Best Legal Mailing Envelopes

Compuchecks #9 Double Window Self Seal/Flip/Stick White Security Envelopes, 8" 7/8 X 3" 7/8, 500 Count

  • KEEP YOUR CHECKS and MAILS SECURE - These security envelopes feature a tamper-proof, heavy coverage security tint design that makes it hard to see through, ensuring maximum protection and privacy of your financial business documents, legal mails, and other sensitive documents..
  • QUICK SECURE SEAL - STOP Licking Envelopes! Just peel and press to get a strong and secure adhesive seal that will last throughout transit without applying moisture. - As a bonus, the glue will start sticking after four minutes in case you forgot to place something in the envelope..
  • EASY VIEW ACCESS WINDOW – The security check envelopes feature a dual front window design that allows you to easily read your daily mails. The double window security check envelope ONLY displays the sender and receiver addresses without leaking any sensitive details..
  • LONGLASTING SUPPLY- Each box comes with 500 premium-grade envelopes for your daily mailing tasks, perfect for home and office use. Use the check envelopes for mailing QuickBooks invoices, confidential documents, payroll checks, billing statements, and so on..
  • DEMONSTRATE YOUR PROFESSIONALISM- Our No 9 mailing envelopes are made with thick, durable 24 LB white wove paper which will maintain a clean professional look and feel throughout t....
Check Stock

Compuchecks 500 No. 8 Double Window Security Envelopes for Checks - Flip and Seal - Business Envelopes with Windows Compatible with QuickBooks Check Paper (Item # 8600)

  • KEEP YOUR CHECKS MAILED SECURE - These two window security envelopes feature a tamper-proof, heavy coverage security tint design that makes it hard to see through, ensuring maximum protection and privacy of your financial business documents, legal mails, and other sensitive documents..
  • QUICK SECURE SEAL - STOP Licking Envelopes! Just peel and press to get a strong and secure adhesive seal that will last throughout transit without applying moisture. - As a bonus, the glue will start sticking after four minutes in case you forgot to place A check Or letter in the envelope..
  • LONGLASTING SUPPLY - Each box comes with 500 envelopes for your daily mailing tasks, perfect for home and office use. Use the letter envelopes for mailing Letters or QuickBooks Checks, confidential documents, payroll checks, billing statements, and so on..
  • CRISP DURABILITY - Boasting a thicker, bright white stock and self-seal flap creates stronger paper to ensure your documents reach their destination safely..
  • DEMONSTRATE YOUR PROFESSIONALISM - Our No 8 mailing envelopes are made with thick, durable 24 LB white wove paper which will maintain a clean professional look and feel throughout transit. Pay Your employees or send your checks and business mails with This quick seal envelopes Wi....
Check Stock

Clasp Envelopes - 10x13 Inch Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Office, Business, Legal or School 15 Pack 10x13, Brown Kraft

  • 10x13 CLASP ENVELOPE SET – Pack of 15 Single Reusable Envelopes Serves a Variety of Small & Large Documents for Home, Office, Business, Legal & School.
  • Made IN USA, HEAVY DUTY PAPER – Extra Strong, Durable 28LB Standard Brown Kraft Envelopes Proudly made right here in the United States Provides Confidential Protection & Exceptional Rip, Tear & Puncture Resistance - Thank you for supporting American manufacturing!.
  • DOUBLE SEAL DESIGN – Offers Reliable Security for Personal & Professional Mailing.
  • Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.
  • CATALOG ORIENTATION – Classic Open-End Style Enables Fast, Convenient Stuffing for Legal Letter, Pamphlet, Coupon, Magazine & Other Common Mailers.
  • SAFE FOR STORAGE – Ideal 10 x 13 Size is Perfect for Both Mailing & Storing Important Paperwork, Craft Projects, Stamps, Dies & More.
Check Stock

Xxcxpark 120 PCS #10 Brown Self Seal Kraft 4-1/8 x 9-1/2 inches Security Envelopes, Windowless Invisible Envelopes Super Strong Quick Seal Envelopes Security Tint Pattern Secure

  • VALUE SECURITY ENVELOPES PACKAGE - Package includes 120 PCS self seal #10 security envelopes with larger size of 4-1/8 x 9-1/2 inches which can easily get your large documents, pictures, photos, files, papers or other items organized and shipped safely..
  • HIGH QUALITY & FINE WORKMANSHIP - Say goodbye to the security envelopes in cheap quality. Here our #10 self seal security envelopes are made of high quality material with fine workmanship to keep the envelopes stay flat during the mailing time, safe mailing without causing any damage..
  • ULTRA STRONG SELF SEAL CLOSURE - The #10 security envelopes are with strong self seal tape closure to offer a ultra strong sealing performance and keep the inside documents safe, not easy to open or tear even shipped in the most Violent Express, providing the max safety..
  • WIDE USED IN ANY OCCASIONS - All the security envelopes are with windowless design which allows an easy printing, labeling or hand-addressing, great for quick, mass business mailings, great choice for standard business, legal documents and sensitive correspondence..
Check Stock

