ReviewsPrivate Security Envelopes

Amazon Basics Multipurpose Copy Printer Paper - White, 8.5 x 11 Inches, 8 Ream Case (4,000 Sheets) & #10 Security-Tinted Envelopes with Peel & Seal, White, 500-Pack

  • Product 1: 8-ream case of 8.5-by-11-inch multipurpose copy paper (4,000 sheets total).
  • Product 1: High-quality 20-pound weight for economical printing and resistance to paper jams.
  • Product 1: Bright white for better contrast.
  • Product 1: Works with laser/inkjet printers, copiers, and fax machines.
  • Product 2: 500-Pack of #10 security envelopes with Peel & Seal closure—no moisture needed.
  • securely send checks, invoices, or other confidential documents.
  • Product 2: Interior security tint keeps content private.
  • Product 2: 24-pound white woven paper for quality and strength.
Check Stock

Quality Park #6 3/4 Security-Tinted Envelopes with Peel & Seal, 100-Pack, White – QUA10417

  • SAVE TIME WITH SELF-STICK: Quality Park #6 3/4 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time.
  • ENHANCED SECURITY: Offer the protection clients deserve & protect yourself from liability.
  • a security tint makes envelopes hard to see through.
  • a security pattern scrambles the appearance of text.
  • LESS YUCK: We promise you won't miss licking envelopes or crumbly, drippy sponges.
  • complete your mailings, no accessories required.
  • STORE MORE, LONGER: Reid-Strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust.
  • AN EXCELLENT VALUE: Bright White 24-lb paper makes an impression for business mailings and personal correspondence.
Check Stock

DuraBox Wall Mount Locking Drop Box Steel Mailbox for Rent Payments, Mail, Keys, Cash, Checks W500 (Gray)

  • QUALITY DESIGN – Durable steel construction provides secure all-day depositing of valuables or private items such as cash, checks, car keys, remotes, small envelopes, and more. Made from 14-gauge scratch and rust resistant powder-coated steel. Perfect for daily residential and commercial use.
  • SECURE – Comes with a tubular style key lock and 2 keys that are difficult to copy. The security baffle prevents fishing from the drop-slot, and a continuous piano hinge on the retrieval door prevents prying. Keep your packages and mail organized and secure.
  • MOUNTING HARDWARE INCLUDED - Designed to be mounted on a wall. Includes mounting hardware for wood and concrete.
  • EFFICIENT DESIGN - The deposit slot opening is 9-3/8" wide and accommodates items up to 7/8" thick. This unit is not ideal for receiving large mail items such as books, magazines, catalogs, manila envelopes, and other larger mail because of the anti-phishing baffle.
  • DIMENSIONS - Exterior dimensions: 15" H x 12" W x 4-1/4" D. Retrieval door clearance of 5-1/4" H x 9-1/2" W. Product weight 16 lbs.
Check Stock

500 #9 Security Self-Seal Envelopes, Premium Security Tint Pattern, Ultra Strong Quick-Seal Closure - No Window, EnveGuard, Size 3-7/8 x 8-7/8 Inches - White - 24 LB - 500 Count (30138)

  • forget cheap envelopes that easily split and aren't suitable for secure mailing, our #9 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for documents and invoices.
  • our #9 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information.
  • envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings.
  • our #9 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting.
  • ideal for everyday business use and professional mass mailings, each box of these premium #9 Security Envelopes provide a super long lasting 500 envelope supply, for the best value on the market!.
Check Stock

500 #10 Single Left Window SELF Seal Security Envelopes - Super Strong Quick-Seal Self Sealing Closure Security Tinted Size 4-1/8 x 9-1/2 Inches 24 LB - 500 Count 35210

  • forget cheap, thin envelopes that allow contents to be easily read, our #10 Security Envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information.
  • manufactured with ultra strong, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, thicker documents.
  • perfect for bulk mailing, each envelope has a premium, extra large, easy read 4-1/2 X 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past.
  • mailing secure documents? Our #10 Security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes.
  • ideal for everyday business use, each box provides 500 envelopes for a long lasting supply, each measuring 4-1/8 x 9-1/2 inches, perfect for invoices, statements and many more business uses! Click ....
Check Stock

Office Depot Clean Seal(TM) Security Envelopes, 10 (4 1/8in. x 9 1/2in.), White, Box of 500, 12015

