Top 10 Business Envelopes Security – Business Mailing Envelopes

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1. Mead

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

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Mead #ad - Size: 4 to 1/8 inches x 9 to 1/2 inches. White envelopes with self adhesive seal, Security lining for privacy. 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

2. Amazon Basics

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

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Amazon Basics #ad - 500 executive-style envelopes for business or personal use. Envelope product dimensions: 4-1/8 by 9-1/2 inches. Security tinted for added privacy; 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

3. Splendoress

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

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Splendoress #ad - 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. Windowless envelope. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside. 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

4. Splendoress

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

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Splendoress #ad - 100 envelope windowless pack - Perfect choice for small businesses, home offices and everyday use. No need to lick the flap anymore - SELF-SEAL adhesive strip creates a super secure seal across each envelope. 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. 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

5. 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 - 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.

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. However, if there's anything make you unhappy or unsatifaction, 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.

Quick-seal closure: no glue sticks required. We are confident you would love our valBox products in its quality and price. With a easy peel-off strip that reveals a strong, permanent adhesive that won’t rip or tear even through long haul journeys.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB012
ModelVB012

6. Prime Business Checks

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For Business Laser Checks, Ultra Security Tinted, Size 3 5/8 x 8 11/16-24lb NOT for INVOICES, Self Adhesive Peel & Seal White, 500 Self Seal QuickBooks Double Window Security Check Envelopes

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Prime Business Checks #ad - Self seal double Window, Security tinted for added privacy and confidentiality. Peel strip and fold flap, then press for a quick, secure seal. Designed to fit Computer business checks, QuickBooks checks. Peel & seal flap: no water required. Premium 24 lb - color: white - Finish: Smooth/Wove. Envelope is ideal for all business, professional and personal correspondence.
BrandPrime Business Checks #ad
ManufacturerPrime Business Checks #ad
Height12 Inches
Length8.69 Inches
Weight4.8 Pounds
Width3.62 Inches
Part NumberPB-92663-500
ModelPB-92663-500

7. Aimoh

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For Business Checks, QuickBooks & Quicken Checks, Not for Invoices, 500 Count30180, 500#8 Double Window Self Seal Security Envelopes, Checks Fit Perfectly, Size 3 5/8 x 8 11/16 Inches

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Aimoh #ad - Perfect secure design: measures perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving unlike others on the market, securing sensitive information to remain hidden even through the two windows.

Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use. Premium security tint check envelopes: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes. Quick-seal self seal strip: aimoh’s double window Security Tinted Self Seal Check Envelopes uses a premium adhesive peel and seal designed strip to create a strong, secure self-sealing seal.

Dual window custom designed for mailing business checks: top window height is 7/8 inch x 3-1/2 inches wide and is positioned 3/8 inch from the left and 2-3/8 inch from the bottom, Bottom Window height is 7/8 inch X 3-1/2 inch wide and is positioned 7/8 inches from the left and 3/4 inches from the bottom.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number30180

8. Spark Ink

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Standard Size Business Envelopes 4-1/8 x 9-1/2 Inch, 500 count, Blank White Envelopes, No Window, Quality 24 lb paper, Envelopes Self Seal, Security Envelopes #10

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Spark Ink #ad - Never get fooled again: these envelopes Tear When Opened! Exclusive tamper evident slits provide increased security to prevent careful opening and resealing. Crafted with thick, 24lb paper that ensures upmost privacy.

Environmentally friendly: rest easy when you send a letter. Perfect for check printing: 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. Heavyweight security envelopes: we specifically designed these envelopes with a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail. Maximum strength self seal: unlike other envelopes that need extra tape or glue, Spark Ink spares no expense on thick, peel and seal adhesive that really sticks. Our envelopes are manufactured from well managed forests and are fully recyclable.
BrandSpark Ink #ad
ManufacturerSpark Ink #ad
Part Number#10 Security Envelopes - Tamper Evident

9. CASHIER DEPOT YOUR ONE STOP SHOP FOR ALL CASHIER'S NEEDS

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100 Envelopes Left Window, Peel & Seal, 100 Cashier Depot #10 Business Envelope, 24lb. White Paper, Security-Tinted

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CASHIER DEPOT YOUR ONE STOP SHOP FOR ALL CASHIER'S NEEDS #ad - Peel & seal # 10 envelope 4 1/8 X 9 1/2. Standard 1-1/8" x 4-1/2" window positioned 7/8" from left and 1/2" from bottom. Heavy 24lb White Paper. Made in USA. 100 envelopes Security Tinted.
BrandCASHIER DEPOT YOUR ONE STOP SHOP FOR ALL CASHIER'S NEEDS #ad
ManufacturerCashier Depot #ad
Part NumberBE10

10. Blue Summit Supplies

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500 No. 10 Self Seal Single Window Security Envelopes -Designed for QuickBooks Invoices and Business Statements, Computer Printed Checks with Strong Peel and Seal Flap, Number 10 Size 4 1/8 X 9 1/2

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Blue Summit Supplies #ad - Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels. Our security envelopes will quickly and easily create a strong seal for completely secure business mail.

You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Create professional looking mail with the added security of a single window envelope. Perfect for mailing invoices, QuickBooks Invoices and checks, checks, billing statements, and other business mail. Just peel and seal for a strong lasting seal. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-004
ModelBSS-92588-004