable with this 500-pack of white Staples InstantSeal security-tinted double-window #8-5/8 envelopes.

Price is  $39.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples InstantSeal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (ST63338) image 1
Item: 1775861
Model: ST63338

Give outgoing mail a professional look with these Staples InstantSeal 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..New and improved envelope.Tamper proof, perforated seal to keep documents safe.Pressure sensitive adhesive requires no moisture for a secure hold.Just pull the bottom flap up and fold the top flap down to seal.#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.Dimensions: 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.White color is ideal for business or personal correspondence.Actual dimensions may vary by up to ~1/8”.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 ease of use.Send mail easily with this 500-pack of Staples InstantSeal security-tinted double-window self-sealing #9 envelopes.

Price is  $39.99
Unit of measure 500/Box
Next-Day Delivery by tomorrow
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Staples Reveal N Seal Self Seal Security Tinted #8 Business Envelope, 3 5/8" x 8 5/8", White, 300/Box (67539S) image 1
Item: 902475
Model: 20566-US

Staples Reveal-N-Seal 67539S #8 white double window envelope measuring 3 5/8" x 8 5/8", 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: #8, Envelope size: 3 5/8" x 8 5/8".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.3 5/8" x 8 5/8" Reveal-N-Seal invoice size double window envelopes and its unique glue provides for longer shelf life than normal self-seal envelopes.

Price is  $49.99
Unit of measure 300/Box
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TFP Self Seal Security Tinted Window Envelope 4-1/2" x 9-1/2", White, 500/Box (1500ES) image 1
Item: 633519
Model: 1500ES

Self seal CMS-1500 right window envelope. HIPAA security tent, 24 lb. bond paper. 4-1/2" x 9-1/2". Accommodates 12 folded CMS-1500 claim forms. Certified Chain of Custody; Promoting Sustainable Forest Management. All envelopes have confidential lining for added security. 500 per carton. Compatible with laser or dot-matrix printers..Self seal CMS-1500 right window envelope.HIPAA security tent, 24 lb. bond paper.Accommodates 12 folded CMS-1500 claim forms.Certified Chain of Custody; Promoting Sustainable Forest Management.All envelopes have confidential lining for added security.Compatible with laser or dot-matrix printers.Window dimensions: 1"H x 4-1/2"W.Window placement: 5/8" from right and 1-9/16" from bottom.Specially designed window envelopes fit HCFA approved, medical claim forms when tri-folded.

Price is  $88.39
Unit of measure 500/Box
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Staples InstantSeal Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (ST63339) image 1
Item: 1775862
Model: ST63339

Send important mailings in these legal-size Staples InstantSeal 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..New and improved envelope.Tamper proof, perforated seal to keep documents safe.Pressure sensitive adhesive requires no moisture for a secure hold.Just pull the bottom flap up and fold the top flap down to seal.#10 business 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.Dimensions: Top Window: 3-1/2" x 1-1/4", Bottom Window: 4" x 1".White color is ideal for business or personal correspondence.Actual dimensions may vary by up to ~1/8”.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 ease of use.Mail all your business correspondence with this 500-count box of Staples InstantSeal security-tinted double-window envelopes.

Price is  $39.99
Unit of measure 500/Box
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Staples QuickStrip EasyClose Self Seal Security Tinted #6 3/4 Business Envelopes, 3 5/8" x 6 1/2", White, 100/Box (ST50313-CC) image 1
Item: 862857
Model: ST50313-CC

Send checks, bills and other correspondence with these security-tint envelopes. Each one has a security-tint feature that prevents third parties from reading enclosed information, while the EasyClose design lets you seal it shut by removing the strip and pressing the flap down. These Staples EasyClose envelopes come in a pack of 100, so they are great for handling large mailing jobs..US #6 3/4 business envelopes are suitable for many mailing projects.Made from white 24 lb. paper for durability.These envelopes measure 3 5/8"H x 6 1/2"L in size, providing enough space for your mail.EasyClose closure with square flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.100 envelopes per box.The flap is on the long side for easier filling.Seal contents safely shut easily by using this 100-pack of Staples EasyClose security-tint #6-3/4 envelopes.

Price is  $11.19
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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JAM Paper Security Tinted #6 3/4 Booklet Envelope 3 5/8" x 6 1/2", White, 50/Pack (61532-50) image 1
Item: 24604598
Model: 61532-50

Highlighted for its durability and smart design, JAM Paper's White with Security Tint 24lb. #6 3/4 Regular Envelopes merits your attention. Measuring a convenient 3 5/8 x 6 1/2 inches, these envelopes deliver both class and function. Crafted in a sparkling white hue, they are perfect for personal or professional use. Their security tint feature ensures confidentiality and peace of mind. Made from steadfast 24lb. paper, they withstand everyday wear and tear with ease, setting JAM Paper apart from the competition. In a world that values both aesthetics and efficiency, our envelopes lend an impressive touch to your correspondence..Size: #6 3/4 Regular Envelopes / 3 5/8 in. x 6 1/2 in. / 3.625" x 6.5" / 92mm x 165mm.Quantity: Pack of 50.Color: 24lb.. White w/Security Tint.USES: Checks, Invoices, Letterhead, Personal Letters, Statements, Bills, Flyers..Printable on off-set printing presses and some home printers.

Price is  $11.95
Unit of measure 50/Pack
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Staples QuickStrip EasyClose Self Seal Security Tinted Catalog Envelopes, 10" x 13", White, 100/Box (ST19957/19957) image 1
Item: 871075
Model: ST19957/19957

Keep private information confidential with these Staples EasyClose tamper-evident security-tinted catalog envelopes. Each envelope has an adhesive strip on the flap that makes it easy to seal contents inside, while the security tint and tamper-evident features help ensure that sensitive information is not read by third parties. These Staples EasyClose tamper-evident security-tinted catalog envelopes are built with 28-pound wove paper for durability..Catalog envelope is perfect for confidential documentation.Comes in white and made of paper.Dimensions: 10"L x 13"H; size #13.EasyClose peel-and-stick closures to speed up mail preparation time.Envelopes come in boxes of 100, making them an easy and economical choice.QuickStrip closure is quick and easy to use: simply remove strip and press to close.Protect confidential documents from prying eyes with this 100-pack of Staples EasyClose 10 x 13-inch tamper-evident security-tinted catalog envelopes.

Price is  $35.09
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples QuickStrip EasyClose Self Seal Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (ST50308-CC) image 1
Item: 394057
Model: ST50308-CC

Mail private documents safely with these easy-close security-tint envelopes. Each one has an easy-close design that doesn't require moisture to seal securely shut, while the 24-pound white wove material offers durability. These Staples easy-close envelopes boast a security-tint feature that helps keep third parties from reading private information, making them ideal for financial statements and other confidential documents..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.EasyClose closure with square flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.100 envelopes per box.The flap is on the long side for easier filling.Keep third parties from reading sensitive information by using this 100-pack of Staples easy-close #10 security-tint envelopes.

Price is  $10.49
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Staples Reveal-N-Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (1017262) image 1
22% off  of Staples Reveal-N-Seal Security Tinted #9 Double Window Envelopes, 3 7/8" x 8 7/8", White, 500/Box (1017262)
Item: 24640907
Model: ST63385-CC

Send mail easily with this 500-pack of Staples security-tinted double-window, tamper evident #9 envelopes. These envelopes feature a pressure-sensitive self-seal closure and wallet flap for quick, mess-free sealing. The security-tinted interior keeps contents private, while the double-window layout clearly displays both return and destination addresses. Sized at 3 7/8" x 8 7/8", they’re ideal for checks, statements, and other business documents. Each box includes 500 white envelopes. Perfect for high-volume mailing..#9 business envelopes (3 7/8" x 8 7/8") are ideal for everyday mailing needs.24 lb white envelopes made from durable paper for professional or personal use.Reveal-N-Seal security envelopes have a tamper evident perforated seal and close without moisture; press the 2 flaps together for a permanent seal.Security-tinted interior protects sensitive information from view.Top window (1-3/16" x 3-1/2", 3/8" from left, 2" from bottom); Bottom window (1" x 4", 3/8" from left, 1/2" from bottom).Convenient box of 500 envelopes ensures long-lasting supply.Staples Reveal-N-Seal #9 Double Window Envelopes offer secure, professional mailing with a clean, self-sealing design

Price is  $39.99
$51.29
Unit of measure 500/Box
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Staples Reveal-N-Seal Security Tinted #8-5/8 Double Window Envelopes, 3 5/8" x 8 5/8", White, 500/Box (1017263) image 1
22% off  of Staples Reveal-N-Seal Security Tinted #8-5/8 Double Window Envelopes, 3 5/8" x 8 5/8", White, 500/Box (1017263)
Item: 24640908
Model: ST63386-CC