  • Don't let the thought of licking envelope adhesive ruin your day. Office Depot security envelopes can simplify your task. These #10 envelopes offer a convenient peel-and-seal design that requires no moisture..
  • Made of crisp 24-lb wove for a substantial feel..
  • Self-seal security envelopes are ideal for general mailings..
  • Security-tinted inside for privacy and confidentiality..
  • Office Depot security envelopes with durable 2-sided seam construction resist tearing..
Check Stock

500 Count Security Envelopes No.10, Self-Seal Envelopes #10, Plain Standard Size Business Envelopes 4-1/8 x 9-1/2 Inch, Self Stick Blank White Envelopes, Peel & Seal, Quality 24 lb Paper (Non-Window)

  • ✅ Heavyweight Security Envelopes No. 10 (non-window): We specifically designed these #10 envelopes with a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail. Crafted with thick, 24lb paper that ensures upmost privacy..
  • ✅ Never Get Fooled Again: Unlike, regular plain white envelopes, these no 10 envelopes tear when opened! Exclusive tamper evident slits provide increased security to prevent careful opening and resealing..
  • ✅ Perfect for Check Printing or Sensitive Documents: Windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. These white no-lick self-seal envelopes are used by businesses to mail documents with sensitive materials..
  • ✅ Environmentally Friendly: Rest easy when you send a letter. Our legal size envelopes are manufactured from well managed forests and are fully recyclable..
  • ✅ Maximum Strength Self Seal: Unlike other strip and seal envelopes that need extra tape or glue, Spark Ink spares no expense on thick, peel and seal adhesive that really sticks. We’d say we are the best business envelopes #10 that self-seal on Amazon. Ditch the standard white letter....
Check Stock

#10 Security Self-Seal Envelopes Windowless Design Premium Security Tint Pattern Ultra Strong Quick-Seal Closure - EnveGuard - Size 4-1/8 x 9-1/2 Inches - White - 24 LB - 500 Count 34010

  • forget cheap envelopes that easily split and aren't suitable for secure mailing, our #10 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for larger documents.
  • our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information.
  • envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, mass business mailings.
  • our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting.
  • large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect for everyday business correspondence and large mailing tasks!.
Check Stock

500#10 Double Window SELF Seal Security Envelopes - for Invoices Statements & Documents Security Tinted - EnveGuard Size 4-1/8 x 9-1/2 -White - 24 LB - 500 Count 30001

  • tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with super strong SELF-SEAL strip and tinted security patterns.
  • perfect for mailing invoices, statements, standard business & legal documents and sensitive correspondence, our #10 Envelopes are printed with a secure tinted pattern, easily obscuring numbers and data for premium, added security compared to other cheap envelopes.
  • easily read dual windows for everyday business mailings to easily display postal addresses. Each envelope contains two front windows, a 1" X 3-1/2" top window positioned 1/2" from the left and 2-1/2" from the bottom and the bottom 1-1/8 X 4" window is 1/2" from the left and 3/4" from the bottom.
  • our #10 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing for any letter sized and larger documents without splitting.
  • perfect for everyday business use, our envelopes are provided as a....
Check Stock

#10 Custom Printed Single Left Window Self Seal Security Envelopes, Text and Logo Customization, Super Strong Self Sealing Closure, Security Tinted, Size 4-1/8 x 9-1/2 Inches, 24 LB, 500 Count (72352)

  • forget cheap, thin envelopes that allow contents to be easily read, our #10 Security Envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information.
  • manufactured with ultra strong, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, thicker documents.
  • perfect for bulk mailing, each envelope has a premium, extra large, easy read 4-1/2 X 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past.
  • mailing secure documents? Our #10 Security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes.
Check Stock

Quality Park #10 Self-Seal Security Envelopes, Security Tint and Pattern, Redi-Strip Closure, 24-lb White Wove, 4-1/8\ x 9-1/2\

  • SAVE TIME WITH SELF-STICK: Quality Park 10 Security Envelopes have a strong peel and stick closure that helps you fly through mailings in record time.
  • ENHANCED SECURITY: Offer the protection clients deserve.
  • a security tint makes envelopes hard to see through.
  • a security pattern scrambles the appearance of text.
  • LESS YUCK: We promise you won't miss licking envelopes or crumbly, drippy sponges.
  • complete your mailings, no accessories required.
  • STORE MORE, LONGER: Redi-Strip envelopes have a longer shelf-life thanks to the peelable strip that protects your adhesive from dust.
  • AN EXCELLENT VALUE: Bright White 24-lb paper makes an impression for business mailings and personal correspondence.
Check Stock