Top 10 Envelope with Window – Business Mailing Envelopes

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1. AmazonBasics

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

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AmazonBasics #ad - Measures 4-1/8 by 9-1/2 inches each. Interior security tint keeps content private; single window allows address to show through. 24-pound white woven paper for quality and strength. Ideal for home or office; securely send checks, invoices, or other confidential documents. 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Part NumberAMZA26
ModelAMZA26
WarrantyN/A

2. AmazonBasics

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500 ct, AmazonBasics #9 Double Window Security Tinted Envelopes, White

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AmazonBasics #ad - Ideal for 8. 5-by-11-inch computer-generated invoices and statements. Double windows 3/8-inch from the left to show sender info 2 inches from bottom and recipient info 1/2 inch from bottom. 500 standard-size security-tinted #9 double window envelopes. 9 envelopes measures 3-7/8 by 8-7/8 inches each.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height0.01 Inches
Length8.88 Inches
Weight0.1 Pounds
Width9.25 Inches
Part NumberAMZ92W
ModelAMZ92W

3. AmazonBasics

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Security Tinted, Double Window, AmazonBasics #9 Envelopes with Peel & Seal, 500-Pack

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AmazonBasics #ad - Interior security tint keeps content private; securely send checks, invoices, or other confidential documents. 24-pound white wove paper for quality and strength; ideal for home or office. Measures 3-7/8 by 8-7/8 inches each; backed by an AmazonBasics 1-year limited warranty. 500-count pack of #9 security envelopes with Peel & Seal closure—no moisture needed. Double window allows sender and recipient addresses to show through.
BrandAmazonBasics #ad
ManufacturerAmazonBasics #ad
Height8.8 Inches
Length1 Inches
Weight5.96 Pounds
Width3.88 Inches
Part Numberamz43
Modelamz43

4. Blue Summit Supplies

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Thick Gummed Seal, 500 Number 10 Single Window Envelopes, 4 1/8 x 9 1/2, Invoices, Business Statements, Designed for Secure Mailing of Quickbooks Checks, Personal Letters

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Blue Summit Supplies #ad - Create professional looking mail with the added security of a single window envelope. No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents.

Perfect for mailing invoices, checks, billing statements, QuickBooks Invoices and checks, and other business mail. Tamper proof design with our hot melt glue adhesive manufacturing process that allows the glue to penetrate the envelope, thus causing the envelope to tear if you open after sealing. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight6.15 Pounds
Part NumberBSS-92588-011

5. Blue Summit Supplies

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3 5/8 X 8 11/16 NOT for INVOICES, 500 Self Seal Double Window Security Envelopes, Computer Printed Checks, Designed for QuickBooks Checks

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Blue Summit Supplies #ad - Just peel and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed. Perfectly fits quickbooks laser checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard two window 8 5/8 envelope.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Provides complete check security: your checks will be hidden with our security tint design. Checks amounts and memos will not be visible: Only addresses will show through our unique 2 window design with no need to change QuickBooks, QB Online, or Quicken settings.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberFBA_BSS-92588-001
ModelFBA_BSS-92588-001

6. Aimoh

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For Business Checks, 500 Count 30180, Fits Perfectly No Sliding or Moving, 500#8 Self Seal Double Window Security Check Envelopes, Not for Invoices, Size 3 5/8 x 8 11/16 Inches

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Aimoh #ad - Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use. 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.

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. Premium security tint check envelopes: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes.

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

7. Aimoh

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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

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Aimoh #ad - 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.

Easy read single window; perfect for bulk mailing, extra large, 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, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past. Long lasting supply; ideal for everyday business use, each box provides 500 envelopes for a long lasting supply, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, statements and many more business uses! Click the Orange Button to order now.

Ultra strong quick seal; manufactured with ultra strong, quick seal adhesive, perfect for mailing larger, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, thicker documents. 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Part NumberFBA_35210
ModelFBA_35210

8. Aimoh

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For Invoices, Security Tinted, 500#9 Double Window SELF Seal Security Envelopes, Size 3-7/8 x 8-7/8-24 LB, 500 Count 30139, Statements & Documents

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Aimoh #ad - 9 double window quick seal security envelopes; tired of cheap thin, extra large, easily torn envelopes? Aimoh's#9 Security Envelopes are the perfect solution, with premium security tint, easily read dual front windows and super secure quick seal adhesive. Security tint; forget thin, easily read envelopes these premium #9 Security Envelopes are designed with security tinted wave patterns which easily obscure details, numbers and other data within, perfect for mailing business statements and invoices while protecting sensitive information.

Long lasting supply; ideal for everyday business use and professional mass mailings, each box of these premium #9 Security Envelopes provide a super long lasting 500 envelope supply, for the best value on the market! Click the Orange Button to order now. Double windows; professional, advertising campaigns and many more, each envelope contains two front windows, eliminating constantly printing and hand writing addresses, easily read double front windows suitable for standard business and legal mailings, a 1-3/16" X 3-1/2" top window positioned 3/8" from the left and 2" from the bottom and the bottom 1" X 4" window is 3/8" from the left and 1/2" from the bottom.

Quick seal adhesive; aimoh's #9 envelopes use ultra secure, quick seal adhesive to create a full, super secure seal across each envelope’s width that won’t easily open or tear as with cheaper gummed seals, perfect for larger and thicker documents.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.1 Inches
Length11.5 Inches
Width9.2 Inches
Part NumberFBA_30139
Model30139

9. ACSTEP

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Acko #10 500Pack Double Window Envelopes Quick-Seal Closure Envelopes 4 1/8 x 9 1/2,Security Tint Pattern Designed for Home Office Secure Mailing,Letters and Invoices, White Envelopes 500 Count

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ACSTEP #ad - Premium security tinted pattern #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, as well as your customer's. Dual windows placed in an ideal location for checks. Security tinted design and strong self-seal quick-seal for the best security envelopes on the market.

You can use business mailing envelopes for sending invoices and checks. It 's perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 500-envelope pack. Ideal for mass mailing of business documents. Best security envelopes #10 double window envelope size 4 1/8 x 9 1/2 designed for home office secure mailing, letters and Invoices, computer business checks perfectly. Standard packagethe envelopes are 500pcs per box, packaged by a solid carton box, checks and invoices everyday, which can protect the item intact during the delivery.

Privacy and confidentiality are critical for all business and legal transactions, so this security envelopes are meet your standards. If you need to send statements, this security envelopes window fit for you!Buy with confidence!Click the Orange Button to order now! Double window envelopeit's easily read dual windows for everyday business mailings and postal addresses. Quick-seal closurestrong 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.
BrandACSTEP #ad
ManufacturerAcko #ad
Part NumberAcko - 00065
ModelBrown Cheque size envelop

10. Blue Summit Supplies

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Designed for Secure Mailing of Invoices, Documents, and Business Statements, 500 Ct, 4 1/8 x 9 1/2 Inches, Security Lining, 500 Self Seal Number 10 Single Right Window Envelopes

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Blue Summit Supplies #ad - Your business mail recipient address will show through the single right window, with your return address label added to the top left corner. Provides complete business mail security; your professional business mail will be completely hidden with our dark security tint design.

Our number 10 security envelope is perfect for mailing invoices, billing statements, and other business mail where the address is formatted on the right. With no more headaches or bad tastes in your mouth from licking envelopes, our self sealing design is quick, easy, and guaranteed to stay sealed. Create professional looking mail with the added security of a single window envelope. Maintain a professional look and feel throughout transit with our durable 24 lb white wove envelope paper. Just fold down flap and press to create a strong lasting seal.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-032