These #8-5/8 double window business envelopes are designed to streamline your mailing process while keeping sensitive information protected. Featuring a pressure-sensitive tamper evident closure, they offer a clean, secure seal without the need for moisture. The security-tinted interior ensures privacy, while the dual window layout clearly displays sender and recipient addresses. Sized at 3 5/8" x 8 5/8", these white envelopes are ideal for checks, invoices, and other business documents. Each box includes 500 envelopes, making them perfect for high-volume mailing needs..#8-5/8 business envelopes (3 5/8" x 8 5/8") are ideal for everyday mailing needs.24 lb white envelopes made from durable paper for professional or personal use.Reveal-N-Seal security envelopes have a tamper evident perforated seal and close without moisture; press the 2 flaps together for a permanent seal.Security-tinted interior protects sensitive information from view.Top window (7/8" x 3-1/2", 5/8" from left, 2-1/4" from bottom); Bottom window (1" x 4", 5/8" from left, 5/8" from bottom).Convenient box of 500 envelopes ensures long-lasting supply.Staples Reveal-N-Seal #8-5/8 Check Size Double Window Envelopes offer a secure, professional mailing.

Price is  $39.99
$51.29
Unit of measure 500/Box
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Staples Reveal-N-Seal Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (1017264) image 1
29% off  of Staples Reveal-N-Seal Security Tinted #10 Double Window Envelopes, 4 1/8" x 9 1/2", White, 500/Box (1017264)
Item: 24640909
Model: ST63387-CC

Ensure your business correspondence stays protected and professional with Staples Reveal-N-Seal #10 Double Window Envelopes. Designed with a pressure-sensitive tamper evident closure, these envelopes eliminate the need for moistening, making mailing quick and clean. The security-tinted interior keeps sensitive information private, while the double-window design clearly displays both sender and recipient addresses. Sized at 4 1/8" x 9 1/2", these white envelopes are perfect for invoices, checks, and other important documents. Each box contains 500 envelopes, ensuring you have a reliable supply for high-volume mailing needs..#10 business envelopes (4 1/8" x 9 1/2") are ideal for everyday mailing needs.24 lb white envelopes made from durable paper for professional or personal use.Reveal-N-Seal security envelopes have a tamper evident perforated seal and close without moisture; press the 2 flaps together for a permanent seal.Security-tinted interior protects sensitive information from view.Top window: 1-1/4" x 3-1/2"; 3/8" from left; 2" from bottom; Bottom window: 1" x 4"; 3/8" from left; 1/2" from bottom.Convenient box of 500 envelopes ensures long-lasting supply.Staples Reveal-N-Seal #10 Double Window Envelopes offer secure, hassle-free mailing with a professional finish.

Price is  $39.99
$56.39
Unit of measure 500/Box
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Staples QuickStrip EasyClose Security Tinted #10 Business Envelopes, 4 1/8" x 9 1/2", White, 100/Box (19956) image 1
Item: 871070
Model: 19956

Make sure that sensitive information and paperwork remain completely sealed and confidential with these tamper-evident envelopes. Featuring a security tint that masks the contents inside, these envelopes are ideal for departments that frequently deal with private information. The #10 Staples security-tint envelopes have a tamper-proof seal that makes it easy to detect if the envelope has been opened..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.EasyClose closure with square flap seals securely without moistening.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.100 envelopes per box.Tamper-resistant envelope provides extra security for item being shipped.The flap is on the long side for easier filling.Keep your important letters and documents private with this 100-pack of Staples EasyClose tamper-evident security-tint envelopes.

Price is  $15.19
Unit of measure 100/Box
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Packing List Envelope, 4.5" x 7.5", 1000/Carton (PL472) image 1
Item: 948636
Model: PL472

The Packing list envelope in clear color measuring 4.5" x 7.5" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back Loading..Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.

Price is  $83.29
Unit of measure 1000/Carton
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LUX Gummed Security Tinted #10 Business Envelope, 4 1/2" x 9 1/2", White, 50/Pack (45146-50) image 1
Item: 24261186
Model: 45146-50

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

Price is  $17.09
Unit of measure 50/Pack
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Packing List Envelopes, 5.5" x 7", 1000/Carton (PL21) image 1
Item: 939201
Model: PL21

The Packing List Envelopes are designed for secure and professional document handling. These clear, pressure-sensitive envelopes allow documents to remain visible while being protected. With a durable 2-mil thickness, they are tamper-proof and keep contents clean and safe. The strong adhesive backing ensures secure attachment to packages or surfaces, making them ideal for shipping, storage, or organizational needs. Each carton includes 1,000 envelopes, providing a practical and economical solution for businesses or personal use..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back Loading.

