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

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1. Aimoh

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

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Aimoh #ad - Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, labeling or hand-addressing, perfect for quick, manufactured with a windowless front panel for easy printing, mass business mailings. 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.

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! Click the Orange Button to order now. 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.

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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.25 Inches
Length11.5 Inches
Width10 Inches
Part Number34010-500
Model34010-500

2. Quality Park

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

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Quality Park #ad - 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 & 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. 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; 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

3. Amazon Basics

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White, AmazonBasics #10 Security-Tinted Envelopes with Peel & Seal, 500-Pack

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Amazon Basics #ad - 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed. Interior security tint keeps content private. Measures 4-1/8 by 9-1/2 inches each. 24-pound white woven paper for quality and strength. Ideal for home or office; securely send checks, invoices, or other confidential documents.
BrandAmazon Basics #ad
ManufacturerAmazonBasics #ad
Part NumberAMZP5
ModelAMZP5

4. Aimoh

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

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Aimoh #ad - Enveguard technology; in today's world where our health, 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, privacy and security is so much threatened, produced from the best and safest material on earth.

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.

Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing. 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100
Model34100

5. Splendoress

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Printer Friendly, 500 Self Seal Security Mailing Envelopes, #10 White Letter Businesses Envelopes -500 Peel and Seal Tinted Windowless # 10 Envelope, Self Stick Bulk Envelops

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Splendoress #ad - No need to lick the flap anymore - Very convenient. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside. Windowless envelope. X 9 1/2 in size envelop. Long lasting supply - 500 count per box. Self seal envelope- just peel and stick 4 1/8 in.
BrandSplendoress #ad
ManufacturerSplendoress #ad
Height0.01 Inches
Length9.5 Inches
Weight6.06 Pounds
Width4.12 Inches
Part Number#10 Security Envelopes Windowless
Model#10 Security Envelopes Windowless

6. Ohuhu

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Statements & Legal Document, Invoices, Security Tint Pattern for Secure Mailing, 4-1/8 x 9-1/2 Inches, Ohuhu 500#10 Envelopes SELF SEAL Business Envelope Windowless Design

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Ohuhu #ad - Windowless, security tinted envelopes: These mailing envelopes feature high quality security patterns with heavy paper stock to protect confidential information, for absolute peace of mind when mailing sensitive information.

With a easy peel-off strip that reveals a strong, permanent adhesive that won’t rip or tear even through long haul journeys. 6. Quick seal adhesive: no glue sticks required. Paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in tip-top condition, with absolutely no security compromises. Standard #10 envelopes, perfect for quick, mass business mailings.

Best value: each box comes with 500 self-seal envelopes, which fit standard-sized checks perfectly. Premium quality: these business envelopes are made with thick 24lb. Long lasting 500 envelope supply in every box, 4-1/8 x 9-1/2: Ideal for standard business & legal documents, perfect for everyday use.
BrandOhuhu #ad
ManufacturerOhuhu #ad
Height3.9 Inches
Length10.8 Inches
Weight6.7 Pounds
Width9.3 Inches
Part NumberY44-82000-02
Model#10
WarrantyOhuhu

7. Blue Summit Supplies

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500 No. 10 Self Seal Security Envelopes, Security Tinted with Printer Friendly Design, Pack of 500, 10 Envelopes Self Seal Designed for Secure Mailing, Number 10 Size 4 1/8 x 9 ½ Inch

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Blue Summit Supplies #ad - Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Just peel and seal to create a strong lasting seal without licking or moistening.

Provides complete mail security. Perfect for secure everyday home and business mailing. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.

These envelopes are designed for both Laser and Inkjet Printers. Easily fits invoices, letters, checks, and more. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Easily print hundreds of envelopes with our low profile envelope design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-009
ModelBSS-92588-009

8. Office Deed

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And Return Envelopes 4 1/8 X 9 ½’’, Quickbooks Invoices, Office Deed 500#10 Self Seal Double Window Security Envelopes-Designed for Business Statements

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Office Deed #ad - Mail invoices, statements and other important documents with confidence. The liner keeps the gum dust-free before use. Simply press flaps together for a secure, strong seal.  . Wove finish adds a professional touch.

Our products will the perfect fit for all official purpose with high standard quality. Double window: #10 double window envelopes ideal for Quickbooks invoice, Business Statements, Return Documents Secure Mailing. The blue tint pattern makes impossible to see the details of the contents, even when held up to the light. Quality: our security self seal envelopes made of 24-lb white wove. 500 envelopes in each box: our #10 4 1/8" x 9 1/2'' envelopes ideal for invoices, return envelopes, any document from official business letters.

Peel & seal closure: with the peel & seal closure, envelopes do not require licking to seal. They come in boxes of 500, multiple business statements, so you can stock up for long-term use.  . Privacy: protect confidential client information with our security tinted envelopes.
BrandOffice Deed #ad
ManufacturerOffice Deed #ad
Part NumberSSESDW10
ModelSSESDW10

9. Columbian Envelopes

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4-1/8 x 9-1/2 Inch, Columbian #10 Self-Seal Security Tinted Envelopes, White, 100 Per Box CO284

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Columbian Envelopes #ad - White wove stock. Convenient and secure self-sealing self-seal closure; simply raise lower flap and press top flap down for a quick seal. Envelope is ideal for all business, professional and personal correspondence; #10; 4-1/8 x 9-/2 inches; 100 envelopes per box. Security tinted for added privacy and confidentiality; premium 24 lb.
BrandColumbian Envelopes #ad
ManufacturerLSC Communicaitons #ad
Height4.2 Inches
Length9.6 Inches
Weight1.25 Pounds
Width3.3 Inches
Part NumberCOLO284
ModelCOLO284
Warranty1 Year Limited Warranty. Warranty will replace defective product upto one year from purchase date.

10. Blue Summit Supplies

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Number 10 Business Envelopes Letter Size, Flip and Seal Flap, Blue Summit Supplies 500 Number 10 Envelopes Self Seal, 4 1/8 x 9 1/2-500 Count, Security Tint

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Blue Summit Supplies #ad - Provides complete mail security with no need to worry about others seeing your documents, thanks to our dark black security tint lining which completely hides your confidential mail. Designed for secure everyday home and business mailings, our windowless number 10 security envelopes are a perfect fit for standard 8.

5'' x 11'' paper sizes and other folded letter or legal size documents. Quickly stuff multiple pieces of business mail into our wide opening #10 security envelope design with large flip-and-seal opening. 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.

Create a professional look for your mail all the way to its destination thanks to our durable 24 white wove paper and smooth front envelope with no windows. Smaller #9 or #8 return envelopes will easily fit inside so you can get your invoices paid quicker.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-033