Best Secure Mailing Envelopes

36-Pack Green 5x7 Envelopes Self Seal A7 Envelopes, Gradient Colored Envelopes, Fade Out Green Envelopes, 5x7 Mailing Envelopes for Invitations, Letters, Photos, Thank You Cards, Wedding

  • Premium A7 Envelopes: The dimension of IndigoCase A7 envelopes is 5 ¼ x 7 ¼ inches. Perfect for 5x7 cards, photos, and letters. Also fit for weddings, birthdays, baby showers, graduations, and other sorts of party invitation cards..
  • Gradient Colored Envelopes: This bulk pack of A7 invitation envelopes features 9 gradient colors from green to white. These colored envelopes can be used for Christmas, Thanksgiving, Anniversaries, Corporate Events, and Banquets..
  • Self Sealing: Envelopes self seal tape helps save time for your mailing works. Just peeling off the protective strip, pressing and sealing the flap, no need to lick or moisten. The adhesion of the flap is strong, secure, and lasting, no worry about falling off when in transit..
  • Privacy Protection: Made of 120 GSM (80lb text) paper, envelopes are thick and sturdy enough to prevent transparency, hardly see through. You can stuff the envelopes with whatever bright color cards and your privacy will be well protected..
  • Printer Friendly: Try to customize and mark these 5x7 envelopes for your invitation with your laser or inkjet pr....
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Office Depot Double-Window Envelopes, 8 5/8in. (3 5/8in. x 8 5/8in.), White, Self-Adhesive, Box of 250, 77159

  • With Office Depot double-window, white envelopes, there’s no need to write out labels! Two-window envelopes display the return and mailing address..
  • #8 5/8 envelopes feature a self-adhesive closure that keeps contents safely inside..
  • Self-adhesive envelopes feature a security-tinted inside for privacy and confidentiality..
  • Make mailing labels a thing of the past in your office. Great for businesses that use check-writing software and computer-generated forms, Office Depot double-window, gummed envelopes let you display addresses from the inside..
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500#8 Double Window Self Seal Security Envelopes - for Business Checks QuickBooks & Quicken Checks Size 3 5/8 x 8 11/16 Inches - Checks Fit Perfectly - Not for Invoices 500 Count 30180

  • ✉️ PREMIUM SECURITY TINT CHECK ENVELOPES: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes.
  • ✉️ PERFECT SECURE DESIGN: Measures Perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving unlike others on the market, securing sensitive information to remain hidden even through the two windows.
  • ✉️ QUICK-SEAL SELF SEAL STRIP: Aimoh’s Double Window Security Tinted Self Seal Check Envelopes uses a premium adhesive peel and seal designed strip to create a strong, secure self-sealing seal.
  • ✉️ DUAL WINDOW CUSTOM DESIGNED FOR MAILING BUSINESS CHECKS: Top Window height is 7/8 inch X 3-1/2 inches wide and is positioned 3/8 inch from the left and 2-3/8 inch from the bottom, Bottom Window height is 7/8 inch X 3-1/2 inch wide and is positioned 7/8 inches from the left and 3/4 inches from the bottom.
  • ✉️ FIVE HUNDRED COUNT: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use.
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500 No 10 Security Envelopes - Gummed Flap - Tamper Proof Design - Security Tinted with Printer Friendly Design - Number 10 Size 4 1/8 x 9 ½ Inch - Pack of 500

  • Perfect for secure everyday home and business mailing. Our Security #10 Envelopes perfectly fit standard 8.5'' x 11'' paper sizes and other large....
  • Provides complete mail security. No need to worry about others seeing your documents, our dark black security tint completely hides you mail..
  • Cost saving Gummed seal. Save money and time sealing our strong gummed seal envelopes. No need for tape or glue sticks..
  • Easily print hundreds of envelopes with our low profile envelope design. Our Printer friendly envelopes with smooth thick paper saves you time and....
  • Prevent others from tampering with your mail with our tamper proof design with gummed seal that penetrates the paper. Once the envelope is sealed, the....
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500#8 Double Window Flip & Seal Security Envelopes - for Business Checks, QuickBooks & Quicken Checks, Size 3 5/8 x 8 11/16 Inches - Checks Fit Perfectly - Not for Invoices, 500 Count (30108)

  • ✉️ PREMIUM SECURITY TINT CHECK ENVELOPES: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes.
  • ✉️ PERFECT SECURE DESIGN: Measures Perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving unlike others on the market, securing sensitive information to remain hidden even through the two windows.
  • ✉️ FLIP & SEAL: Aimoh’s Double Window Security Tinted Flip & Seal Check Envelopes uses a premium adhesive flip and seal designed to create a strong, secure self-sealing seal.
  • ✉️ DUAL WINDOW CUSTOM DESIGNED FOR MAILING BUSINESS CHECKS: Top Window height is 7/8 inch X 3-1/2 inches wide and is positioned 3/8 inch from the left and 2-3/8 inch from the bottom, Bottom Window height is 7/8 inch X 3-1/2 inch wide and is positioned 7/8 inches from the left and 3/4 inches from the bottom.
  • ✉️ FIVE HUNDRED COUNT: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use.
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Avery Matte Clear Address Labels, Sure Feed Technology, Laser, 1\ x 4\