Price is  $65.39
Unit of measure 1000/Carton
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TripLok Tamper-Evident Deposit Bags Compartments, White (585032) image 1
Item: 446580
Model: 585032

The Highest-Performing Security Bag in Banking.Capacity: 1000 notes/1 bundle.High visibility void message reveals tampering attempts.Patented triple-seal closure with interior adhesive leaves no openings once sealed.Special thermochromic ink turns red when subjected to heat.Security micro perforation immediately reveals attempts to pull closure up.Anti-static liner does not cling to hands and clothes, speeding up processing.Aqua detect ink reveals exposure to fluid.Large serial numbers and barcodes for easy tracking via CCTV.Security micro printing and indented side welds preventing cut and resealing.Purchase 5 packs to receive a carton.9" x 12" TripLOK Tamper-Evident Bags, Opaque, 100/Pack

Price is  $44.79
Unit of measure 100/Pack
Next-Day Delivery by tomorrow
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Packing List Envelopes, 9.5" x 12", 500/Carton (PL478) image 1
Item: 24450236
Model: PL478

The Packing List Envelopes are designed to securely protect and display shipping documents. These clear, pressure-sensitive envelopes are made with a durable 2-mil thickness, ensuring tamper-proof protection and keeping contents safe from dirt, moisture, and damage. The strong adhesive backing allows for easy and secure attachment to packages or surfaces, while the transparent face ensures documents remain visible for quick identification. With 500 envelopes per carton, they provide a practical and economical solution for shipping, storage, and organizational needs..Clear Visibility: Transparent design ensures shipping documents are easily identifiable during transport..Tamper-Proof Protection: Made with durable 2-mil thickness to safeguard contents against dirt, moisture, and damage..Strong Adhesive Backing: Secures the envelope firmly to packages or surfaces for reliable use..Convenient Size: Spacious 9.5" x 12" dimensions accommodate large documents such as packing slips and invoices..Bulk Packaging: Includes 500 envelopes per carton, offering a cost-effective solution for high-volume shipping needs.

Price is  $99.49
Unit of measure 500/Carton
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Packing List Envelope, 7" x 10", 1000/Carton (PL520) image 1
Item: 24449694
Model: PL520

The Packing list envelope in clear color measuring 7" x 10" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 500 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back loading.

Price is  $142.79
Unit of measure 1000/Carton
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Tape Logic "Clear Face" Document Envelopes, 5 1/2" x 4 1/2", Clear, 1000/Case (PL522) image 1
Item: 23978337
Model: PL522

5 1/2 x 4 1/2" "Clear Face" Document Envelopes. Transparent pressure sensitive envelopes allow your document to be read. 2 Mil tamper proof envelopes keep documents clean and safe. Back loading..Transparent pressure sensitive envelopes allow your document to be read..2 Mil tamper proof envelopes keep documents clean and safe.Back loading

Price is  $54.29
Unit of measure 1000/Carton
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Tape Logic "Clear Face" Document Envelopes, 7" x 6", Clear, 1000/Case (PL524) image 1
Item: 23978419
Model: PL524

7 x 6" "Clear Face" Document Envelopes. Transparent pressure sensitive envelopes allow your document to be read. 2 Mil tamper proof envelopes keep documents clean and safe. Back loading..Transparent pressure sensitive envelopes allow your document to be read..2 Mil tamper proof envelopes keep documents clean and safe.Back loading

Price is  $73.19
Unit of measure 1000/Carton
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Packing List Envelope, 5.125" x 8", 1000/Carton (PL473) image 1
Item: 948637
Model: PL473

The Packing list envelope in clear color measuring 5.125" x 8" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back Loading..Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.

Price is  $100.89
Unit of measure 1000/Carton
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Quality Park Survivor Tyvek Self Seal Inter-Departmental Envelope 9" x 12", White, 100/Box (QUAR2400) image 1
Item: 70510
Model: QUAR2400

Deliver confidential contracts, reports, and other important materials securely with these tamper-indicating envelopes. Featuring a self-sealing closure that reveals the word OPENED when the seal is broken, these mailers are made of 14-pound Tyvek to resist tears, punctures, and moisture for added protection. These Quality Park Survivor catalog mailers come 100 per box, making them perfect for large projects..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.Comes in white and made of Tyvek.Dimensions: 9"L x 12"H.Self-seal for a secure seal.Envelopes come in boxes of 100, making them an easy and economical choice.Water- and moisture-resistant.Safeguard sensitive documents with these Quality Park Survivor tamper-indicating catalog mailers.

