Top 10 Envelopes with Window for Checks – Business Mailing Envelopes

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1. Quality Park

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3 5/8 x 8 11/16, Redi-Strip Self Seal Closure, 24 lb White, 500/Box QUA50766, Quality Park #8 Double Window Security Envelopes for QuickBooks Checks

#adQuality Park #ad - Our no 8 mailing envelopes are a little bit wider and roomier than your standard check envelope; 3 5/8 x 8 11/16 inches wide to more easily fit wider QuickBooks checks & other computer laser checks.

A security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text; keeps contents safe from prying eyes, even if held to light. Redi-strip peel and seal envelopes let you fly through your mail routine in record time; just peel & press for a durable adhesive seal without applying moisture. Quality park no. 8 double window envelopes are a perfect fit for QuickBooks & other computer checks; with security tint for privacy & a Redi Strip self seal closure for fast easy mail days; 500 per box. Double window envelopes display just the sender & receiver addresses; precise measurements keep check amounts and memo lines out of view.

Brand	Quality Park #ad
Manufacturer	TOPS Products #ad
Height	3.75 Inches
Length	12.13 Inches
Width	9.13 Inches
Part Number	QUA50766
Model	QUA50766

2. 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, Self Adhesive Peel & Seal White, Ultra Security Tinted

#adPrime Business Checks #ad - Premium security: envelopes are made with thick 24 LB. 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.

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. 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. White wove paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in utmost security.

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

3. Aimoh

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

#adAimoh #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. 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.

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

Brand	Aimoh #ad
Manufacturer	Aimoh #ad
Part Number	30180
Model	AE-BCSQS-30180-500

4. Blue Summit Supplies

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500 No. 8 Flip and Seal Double Window Security Check Envelopes, Designed for Quickbooks Printed Checks, Number 8 Size 3 5/8 Inch x 8 11/16 Inch

#adBlue Summit Supplies #ad - Just flip flap 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 checks, or other computer printed checks: checks will slide in easier with a slightly wider design than a standard 8 5/8 envelope. Checks amounts and memos will not be visible: Only addresses will show through our unique double window design with no need to change QuickBooks settings. Provides complete check security: your checks will be hidden with our security tint design. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Weight	1 Pounds
Part Number	BSS-92588-012

5. Blue Summit Supplies

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

#adBlue 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.

Provides complete check security: your checks will be hidden with our security tint design. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. 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.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Weight	1 Pounds
Part Number	FBA_BSS-92588-001
Model	FBA_BSS-92588-001

6. HERKKA

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

#adHERKKA #ad - 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. Perfectly fits QuickBooks Invoices and business billing statements.

Double window design: only sender and return address will show on your QuickBooks invoices and monthly bills through our unique 2 window. No show of memo, Payee line or amount in windows. Perfect for home or office; securely send checks or other confidential documents. Premium security check tint envelopes: the interior of our #9 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.5

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. 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.

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

7. HERKKA

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3 5/8 X 8 11/16 NOT for INVOICES, 24 LB, 500 Count, #8 Double Window Security Check Envelopes, No.8 Double Window Bussiness Envelopes Designed for QuickBooks Checks, Computer Printed Checks

#adHERKKA #ad - 500 pack self seal bussiness envelopes：herkka #8 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. Premium security check tint envelopes: the interior of our #8 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.

Notice: these #8 double window envelopes are not compatible with quickbooks INVOICES. 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.

Easy seal closure: our #8 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. No show of memo, payee line or amount in windows. Ideal for quickbooks Check, Business Check, Documents Secure Mailing. Double window design: only addresses will show through our unique 2 window. Perfect for home or office; securely send checks or other confidential documents.

Brand	HERKKA #ad
Manufacturer	HERKKA #ad
Part Number	No8-2Win-Lixing

8. Amazon Basics

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

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

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

9. Amazon Basics

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

#adAmazon Basics #ad - Includes 500 #10 envelopes made of 24-pound white woven paper for quality and strength. Product dimensions: 4-1/8 x 9-1/2 inches. Peel-and-seal closure; no moisture needed. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. 10 business letter envelopes with single left address window.

Brand	Amazon Basics #ad
Manufacturer	Amazon Basics #ad
Height	3.5 Inches
Length	9.5 Inches
Weight	6.47 Pounds
Width	4.13 Inches
Part Number	AMZA26
Model	AMZA26

10. Columbian Envelopes

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Pull Strip, Security Tint, White, Columbian #8 5/8 Double Window Envelopes, Peel and Seal, SimplySafe Tamper Evident, 3-5/8 x 8-5/8, 500/Box COLO156

#adColumbian Envelopes #ad - Box of 500 columbian white double window #8 5/8 envelopes 3-5/8" x 8-5/8" with simplySafe tamper-evident seal and peel off Release & Seal closure; top window: 13/16" x 3 1/2"; bottom window: 1" x 4".

Protect critical documents or your customers' sensitive data; these tinted envelopes have a reflex blue pattern that obscures the details of what's inside. Columbian #8 5/8 double window envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening. Each #8 5/8 envelope is easy to open and close; simply remove the Release & Seal strip and press the flap closed for a clean, sanitary seal; use the pull strip to open without difficulty. Stock up on boxes of 500 window envelopes and save; great for bulk mailings, these number 8 5/8 envelopes show sender and receiver addresses and can be run through a postage machine.

Brand	Columbian Envelopes #ad
Manufacturer	TOPS Products #ad
Height	3.75 Inches
Length	12.13 Inches
Width	9.13 Inches
Part Number	COLO156
Model	COLO156