Top 10 Business Envelopes Double Window – Business Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. Blue Summit Supplies

#ad

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

#adBlue Summit Supplies #ad - 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.

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. Just peel and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed.

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

2. Amazon Basics

#ad

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

#adAmazon Basics #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. 9 envelopes measures 3-7/8 by 8-7/8 inches each. 500 standard-size security-tinted #9 double window envelopes.

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

3. Aimoh

#ad

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

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

Brand	Aimoh #ad
Manufacturer	Aimoh #ad
Part Number	30180

4. Blue Summit Supplies

#ad

Computer Printed Checks, Designed for QuickBooks Checks, Gummed Flap, 3 5/8 X 8 11/16, 500 Gummed Double Window Security Check Envelopes

#adBlue Summit Supplies #ad - Provides complete check security: your laser checks will be hidden with our security tint design. Perfectly fits quickbooks checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard 2 window 8 5/8 envelope.

Just moisten or lick the flap and fold it over to create a strong lasting seal: Save money with our strong gummed seal design is quick and easy and is guaranteed to stay sealed NOT SELF SEAL. 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 double window design with no need to change QuickBooks, QB Online, or Quicken settings WILL NOT FIT STATEMENTS.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Height	4.5 Inches
Length	8.5 Inches
Weight	5.11 Pounds
Width	12 Inches
Part Number	BSS-92588-005

5. Blue Summit Supplies

#ad

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. 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.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. 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.

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

6. Quality Park

#ad

Self Seal, Invoices/QuickBooks Statements, 500/Box QUA24539, Quality Park #8 5/8 Security Envelopes, 3-5/8" x 8-5/8", Double Window, 24 lb White

#adQuality Park #ad - These boxes of 500 white #8 5/8 double window security envelopes 3 5/8 in x 8 5/8 in protect your customers' sensitive data; a reflex blue pattern obscures the details of what's inside.

Stock up on boxes of 500 machinable #8 5/8 envelopes for bulk mailings. 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. 8 5/8 mailing envelopes measure 3 5/8 in height x 8 5/8 in width and are made of 24 lb white wove paper with professional side seams; #8 5/8 envelopes fit into #10 envelopes. Double window envelopes show sender and receiver addresses; top window: 3 5/8" x 8 5/8"; 5/8" from the left; 2 1/4" from the bottom; bottom window: 1" x 4", 5/8" from the left; 2 1/4" from the bottom.

Brand	Quality Park #ad
Manufacturer	0 #ad
Height	3.88 Inches
Length	13.13 Inches
Weight	5.26 Pounds
Width	9.13 Inches
Part Number	24539
Model	24539

7. HERKKA

#ad

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

#adHERKKA #ad - 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.

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. No show of memo, Payee line or amount in windows. 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.

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.

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

8. Aimoh

#ad

GUMMED Closure, Security Tinted, for Invoices, Statements and Legal Documents, 500 Count 30101, White, 500#10 Double Window Security Business Mailing Envelopes, Size 4-1/8 x 9-1/2, 24 LB

#adAimoh #ad - Long lasting supply; perfect for everyday business use, our envelopes are provided as an ultra long lasting, 500 envelope supply measuring 4-1/8 x 9-1/2, ideal for mass mailing and all business needs! Click the Orange Button to order now.

Double window security envelopes; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with secure moisture activated gummed seal and tinted security patterns. Dual window design; easily read dual windows for everyday business mailings to easily display postal addresses. Tinted security pattern; perfect for mailing invoices, our #10 Envelopes are printed with a secure tinted pattern, easily obscuring numbers and data for premium, standard business & legal documents and sensitive correspondence, statements, added security compared to other cheap envelopes.

Each envelope contains two front windows, a 1" x 3-1/2" top window positioned 1/2" from the left and 2-1/2" from the bottom and the bottom 1-1/8 X 4" window is 1/2" from the left and 3/4" from the bottom.

Brand	Aimoh #ad
Manufacturer	Aimoh #ad
Height	4.1 Inches
Length	12.2 Inches
Weight	6.1 Pounds
Width	9.5 Inches
Part Number	30101
Model	30101

9. Quality Park

#ad

Quality Park #10 Double-Window Self-Seal Security Envelopes, For Business Statements, Invoices, 500 Per Box QUA24559 24559, 4-1/8" x 9-1/2", White, 24-lb

#adQuality Park #ad - Save with self-stick: quality park #10 double-window security envelopes have a fold-away, self-sealing flap that saves you time & money. Haste, not waste: redi-seal envelopes don’t require moisture, seal instantly & won't close and stick before you're ready—that means you won't find ruined samples in the box.

An excellent value: get 500 white wove 4-1/8 inch x 9-1/2 inch #10 envelopes per box at a stock-up price. Formatted for business: double-windows display the sender & receiver addresses; fits invoices & statements from QuickBooks and other standard business software; laser and inkjet printer compatible. Enhanced security: offer the protection clients deserve & protect yourself from liability; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text.

Brand	Quality Park #ad
Manufacturer	Quality Park #ad
Height	4.13 Inches
Length	14 Inches
Weight	6.5 Pounds
Width	9.63 Inches
Part Number	24559
Model	24559

10. Quality Park

#ad

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

#adQuality Park #ad - 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 #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. 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.

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