Price is  $274.99
Unit of measure 100/Box
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Packing List Envelope, 6 1/2" x 10", 1000/Carton (PL476) image 1
Item: 24449692
Model: PL476

The Packing list envelope in clear color measuring 6 1/2" x 10" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back Loading.

Price is  $78.69
Unit of measure 1000/Carton
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Packing List Envelope, 4 1/2" x 6", 1000/Carton (PL2) image 1
Item: 940062
Model: PL2

The Packing list envelope in clear color measuring 4 1/2" x 6" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Protect documents during shipping..Panel face, colored Packing List Envelopes are pre-printed with "Packing List Enclosed" on heavy 2 Mil poly..Envelopes open along the first dimension.

Price is  $55.49
Unit of measure 1000/Carton
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Quality Park Reveal-N-Seal Self Seal Security Tinted #10 Double Window Envelope, 4 1/8" x 9 1/2", White, 500/Box (1014438) image 1
Item: 24629392
Model: 1014438

Quality Park #10 Reveal-N-Seal Envelopes are security tinted with a patented tamper evident seal. Stock up on value packed boxes of 500 for all of your mailing needs..#10 Business double window envelopes with side seams are great for bulk mailings.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.Double window envelopes conveniently display addresses; Top window: 1-1/4" x 3-1/2"; 3/8" from left; 2" from bottom; Bottom window: 1" x 4"; 3/8" from left; 1/2" from bottom.500 envelopes per box ensures ample supply.Give invoices, bills, and other official correspondence a professional look with these Quality Park Reveal-N-Seal self-closure security-tinted double-window white envelopes.

Price is  $124.09
Unit of measure 500/Box
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5 1/2" x 10" Clear Face Document Envelopes, Clear, 1000/Carton (PL28) image 1
Item: 939200
Model: PL28

2 Mil tamper proof envelopes keep documents clean and safe..One adhesive backing strip to load documents.Back Loading.

Price is  $92.99
Unit of measure 1000/Carton
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Packing List Envelope, 4 1/2" x 6", 1000/Carton (PL5) image 1
Item: 948646
Model: PL5

The Packing list envelope in clear color measuring 4.5" x 6" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back Loading..Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.

Price is  $83.39
Unit of measure 1000/Carton
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Staples Gummed Inter-Departmental Envelopes, 10" x 13", Multi Colors, 100/Box (SPL487513) image 1
Item: 487513
Model: ST19845

Share critical documents with other office workers or departments with these interdepartmental envelopes. The gummed closures keep items stored safely inside, while the convenient labeling section lets you define the intended recipient. These envelopes boast a tamper-evident design for added security. With a bright red color scheme and clearly marked notices, these Staples interdepartmental envelopes are easy to spot as being confidential..Inter-departmental envelopes are easy to spot as being confidential.Envelope size: 13"H x 10"W.The gummed flap closure keeps your documents secured inside the envelope.Envelopes have a square flap.Multi colored and made of paper.100 envelopes per box.Send sensitive information throughout your building securely with these Staples personal and confidential interdepartmental envelopes.

Price is  $29.49
Unit of measure 100/Box
Next-Day Delivery by tomorrow
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Tape Logic "Clear Face" Document Envelopes, 12" x 15", Clear, 500/Case (PL527) image 1
Item: 23978438
Model: PL527

12 x 15" "Clear Face" Document Envelopes. Transparent pressure sensitive envelopes allow your document to be read. 2 Mil tamper proof envelopes keep documents clean and safe. Back loading..Transparent pressure sensitive envelopes allow your document to be read..2 Mil tamper proof envelopes keep documents clean and safe.Back loading

Price is  $205.09
Unit of measure 500/Carton
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Packing List Enclosed Envelope, 4.5" x 5.5", Red, 1000/Carton (ST56492) image 1
Item: 688586
Model: ST56492

Keep shipping papers safe with this panel-style "Packing List Enclosed" envelope. The envelope is easy to load through the side and adheres securely to most standard packing materials. This Staples 4.5 x 5.5-inch packing list envelope comes in a carton of 1000, making them ideal for busy warehouses and order fulfillment centers..Packing list envelope with message "Packing List Enclosed" protects and secures documents.Side-loading envelope with partial red panel face.Dimensions: 4.5" x 5.5".1000 packing list envelopes per carton.Prevent tampering, ripping, tearing and other damage to packing lists by using this 1000-count carton of Staples 4.5 x 5.5-inch panel-style packing list envelopes.

