Top 10 Envelopes Self Seal Security #10 – Business Mailing Envelopes

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1. Mead


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

Mead #ad - Great value for money - make sure you have a reliable and long-lasting supply of this office essential. The solid surface makes it easy to print labels and addresses. With its thick and opaque material, these standard #10 envelopes keep contents completely hidden from outsiders.

Each pack comes with 500 number 10 envelopes size measures 4 1/8 x 9. 5”. Seal in seconds - these easy close self stick envelopes keep your mail secure and sealed conveniently. These self sealing envelopes are created by Mead, a brand known for premium paper products and stationery. Made with the mead seal of quality - protect your mail without compromising quality.

There's no need to lick, or tape, glue, These regular Mead envelopes peel and seal with secure adhesive. 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

2. Aimoh


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

Aimoh #ad - 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.

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. 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. 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! .
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500

3. Amazon Basics


White, Peel & Seal Closure, 500-Pack, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes

Amazon Basics #ad - Peel-and-seal closure; no moisture needed. 10 business letter envelopes for home or office. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Product dimensions: 4-1/8 x 9-1/2 inches. Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height3.5 Inches
Length9.5 Inches
Weight6.47 Pounds
Width4.13 Inches
Part NumberAMZP5

4. Aimoh


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

Aimoh #ad - Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing. 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. 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.

Enveguard technology; in today's world where our health, privacy and security is so much threatened, at aimoh we approve only the highest quality products, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, produced from the best and safest material on earth.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100

5. Quality Park


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

Quality Park #ad - Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text.

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

6. Mead


White, Security Printed Lining for Privacy, All-Purpose 20-lb Paper, 45/Box 75026, 4-1/8" x 9-1/2", Press-It Seal-It Self Adhesive Closure, Mead #10 Envelopes

Mead #ad - Mead press it seal it number 10 security envelopes, 45 envelopes per box. Size: 4 to 1/8 inches x 9 to 1/2 inches. White envelopes with self adhesive seal, Security lining for privacy.
BrandMead #ad
ManufacturerACCO Brands #ad
Height4.3 Inches
Length9.7 Inches
Weight0.02 Pounds
Width1.5 Inches
Part Number75026

7. Splendoress


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

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

8. Aimoh


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

Aimoh #ad - 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. Double window security envelopes; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, standard business & legal documents, statements, with super strong SELF-SEAL strip and tinted security patterns.

Dual window design; easily read dual windows for everyday business mailings to easily display postal addresses. Tinted security pattern; perfect for mailing invoices, easily obscuring numbers and data for premium, standard business & legal documents and sensitive correspondence, our #10 Envelopes are printed with a secure tinted pattern, statements, added security compared to other cheap envelopes.

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. Long lasting supply; perfect for everyday business use, our envelopes are provided as an ultra long lasting, 500 envelope supply measuring 4-1/8 x 9-1/2, ideal for mass mailing and all business needs! Click the Orange Button to order now.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number30001

9. Aimoh


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

Aimoh #ad - Easy read single window; perfect for bulk mailing, extra large, perfect for displaying addresses or business information, 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, each envelope has a premium, making slow printing and hand addressing a thing of the past.

Ultra strong quick seal; manufactured with ultra strong, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, quick seal adhesive, thicker documents. Long lasting supply; 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 the Orange Button to order now.

Security tint pattern; 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. 10 single window security envelopes; forget cheap, our #10 Security Envelopes are premium quality, thin envelopes that allow contents to be easily read, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information.
BrandAimoh #ad
ManufacturerAimoh #ad
Part NumberFBA_35210

10. ValBox


ValBox 500 Count #10 Double Window Envelopes 4-1/8x9-1/2" Self Seal Security Envelopes for QuickBooks Invoices, Business Statements and Legal Documents

ValBox #ad - No need to worry about opening them easily by others. You don't need to stand licking envelopes and using glue or the water activators, which is time consuming and messy. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation.

Strong adhesive: with the strong adhesive flap, valbox #10 double window envelopes will be more evident if tampered. The detail position for the double windows, please refer the size chart on the second photos. Notice: this #10 double window envelope is not for QuickBooks Checks!!! Premium quality: these #10 double window envelope features with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. The self-seal feature makes these envelopes with windows much more convenient than regular, moisten-and-seal ones. Double windows design: the windows line up perfectly with return and sender address, ideal for legal and standard business mailings, eliminating the need for hand addressing or printing mailing labels, return documents and more.

Great self seal envelopes. Protect your invoice and statement privacy. Security invoice envelopes: forget the thin, which fit quickBooks invoices, try our ValBox #10 security envelopes, torn easily and see-through envelopes you used in the past, multiple business billing statements and return envelopes perfectly!!! The contents are also easy to slip in.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB052