Top 10 Double Window Security Envelopes 3 5/8 x 8 11/16 – Business Mailing Envelopes

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1. Quality Park

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

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Quality 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.

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. 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. 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

2. Aimoh

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

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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.

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.

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.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number30180
ModelAE-BCSQS-30180-500

3. Blue Summit Supplies

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

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Blue Summit Supplies #ad - 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. Just peel and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberFBA_BSS-92588-001
ModelFBA_BSS-92588-001

4. Blue Summit Supplies

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

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Blue Summit Supplies #ad - Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberBSS-92588-012

5. Blue Summit Supplies

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

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Blue Summit Supplies #ad - 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.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Provides complete check security: your laser checks will be hidden with our security tint design. 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. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Height4.5 Inches
Length8.5 Inches
Weight0 Pounds
Width12 Inches
Part NumberBSS-92588-005

6. Prime Business Checks

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

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Prime Business Checks #ad - 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.

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. Premium security: envelopes are made with thick 24 LB. White wove paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in utmost security. Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use.
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

7. ValBox

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ValBox 200 Count #8 Double Window Envelopes 3 5/8" x 8 11/16" Flip and Seal Double Window Security Check Envelopes- Security Tint Pattern Designed for Home Office Secure Mailing

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ValBox #ad - You don't need to stand licking envelopes and using glue or the water activators, which is time consuming and messy. Security check envelopes. Fits quickbooks checks and other computer printed checks perfectly. Premium quality. No show of memo, Payee line or amount in windows.

The checks are easy to slip in. Fits peachtree checks as well as Quicken and QuickBooks. Strong adhesive: with the strong adhesive flap, valbox #8 double window envelopes will be more evident if tampered. Notice: these #8 double window envelopes are not compatible with quickbooks INVOICES. Protect your check privacy. Double windows design. No need to worry about opening them easily by others. The windows line up perfectly with return and sender address, without showing the memo or check amount line like other envelopes.

Our valbox double window envelopes feature with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. The self-seal feature makes these envelopes much more convenient than regular, moisten-and-seal ones. Great self seal envelopes. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB023
ModelVB023

8. ValBox

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ValBox 500 Count #8 Double Window Envelopes 3 5/8" x 8 11/16" Self Seal Double Window Security Check Envelopes- Security Tint Pattern Designed for Home Office Secure Mailing

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ValBox #ad - The windows line up perfectly with return and sender address, without showing the memo or check amount line like other envelopes. No need to worry about opening them easily by others. Fits peachtree checks as well as Quicken and QuickBooks.

Security check envelopes. The checks are 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 self-seal feature makes these envelopes much more convenient than regular, moisten-and-seal ones. Notice: these #8 double window Envelopes Are Not Compatible With QuickBooks Invoices. No show of memo, Payee line or amount in windows. Double windows design. Premium quality. Strong adhesive: with the strong adhesive flap, valbox #8 double window envelopes will be more evident if tampered.

Our valbox double window envelopes feature with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. Fits quickbooks checks and other computer printed checks perfectly. Great self seal envelopes. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation.
BrandValBox #ad
ManufacturerValBox #ad
Weight5.93 Pounds
Part NumberVB008
ModelVB008

9. SuitEase

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Inner Security, Perfect Fit Laser Checks, Number 8 Size 3 5/8 Inch x 8 11/16 Inch, Double Window For Addresses, 500 #8 Flip and Seal Security Check Envelopes, Designed for Quick-Books Printed Checks

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SuitEase #ad - Our self-sealing envelopes need no moisture, just firmly press the flap down and your mail is ready for delivery. The double window feature eliminates the need for time-consuming addressing of envelopes for checks. Our value pack of 500 quickbooks envelopes is ideal for businesses keen on high standards and a professional image. These envelopes for checks are made with crisp, woven stock paper that is as durable as it is beautiful. Our quickbooks envelopes are designed with an inlaid security print to keep prying eyes out of your business mail.
BrandSuitEase #ad
ManufacturerSuitEase #ad
Part NumberEnvelopes for Checks, Self-Seal ~500~

10. Office Deed

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Documents Secure Mailing, Office Deed 500 Pack #8 Double Window Check Envelope SELF SEAL Adhesive Tinted Security Envelopes Quickbooks Check, Business Check, 3 5/8" x 8 11/16", White Envelope

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Office Deed #ad - 500 envelopes in each box: our #8 3 5/8 x 8 11/16 envelopes ideal for any document from official business letters to business check. Privacy: protect confidential client information with our security tinted envelopes.

Wove finish adds a professional touch. Quality: our security self seal envelopes made of 24-lb white wove. Double window: #8 double window check envelopes ideal for Quickbooks Check, Business Check, Documents Secure Mailing. The blue tint pattern makes impossible to see the details of the contents, even when held up to the light. These are not for invoice. Peel & seal closure: with the peel & seal closure, envelopes do not require licking to seal.

They come in boxes of 500, so you can stock up for long-term use.  . The liner keeps the gum dust-free before use. Simply press flaps together for a secure, strong seal.  . Our products will the perfect fit for all official purpose with high standard quality. Payroll checks, business checks and other important documents with confidence.
BrandOffice Deed #ad
ManufacturerOffice Deed #ad
Part NumberSSEDW8
ModelSSEDW8