Top 10 Double Window Envelopes Self Seal – Business Mailing Envelopes

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1. Aimoh

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

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Aimoh #ad - Quick seal adhesive; aimoh's #9 envelopes use ultra secure, super secure seal across each envelope’s width that won’t easily open or tear as with cheaper gummed seals, quick seal adhesive to create a full, perfect for larger and thicker documents. Double windows; professional, each envelope contains two front windows, easily read double front windows suitable for standard business and legal mailings, eliminating constantly printing and hand writing addresses, 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.

99 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.

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, numbers and other data within, easily read envelopes these premium #9 Security Envelopes are designed with security tinted wave patterns which easily obscure details, perfect for mailing business statements and invoices while protecting sensitive information.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.1 Inches
Length11.5 Inches
Weight0.01 Pounds
Width9.2 Inches
Part NumberFBA_30139
Model30139

2. Blue Summit Supplies

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

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Blue Summit Supplies #ad - 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.

Provides complete check security: your checks will be hidden with our security tint design. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberFBA_BSS-92588-001
ModelFBA_BSS-92588-001

3. Blue Summit Supplies

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500 No. 9 Flip and Seal Double Window Security Envelopes, 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

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Blue Summit Supplies #ad - 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. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight5.27 Pounds
Part NumberBSS-92588-007
ModelBSS-92588-007

4. Blue Summit Supplies

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

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Blue 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. 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 double window design with no need to change QuickBooks settings. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberBSS-92588-012

5. Blue Summit Supplies

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500 No. 10 Self Seal Double Window Security Envelopes, Perfect Size for Multiple Business Statements, and Return Envelopes, Number 10 Size 4 1/8 Inch X 9 ½ Inch, Quickbooks Invoices

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Blue Summit Supplies #ad - Our security envelopes will quickly and easily create a strong seal for completely secure business mail. Perfect for mailing invoices, checks, QuickBooks Invoices, billing statements, and other business mail.

No need to spend time and money stamping, or spending extra money on custom envelopes, adding return labels, just quickly slide in your business mail to create professional looking business mail. Just peel and seal for a strong lasting seal. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Your return and sender address will line up perfectly. Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Provides complete business mail security: your business mail will be completely hidden with our dark security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Height4.4 Inches
Length11.9 Inches
Weight6.25 Pounds
Width10.1 Inches
Part NumberBSS-92588-003
Model74689

6. Aimoh

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

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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. 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. 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.

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.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number30180

7. ValBox

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Business Statements and Legal Documents, ValBox 500 Count #10 Double Window Envelopes 4-1/8x9-1/2" Self Seal Security Envelopes for QuickBooks Invoices

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ValBox #ad - Notice: this #10 double window envelope is not for QuickBooks Checks!!! Premium quality: these #10 double window envelope features with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. Double windows design: the windows line up perfectly with return and sender address, ideal for legal and standard business mailings, return documents and more.

Protect your invoice and statement privacy. Great self seal envelopes. No need to worry about opening them easily by others. The self-seal feature makes these envelopes with windows much more convenient than regular, moisten-and-seal ones. Security invoice envelopes: forget the thin, torn easily and see-through envelopes you used in the past, try our valbox #10 security envelopes, which fit QuickBooks invoices, multiple business billing statements and return envelopes perfectly!!! The contents are also easy to slip in.

You don't need to stand licking envelopes and using glue or the water activators, which is time consuming and messy. The detail position for the double windows, eliminating the need for hand addressing or printing mailing labels, please refer the size chart on the second photos. Strong adhesive: with the strong adhesive flap, valbox #10 double window envelopes will be more evident if tampered. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB052

8. Prime Business Checks

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

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

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

9. Blue Summit Supplies

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Quickbooks Invoices, 500 No. 10 Flip and Seal Double Window Security Envelopes, Perfect Size for Multiple Business Statements, and Return Envelopes -Number 10 Size 4 1/8 X 9 ½ Inch

#ad
Blue Summit Supplies #ad - Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design. Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design.

Your return and sender address will line up perfectly. No need to spend time and money stamping, or spending extra money on custom envelopes, adding return labels, just quickly slide in your business mail to create professional looking business mail. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker.

Perfect for mailing invoices, billing statements, checks, QuickBooks Invoices, and other business mail. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-008

10. Quality Park

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

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Quality Park #ad - 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.

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. 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.
BrandQuality Park #ad
ManufacturerTOPS Products #ad
Height3.75 Inches
Length12.13 Inches
Width9.13 Inches
Part NumberQUA50766
ModelQUA50766