Top 9 Letter Envelopes Security – Business Mailing Envelopes

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1. Aimoh

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

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Aimoh #ad - 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, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, privacy and security is so much threatened, at Aimoh we approve only the highest quality products, 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.2 Inches
Length9.7 Inches
Width4.3 Inches
Part Number34100
Model34100

2. Mead

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45 Per Box 75026, 4-1/8" X 9-1/2", Security, White, Press-it Seal-it, Mead No.10 Envelopes

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Mead #ad - White envelopes with self adhesive seal, Security lining for privacy. Size: 4 to 1/8 inches x 9 to 1/2 inches. Mead press it seal it number 10 security envelopes, 45 envelopes per box.
BrandMead #ad
ManufacturerACCO Brands #ad
Height4.3 Inches
Length9.7 Inches
Weight0.02 Pounds
Width1.5 Inches
Part Number75026
Model75026
Warrantykkk

3. Amazon Basics

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Moisture Sealed, 4 1/8-Inch x 9 1/2 Inch, Pack of 500, Amazon Basics #10 Security Tinted Business Envelopes

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Amazon Basics #ad - Dimensions: each envelope measures 4-1/8 by 9-1/2 inches HxL. Securely contains business checks, folded letter size documents, resumes or personal letters. 500 envelopes for business or personal use; security tinted interior for added document privacy. Moisture-sealed v-flap design; made of premium 24-pound white woven paper.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height0.01 Inches
Length9.5 Inches
Weight0.1 Pounds
Width4.13 Inches
Part NumberAMZSEC10
ModelAMZSEC10

4. Amazon Basics

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

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Amazon Basics #ad - Peel-and-seal closure; no moisture needed. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Includes 500 #10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing. 10 business letter envelopes for home or office. Product dimensions: 4-1/8 x 9-1/2 inches.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP5
ModelAMZP5

5. Splendoress

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#10 Security White Letter Businesses Envelopes -100 Peel and Seal Tinted Windowless # 10 Envelope, Mailing Envelopes Self Seal, Printer Friendly, Self Stick Bulk Envelops

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Splendoress #ad - 100 envelope windowless pack - Perfect choice for small businesses, home offices and everyday use. Laser and inkjet printer compatible - Measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for easy addressing. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. No need to lick the flap anymore - SELF-SEAL adhesive strip creates a super secure seal across each envelope. Tinted security pattern - Windowless envelope with a secure, security tint-pattern to protect contents and sensitive information.
BrandSplendoress #ad
Height2.2 Inches
Length9.5 Inches
Width4.12 Inches
Part NumberMailing Envelopes - 100 Envelopes
ModelMailing Envelopes - 100 Envelopes

6. Splendoress

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

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

7. Blue Summit Supplies

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Designed for Secure Mailing, Security Tinted with Printer Friendly Design, 100 No. 10 Self Seal Security Envelopes, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack

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Blue Summit Supplies #ad - Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. 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. No need to worry about others seeing your documents, our dark black security tint completely hides you mail. Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming.

These envelopes are designed for both Laser and Inkjet Printers. Easily fits invoices, letters, checks, and more. Perfect for secure everyday home and business mailing. Easily print name or logo on our low profile envelope design. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-015
ModelSG_B071R9SBXJ_US

8. HERKKA

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

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HERKKA #ad - 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.

Perfect for quick, mass business mailings. 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. 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.

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. Click the Orange Button to order now. 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.
BrandHERKKA #ad
ManufacturerHERKKA #ad
Part NumberNo10-Lixing

9. ValBox

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ValBox 500 Count #10 Security Self-Seal Envelopes Windowless Design Security Tint Pattern for Secure Mailing 4-1/8x9-1/2" ,White Business Envelopes

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ValBox #ad - Strong adhesive: with the strong adhesive flap, valbox #10 security envelopes will be more evident if tampered. 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.

With a easy peel-off strip that reveals a strong, permanent adhesive that won’t rip or tear even through long haul journeys. No need to worry about opening them easily by others. Quick-seal closure: no glue sticks required. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation. Premium security tinted pattern: 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.

10 security tinted self seal envelopes 500 count: forget the 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.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB012
ModelVB012