Price is  $43.29
Unit of measure 1000/Carton
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Packing List Envelope, 10 3/4" x 6 3/4", 500/Carton (PL70) image 1
Item: 24449700
Model: PL70

The Packing list envelope in clear color measuring 10 3/4" x 6 3/4" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 500 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back loading.

Price is  $78.99
Unit of measure 500/Carton
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Quality Park Survivor Tyvek Self Seal Document Envelope 10" x 13", White, 100/Box (QUAR2420) image 1
Item: 70505
Model: QUAR2420

Safely mail photographs or sensitive paperwork in these tough, durable Tyvek mailers that protect contents from punctures, scratches, moisture or impact-related damage. These Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer envelopes stay closed during transit and special panels reveal the word "Opened" in bold red letters if forced open..Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes.White Tyvek envelopes provide superior protection for mailing important materials or documents.Dimensions: 10"L x 13"H.Self seal for secured sealing.Envelopes come in boxes of 100, making them an easy and economical choice.Water- and moisture-resistant.Flap-Stik Tyvek mailer envelopes.Ship fragile, important documents securely with this pack of Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer envelopes

Price is  $225.09
Unit of measure 100/Box
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Packing List Envelope, 3.5" x 5", Clear Face, 1000/Case (PL471) image 1
Item: 948635
Model: PL471

The Packing list envelope in clear color measuring 3.5" x 5" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Transparent pressure sensitive envelopes allow your document to be read.2 mil tamper proof envelopes keep documents clean and safe.Hot melt adhesive backing provides strong adhesion to paper and corrugated products.Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.

Price is  $44.99
Unit of measure 1000/Carton
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Packing List Envelope, 9 1/2" x 12", Clear, 500/Case (PL478) image 1
Item: 948211
Model: PL478

The Packing list envelope in clear color measuring 9 1/2" x 12" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 500 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back loading..Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.

Price is  $91.39
Unit of measure 500/Carton
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Quality Park Survivor Tyvek Self Seal Catalog Envelopes, 10"L x 13"H, White, 25/Box (QUAR4202) image 1
Item: 813458
Model: QUAR4202

Safely mail photographs or sensitive paperwork in these tough, durable Tyvek mailers that protect contents from punctures, scratches, moisture, or impact-related damage. These Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer envelopes stay closed during transit, and special panels reveal the word "Opened" in bold red letters if forced open..Expansion envelopes offer security for bulky mailings.White Tyvek envelopes provide superior protection for mailing important materials or documents.Dimensions: 10"L x 13"H.Flap-Stik self-seal closure provides a clean, quick seal immediately upon contact, the peel-off strip protects the adhesive from dust for a longer shelf life.Envelopes come in boxes of 25, making them an easy and economical choice for the business that needs to spend wisely without sacrificing quality.Tyvek material is lightweight and can save on postage.Tear- and moisture-resistant.Gusseted sides expand up to 1.5" to accommodate bulky items.Protect important documents and confidential files with this pack of Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer envelopes.

Price is  $78.69
Unit of measure 25/Box
Next-Day Delivery by tomorrow
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Packing List Envelope, 4 1/2" x 5 1/2", 1000/Carton (PL11) image 1
Item: 940063
Model: PL11

The Packing list envelope in clear color measuring 4 1/2" x 5 1/2" is made of 2 mil tamper proof material to keep documents clean and safe. Envelope has back loading design and helps you keep things organized, sold as 1000 per case..Transparent envelopes allow your document to be clearly read through the poly..2 Mil tamper proof envelopes keep documents clean and safe..Back Loading.

Price is  $36.59
Unit of measure 1000/Carton
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About Tamper-Proof Envelopes

Tamper-proof envelopes are essential for secure mailing and shipping, designed to protect sensitive documents and valuable items from unauthorized access. These envelopes provide peace of mind, ensuring that contents remain confidential and intact during transit.

Constructed with durable materials, tamper-proof envelopes are ideal for businesses and individuals who prioritize security. Their unique designs deter tampering, making them a reliable choice for legal documents, financial information, and other sensitive materials.

When selecting tamper-proof envelopes, consider features such as self-sealing closures and tear-resistant materials that enhance security. Many options also include visible tamper-evident seals, providing clear evidence if an envelope has been compromised.

Additionally, look for envelopes with varying sizes and styles to accommodate different mailing needs. Options with opaque exteriors help maintain privacy, while those with easy-to-use designs streamline the shipping process, making them a practical choice for any mailing requirement.