Top 10 Self Sealing Envelopes – Business Mailing Envelopes

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1. Aimoh

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EnveGuard, Size 4-1/8 X 9-1/2 Inches, 100 Count 34100, 24 LB, No Window, #10 Security Tinted Self-Seal Envelopes, White

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Aimoh #ad - Quick-seal closure; 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.

Laser and inkjet printer compatible; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now. Enveguard technology; in today's world where our health, privacy and security is so much threatened, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, at Aimoh we approve only the highest quality products, produced from the best and safest material on earth.1

100 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack. Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Weight1.4 Pounds
Width4.3 Inches
Part Number34100
Model34100

2. Mead

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Windowless Mailing Envelopes, 4 1/8 x 9.5'', TRTAZ11A-102021-v1, Mead Security Envelopes Self Seal #10, 500 Pack

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Mead #ad - These self sealing envelopes are created by Mead, a brand known for premium paper products and stationery. With its thick and opaque material, these standard #10 envelopes keep contents completely hidden from outsiders.

Seal in seconds - these easy close self stick envelopes keep your mail secure and sealed conveniently. Made with the mead seal of quality - protect your mail without compromising quality. Each pack comes with 500 number 10 envelopes size measures 4 1/8 x 9. 5”. The solid surface makes it easy to print labels and addresses. There's no need to lick, or tape, glue, These regular Mead envelopes peel and seal with secure adhesive.

Great value for money - make sure you have a reliable and long-lasting supply of this office essential. Secured envelopes - make it impossible for prying eyes to read your sensitive information. Windowless design - best for legal and business mail, these plain White letter envelopes are designed without any see-through panels for privacy.
BrandMead #ad
ManufacturerMead #ad
Height33.37 Inches
Length33.37 Inches
Width33.37 Inches
Part NumberAST 2
ModelTRTAZ11A-102021-v1

3. Aimoh

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

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Aimoh #ad - Quick-seal closure; 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.

10 security tinted self seal envelopes; 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. Long lasting supply; large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect for everyday business correspondence and large mailing tasks! Premium security tinted pattern; 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.

Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, perfect for quick, labeling or hand-addressing, manufactured with a windowless front panel for easy printing, mass business mailings.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500
Model34010-500

4. Splendoress

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24 LB Envelops, 500 Pack Windowless, Business White Security Tinted Peel and Seal, #10 Envelopes Letter Size Self Seal, Legal Size Regular Plain Envelopes 4-1/8 x 9-1/2 Inches

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Splendoress #ad - Windowless envelope. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. Long lasting supply - 500 count per box. Self seal envelope- just peel and stick 4 1/8 in. No need to lick the flap anymore - Very convenient. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside. Ndaa section 889 Compliance Certfication. X 9 1/2 in size envelop.
BrandSplendoress #ad
ManufacturerSplendoress #ad
Height4.25 Inches
Length11.5 Inches
Weight6.06 Pounds
Width10 Inches
Part Number#10 Security Envelopes Windowless
Model#10 Security Envelopes Windowless

5. Mr. Pen

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50 Pack, #10 Security Envelopes, Envelopes Self Seal, Security Envelopes Peel and Seal, No 10 Envelopes., Business Envelopes, Self Sealing Envelopes, Mr. Pen- Security Envelopes #10

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Mr. Pen #ad - Package includes 50 security envelopes, perfect for everyday business correspondence and mailing tasks! Mr. The bright white paper makes an impression on business mailings and personal correspondence.

Pen security envelopes are fully compatible with most inkjet and laser printers for quick and easy addressing. Each security envelope measures 9. 4" x 4. 1". Mr. Pen #10 envelopes are designed with a strong self-seal adhesive strip to create a complete, super secure seal across each envelope's width that won't easily open or tear. Pen #10 envelopes are designed with a security tint pattern to protect contents and sensitive information, perfect for secure mailing. Mr.
BrandMr. Pen #ad
ManufacturerMr. Pen #ad
Part NumberNAM50
ModelNAM50

6. HERKKA

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500 Count, No.10 Windowless Bussiness Envelopes, Size 4-1/8 x 9-1/2 Inch, 24 LB, White, #10 Security Self-Seal Envelopes, Security Tinted with Printer Friendly Design

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HERKKA #ad - Perfect for check printing design: herkka envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a 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. Easy seal closure: 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 quick, mass business mailings. Click the Orange Button to order now. Premium security tint pattern: the interior of our #10 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.

