Tamper-Proof Envelopes
34 resultsThe 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
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.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.White color is ideal for business or personal correspondence.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.
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.Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.White color is ideal for business or personal correspondence.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.
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.
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".Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope.White color is ideal for business or personal correspondence.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.
JAM Paper® White #10 Business Tyvek® Envelopes measure 4 1/8 x 9 1/2 inches each and feature a versatile bright white color. This pack contains a total of 50 envelopes. Each one is made out of out of smooth, durable, tear-proof, 10% recycled Tyvek material. Tyvek is a registered trademark of DuPont, the established chemical company responsible for developing this durable polymer. If you need to mail a letter or important paperwork while keeping it safe from the weather, these envelopes are perfect for you..Business Envelope, #10.Dimensions: 4 1/8" x 9 1/2".Made with White Tyvek.Gummed Closure, Commercial Flap.50 envelopes per pack.Safety Data Sheet
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
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.
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.
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.
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.
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.
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.
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
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.
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
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.
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.
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.
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.
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.
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.
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
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.
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.
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..Dimensions: 9 1/2" x 12".2 mil tamper proof envelopes keep documents clean and safe.Back Loading.500/Case.Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.
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.
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.
The Packing list envelope in clear color measuring 4.5" x 5.5" 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..Pressure sensitive envelopes are the industry standard for quality performance.Specially formulated hot melt adhesive insures instant bonding to boxes, cases, tubes and other containers.2 mil tamper proof envelopes keep documents clean and safe.Back Loader style keeps documents secure in transit because they cannot be removed without destroying the envelope.Envelopes open along the first dimension.Dimensions listed are outside - deduct 1/2" for inside dimensions.Loading Style: Back Loading.Mil: 2 Mil.Weight: 8.Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.
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.
The Packing list envelope in clear color measuring 10" 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..Dimensions: 10" x 12".2 mil tamper proof envelopes keep documents clean and safe.Back Loading.500/Case.Packing List Envelope is transparent pressure sensitive envelope that allows your document to be read.
The Packing list envelope in clear color measuring 6.5" 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 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.
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: 12"L x 16"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 2" to accommodate bulky items.Ensure important materials arrive undamaged with this pack of Quality Park Survivor self-adhesive Flap-Stik Tyvek mailer envelopes.