Top 9 Envelopes with Window #9 – Business Mailing Envelopes

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1. Amazon Basics

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

#adAmazon Basics #ad - Double window allows sender and recipient addresses to show through. Interior security tint keeps content private; securely send checks, invoices, or other confidential documents. 500-count pack of #9 security envelopes with Peel & Seal closure—no moisture needed. Measures 3-7/8 by 8-7/8 inches each. 24-pound white wove paper for quality and strength; ideal for home or office.

Brand	Amazon Basics #ad
Manufacturer	Amazon Basics #ad
Height	8.8 Inches
Length	1 Inches
Weight	5.96 Pounds
Width	3.88 Inches
Part Number	amz43
Model	AMZ43

2. HERKKA

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#9 Double Window Security Envelopes, HERKKA No.9 Double Window Business Envelopes Designed for Quickbooks Invoices and Business Statements, Number 9 Size 3 7/8 Inch X 8 7/8 Inch, 500 Count, 24 LB

#adHERKKA #ad - 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. Perfect for home or office; securely send checks or other confidential documents.

500 pack self seal envelopes：herkka #9 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. Perfectly fits QuickBooks Invoices and business billing statements. No show of memo, Payee line or amount in windows. Premium security check tint envelopes: the interior of our #9 Security envelopes use a dark navy, offer the protection contents and sensitive information, heavy coverage security tint to provide guaranteed privacy for your legal or business mail, a security tint makes envelopes hard to see through that ensures upmost privacy.

Quick-seal closure: our #9 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. Double window design: only sender and return address will show on your QuickBooks invoices and monthly bills through our unique 2 window.

Brand	HERKKA #ad
Part Number	No9-2Win-Lixing

3. Blue Summit Supplies

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And Business Statements, 3 7/8 x 8 7/8, 500 #9 Single Window Security Envelopes, Designed for Secure Mailing of Payroll Checks, Thick Gummed Seal, QuickBooks Invoices, Return Mail

#adBlue Summit Supplies #ad - No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents. 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.

Create professional looking mail with the added security of a single window envelope. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels. Perfect for mailing payroll checks, QuickBooks invoices, billing statements, confidential documents, and other business mail. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Part Number	BSS-92588-025

4. Blue Summit Supplies

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Designed for Quickbooks Invoices and Business Statements with Self Seal Flip Press and Seal Flap -Number 9 Size 3 7/8 Inch X 8 7/8 Inch, 500 No. 9 Flip and Seal Double Window Security Envelopes

#adBlue Summit Supplies #ad - Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design. Quickly and easily stuff our wide envelopes with several invoices or business statements.

Perfectly fits quickbooks invoices and business statements: sender and return address will be visible on your QuickBooks invoices and monthly bills through our unique double window design. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. 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.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Weight	5.27 Pounds
Part Number	BSS-92588-007
Model	BSS-92588-007

5. Aimoh

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

#adAimoh #ad - 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.9 double window quick seal security envelopes; tired of cheap thin, easily torn envelopes? Aimoh's#9 Security Envelopes are the perfect solution, with premium security tint, extra large, easily read dual front windows and super secure quick seal adhesive.

Double windows; professional, 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, advertising campaigns and many more, 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.

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. 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.

Brand	Aimoh #ad
Manufacturer	Aimoh #ad
Height	4.1 Inches
Length	11.5 Inches
Weight	0.01 Pounds
Width	9.2 Inches
Part Number	FBA_30139
Model	30139

6. Amazon Basics

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500 ct, White, Amazon Basics #9 Double Window Security Tinted Envelopes

#adAmazon Basics #ad - 500 standard-size security-tinted #9 double window envelopes. Double windows 3/8-inch from the left to show sender info 2 inches from bottom and recipient info 1/2 inch from bottom. Ideal for 8. 5-by-11-inch computer-generated invoices and statements. 9 envelopes measures 3-7/8 by 8-7/8 inches each.

Brand	Amazon Basics #ad
Manufacturer	Amazon Basics #ad
Height	0.01 Inches
Length	8.88 Inches
Weight	0.1 Pounds
Width	9.25 Inches
Part Number	AMZ92W
Model	AMZ92W

7. Columbian

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3-7/8 x 8-7/8 Inches, Double Window, Columbian #9 Security Envelopes, for Invoices & QuickBooks Statements, 24 lb White, Self Seal, 500/Box COLO181

#adColumbian #ad - Redi-seal self seal mailing envelopes require no moisture; the unique double flap design allows you to simply raise the lower flap and press to seal. Double window envelopes show sender and receiver addresses; top window is 1 3/16" x 3 1/2"; 3/8" from the left; 2" from the bottom; bottom window is 1" x 4"; 3/8" from the left; 1/2" from the bottom.

Stock up on boxes of 500 #9 envelopes perfect for bulk mailings. Big supply of 500 white #9 double window security envelopes protect your customers’ sensitive data; a reflex blue pattern obscures what’s inside; 3 7/8 x 8 7/8—ideal for invoices & statements. 9 mailing envelopes measure 3 7/8 in height x 8 7/8 in width and are made of 24 lb white wove paper with professional side seams; #9 envelopes fit into #10 envelopes.

Brand	Columbian #ad
Manufacturer	TOPS Products #ad
Height	9.31 Inches
Length	12.31 Inches
Weight	5.35 Pounds
Width	3.78 Inches
Part Number	COLO181
Model	COLO181

8. Prime Business Checks

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

#adPrime Business Checks #ad - Premium security: envelopes are made with thick 24 LB. Check envelopes: designed to fit quickbooks Laser Checks or any Computer Business Checks, these business envelopes fit checks perfectly, with dual windows displaying essential information without leaking out sensitive details.

Peal and seal flap: just peel and seal to create a strong lasting seal, Our self seal design is quick and easy and is guaranteed to stay sealed throughout transit. White wove paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in utmost security. Perfect secure design: measures perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving, Address will show perfect through windows, Checks amounts and memos will not be visible. Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use.

Brand	Prime Business Checks #ad
Manufacturer	Prime Business Checks #ad
Height	12 Inches
Length	8.69 Inches
Weight	4.8 Pounds
Width	3.62 Inches
Part Number	PB-92663-500
Model	PB-92663-500

9. Blue Summit Supplies

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

#adBlue Summit Supplies #ad - You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Our security envelopes will quickly and easily create a strong seal for completely secure business mail.

Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design. Perfect for mailing invoices, checks, QuickBooks Invoices and checks, billing statements, and other business mail. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels. Just peel and seal for a strong lasting seal. Create professional looking mail with the added security of a single window envelope.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Part Number	BSS-92588-004
Model	BSS-92588-004