Long lasting supply: large sized envelopes and 500 envelopes in every pack for a long lasting supply, perfect for everyday business correspondence and large mailing tasks! Fully compatible with most inkjet and laser printers for quick and easy addressing. 500 pack self seal bussiness envelopes:herkka #10 security envelopes are designed with peel & 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, invoices, or other confidential documents.
BrandHERKKA #ad
ManufacturerHERKKA #ad
Part NumberHERKKA
ModelHERKKA

7. Aimoh

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EnveGuard, Size 3-5/8 X 6-1/2 Inches, No Window, White, 24 LB, 300 Count 34300, 300 #6 3/4 Security Tinted Self-Seal Envelopes

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Aimoh #ad - 6 3/4 security envelopes are provided in a 300-envelope pack. 6 3/4 security tinted self seal envelopes; want the very best in secure, security-tinted envelopes with a super strong self-seal? Aimoh's No. 6 3/4 security envelopes combine durable, printer-compatible paper, a security tinted design and strong self-seal QUICK-SEAL for the best #6 3/4 security self-seal envelopes on the market.

300 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for Personal Checks, home offices and everyday use, No. Premium 24lb paper: manufactured from premium quality 24lb white sturdy paper creating a super high quality feel, perfect for personal greetings and letters. Measuring 3. 625 x 6.

5 inches. Quick-seal closure; aimoh's #6 3-4 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 Smaller & Personal documents. Super security tint pattern; #6 3 / 4 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure personal mailing while protecting sensitive information.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number34300
Model34300

8. PANDRI

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24 LB, 500 Count, #10 Security Self-Seal Envelopes, PANDRI Windowless Business Mailing Envelopes, Invoices and Statements, Security Tint Pattern for Secure Mailing, Size 4-1/8 x 9-1/2 Inch

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PANDRI #ad - Quick self-seal: this design makes it quicker and easier to send more invoices, just peel and press, no glue sticks and lick envelopes to quickly seal envelopes and save time. Perfect for mailing large quantities of everyday business envelopes and home mail.

500 pack security envelopes: pandri #10 envelopes measuring 4 1/8 x 9 1/2 are ideal for any document and are perfectly suited for business checks, invoices and documents. Windowless design: features a windowless blank design for easy printing or labeling. Secure tone: these envelopes come with a secure navy blue inner stripe that makes it difficult to see through the contents, protecting your important data and sensitive information for confidential documents such as organic business or legal.

This is the ideal envelope for home and office use. Order now. Long-term supply: no. 10 envelopes come in a box of 500, so you can store them for long-term use. Ideal for mass envelope printing when doing multiple copies of business mail, or for quick handwritten addressing for home us.
BrandPANDRI #ad
ManufacturerPANDRI #ad
Part NumberENVELOPES-500-2022
ModelENVELOPES-500-2022

9. Blue Summit Supplies

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500 No. 9 Flip and Seal Double Window Security Envelopes, Designed for Quickbooks Invoices and Business Statements with Self Seal Flip Press and Seal Flap -Number 9 Size 3 7/8 Inch X 8 7/8 Inch

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Blue Summit Supplies #ad - Save time with easy to use flip and seal self-seal design; With no need for licking or moistening, our self seal design allows for sending hundreds of invoices quickly and easily and is guaranteed to stay sealed with no need for tape or glue sticks.

Perfectly fits quickbooks invoices and business statements: sender and return address will be visible on your QuickBooks invoices and monthly bills through our unique double window design. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design. Quickly and easily stuff our wide envelopes with several invoices or business statements. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight5.27 Pounds
Part NumberBSS-92588-007
ModelBSS-92588-007

10. Quality Park

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Quality Park #10 Self-Seal Security Envelopes, 100/Box QUA69117, 24-lb White Wove, Redi-Strip Closure, Security Tint and Pattern, 4-1/8" x 9-1/2"

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Quality Park #ad - Store more, longer: redi-strip envelopes have a longer shelf-life thanks to the peelable strip that protects your adhesive from dust. Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required.

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. An excellent value: bright white 24-lb paper makes an impression for business mailings and personal correspondence; get 100 4-1/8 x 9-1/2 inch envelopes.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height2.03 Inches
Length9.63 Inches
Weight0.91 Pounds
Width4.25 Inches
Part NumberQUA69117
ModelQUA69117