  • Sure Feed technology, available only on Avery Labels, helps deliver a more reliable feed through your printer to prevent misalignments and jams.
  • Matte clear label material has a frosted texture that blends into white surfaces to create a printed-on appearance.
  • Easy Peel label technology makes it simple to peel and apply printable labels quickly.
  • fold back the sheet to display the Pop-Up Edge for convenient peeling.
  • Permanent adhesive labels stay secure on a variety of surfaces such as envelopes, cardboard, plastic, glass and metal.
  • Use mailing labels to personalize envelopes, invitations, greeting cards and more with free templates on the Avery site.
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Secure Seal #CD 7.25x8 Kraft Bubble Mailers Padded Shipping Envelopes (Pack of 25)

  • SIZE – Kraft mailing envelopes padded #CD. These padded mailers measure 7.25" x 8" on the outside and 7.25" x 7" on the inside..
  • PROTECTION - Padded bubble mailers are crafted with a 3/16” shock absorbing bubble interior and the yellow envelopes exterior is made of durable and recyclable Kraft paper for superior protection during transit. These paper mailers are a more Eco-friendly alternative!.
  • SELF-SEALING SHIPPING ENVELOPES - Featured “Peel and Seal” closure technology. Our bubble envelopes come with a self-adhesive, tamper-proof seal. The durable adhesive on the fold stretches the full width of the mailer envelopes. Quickly pack and ship with very little effort!.
  • VERSATILITY - Your padded mailing envelopes can be used for anything! From home and office to shops, schools and other media mail! Our Kraft padded envelope is very easy to write on and labels adhere strongly, so they won't fall off during transit!.
  • TRUST - When choosing Shipping Depot, you can trust us for all your quality shipping supplies and padded Kraft mailers! Satisfaction is guaranteed!.
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50 Sheets to/from Address Mailing Labels, 4.5 x 3.5 Inch Blank Mail Address Label Stickers Self Adhesive Handwriting to/from Address Tags Stickers for Mailing Boxes, Envelopes, Shipping Labels

  • 【Package Includes】:You will get 50 pcs of to/from address mailing labels, sufficient address labels can meet your various uses and replacements, you can share these return address labels with your friends and family members..
  • 【Size Information】:Each return address mailing label sticker measures 11.4 x 8.8 cm/ 4.5 x 3.5 inche, enough area for you to write your own contents..
  • 【Quality Material】:The address mailing labels are made of quality coated paper, mailing labels for packages with nice adhesive, reliable and stable, not easy to fall off or tear, bring you nice using experience with the address labels for envelopes..
  • 【How to Use】:These mailing labels stickers can easily tag packages.
  • Our personalized address labels can be written and printed.
  • Rounded corners are convenient to peel off..
  • 【Wide Applications】:Adopting white and red colors, eye-catching and generous, these to/from address mailing labels tags are suitable for mailing boxes, envelopes, packages, gifts and more, can be applied at school, home and office..
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Quality Park #8 5/8 Security Envelopes Double Window Self Seal Invoices/QuickBooks Statements 3-5/8 x 8-5/8 24 lb White 500/Box QUA24539

  • These boxes of 500 white #8 5/8 double window security envelopes (3 5/8 in x 8 5/8 in) protect your customers' sensitive data.
  • Redi-Seal self seal mailing envelopes require no moisture.
  • the unique double flap design allows you to simply raise the lower flap and press to seal.
  • Double window envelopes show sender and receiver addresses.
  • #8 5/8 Mailing envelopes measure 3 5/8 in (height) x 8 5/8 in (width) and are made of 24 lb white wove paper with professional side seams.
  • Stock up on boxes of 500 machinable #8 5/8 envelopes for bulk mailings.
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200 Pack Colorful #10 Business Envelopes Self Seal Standard Envelopes for Office Checks, Business, Letter Mailing Invoices, 4.13 x 9.49 Inches (200)

  • ✔️ STOCK UP: Ensure you always have envelopes in hand for all your mailing needs.
  • ✔️ MULTIPLE USES: Perfect for mailing holiday cards, greeting cards, handwriting notes, photos, save the dates, invitations, thank you notes, and more. Eligible for mailing as a letter.
  • ✔️ PREMIUM QUALITY: Booklet style square flap with a glue seal closure.
  • made with a minimum of 30% post-consumer fiber.
  • uncoated finish is great for ink or laser jet printers.
  • ✔️ PRINTABLE & CUSTOMIZABLE: Our envelopes are printer-friendly, so you can use your home laser or inkjet printer to address them. They are printable on both digital and offset commercial printers. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.
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