100 Pack Black Envelopes, #10 for Business, Invitations, Money, Letters, Bulk Mailing, (4 1/8 x 9 1/2 in)

  • Standard Invitation Envelopes: These number 10 envelopes feature a sleek black color.
  • the #10 business square flap windowless envelopes are great for all home or office purposes.
  • Value Pack: This pack includes 100 black envelopes in total.
  • make sure to always have some on hand when you need them!.
  • Easy to Seal Gum Flap Closure: To close the black money envelopes simply apply water to edges of flap and stick.
  • Multiple Uses: The black colored envelopes are great for mailing holiday cards, greeting cards, party invitations, announcements, birthday cards, photos, letters, personal mail and direct mail.
  • Versatile Size: Each of the #10 envelopes measures approximately 4 1/8 x 9 1/2 inches (4.12 x 9.5 inches).
Check Stock

ValBox 6x9 Self Seal Security Catalog Envelopes 250 Count Small White Envelopes for Mailing, Storage and Organizing

  • 【6 X 9 Inches, 250 Packs】 Self sealing design is a specific feature of these small catalog envelopes, which can save your time and money for no licking and long shelf life. Suitable for home, office, business, legal and more..
  • 【Quality Kraft Envelopes & Strong Sticky】Made of durable paper for exceptional rip, tear and puncture resistance. ValBox white catalog envelope is with a strong flap adhesive, you just need to pull the tab and it will self seals. It will be more easier than sponges or glue sticks and assure contents will not fall out during transit ..
  • 【Multi-Purpose & Provides Complete Security】 These catalog mailing envelopes are perfect for mailing folded sheets of papers, handmade cards, wedding invitations, photos, bulletins, Christmas cards or storing some small items in. Thick opaque paper prevents others from seeing your contents. Keep your item safe and protect your privacy..
  • 【Printer Friendly】Self sealing catalog envelope is thick enough, therefore no need to worry that the ink will bleed out or go fuzzy when you run these through your laser or inkjet printers to print address, shipping labels and etc..
  • 【Convenient Storage】ValBox 6x9 envelopes come with a sturdy box for protecting them from damaged during transportation....
Check Stock

#9 Double Window Security Envelopes HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements - Number 9 Size 3 7/8 Inch X 8 7/8 Inch - 24 LB - 500 Count

  • 500 PACK SELF SEAL ENVELOPES: HERKKA No9 Security envelopes are designed with Peel and Seal closure—no moisture needed and a premium security tint to protect sensitive information and a super strong SELF-SEAL strip. Perfect for home or office.
  • securely send checks or other confidential documents..
  • PREMIUM SECURITY CHECK TINT ENVELOPES: The interior of our No9 Security envelopes use a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy..
  • DOUBLE WINDOW DESIGN: Only sender and return address will show on your QuickBooks invoices and monthly bills through our unique 2 window . No show of memo, Payee line or amount in windows. Perfectly fits QuickBooks Invoices and business billing statements..
  • QUICK-SEAL CLOSURE: Our No9 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..
  • LONG LASTING SUPPLY: Large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect f....
Check Stock

Clasp Envelopes – 10x13 Inch Brown Kraft Catalog Envelopes - 30 Pack - with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Office, Business, Legal or School.

  • HEAVY DUTY ENVELOPES 10 x 13 : These professional-looking multipurpose envelopes feature a dual-purpose seal that allows multiple uses..
  • MADE IN USA, HEAVY DUTY PAPER : Extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the united states provides confidential protection & exceptional rip, tear & puncture resistance - thank you for supporting american manufacturing!.
  • DOUBLE SEAL DESIGN : Offers reliable security for personal & professional mailing.
  • sturdy metal dual prong clasps & gummed seals w/ tough adhesive glue..
  • CATALOG ORIENTATION : Classic open-end style enables fast, convenient stuffing for legal letter, pamphlet, coupon, magazine & other common mailers..
  • SAFE FOR STORAGE : Ideal 10 x 13 size is perfect for both mailing & storing important paperwork, craft projects, stamps, dies & more.
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