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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.

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.

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.
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.

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.

Double window envelopes display just the sender & receiver addresses; precise measurements keep check amounts and memo lines out of view.

Double windows, great quickbooks check enveLOPE: Designed specifically for QuickBook users, these business envelopes fit checks perfectly, with dual windows displaying essential information without leaking out sensitive details.
Quick seal adhesive: no glue sticks required. With a easy peel-off strip that reveals a strong, permanent adhesive that won't rip or tear even through long haul journeys. Security tinted envelopes: these business check envelopes feature high quality security patterns with heavy paper stock to protect confidential information, for absolute peace of mind when mailing sensitive information.


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

Premium quality wove paper, these QuickBooks envelopes maintain a professional look and appearance. Peel and seal flap: the double window envelopes use an adhesive peel and seal slip that creates a strong seal without moisture to ensure your documents stay sealed and reach their destination safely.
Advanced security check envelopes : designed of thick 24 lb. Guaranteed to fit your computer checks. Crisp durability – boasting a thicker, bright white stock and self-seal flap creates stronger paper to ensure your documents reach their destination safely. Keep the business envelopes in the box as long as they last. Easy view envelopes: the double window in front displays the address WITHOUT leaking out sensitive information from the two Windows such as checks amounts or memos.

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. No show of memo, payee line or amount in windows.
Ideal for quickbooks Check, Business Check, Documents Secure Mailing. 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.
1. Prime Business Checks
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Ultra Security Tinted, 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
#adPrime Business Checks #ad - 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.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.
More information #ad
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. 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.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 |
More information #ad
2. 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
#adBlue Summit Supplies #ad - 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. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.
More information #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 settings. 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.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 1 Pounds |
Part Number | BSS-92588-012 |
More information #ad
3. Aimoh
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Checks Fit Perfectly, QuickBooks & Quicken Checks, 500 Count30180, 500#8 Double Window Self Seal Security Envelopes, Not for Invoices, for Business Checks, Size 3 5/8 x 8 11/16 Inches
#adAimoh #ad - Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use. 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.
More information #ad
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.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Part Number | 30180 |
More information #ad
4. 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
#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. 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.
More information #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.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 1 Pounds |
Part Number | FBA_BSS-92588-001 |
Model | FBA_BSS-92588-001 |
More information #ad
5. Quality Park
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Redi-Strip Self Seal Closure, Quality Park #8 Double Window Security Envelopes for QuickBooks Checks, 500/Box QUA50766, 24 lb White, 3 5/8 x 8 11/16
#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. 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.Double window envelopes display just the sender & receiver addresses; precise measurements keep check amounts and memo lines out of view.
More information #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. 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 |
More information #ad
6. Ohuhu
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3 5/8" x 8 11/16", White Envelope, Business Check, Ohuhu 500 Pack # 8 Double Window Envelope SELF SEAL Adhesive Tinted Security Envelopes Quickbooks Check, Documents Secure Mailing
#adOhuhu #ad - Premium quality: these security check envelopes are made with thick 24lb. Paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in tip-top condition, with absolutely no security compromises.Double windows, great quickbooks check enveLOPE: Designed specifically for QuickBook users, these business envelopes fit checks perfectly, with dual windows displaying essential information without leaking out sensitive details.
More information #ad
Best value: each box comes with 500 double window self seal security check envelopes envelopes, which fit standard-sized checks perfectly. Your accounting housekeeping just got a whole lot easier. Quick seal adhesive: no glue sticks required. With a easy peel-off strip that reveals a strong, permanent adhesive that won't rip or tear even through long haul journeys. Security tinted envelopes: these business check envelopes feature high quality security patterns with heavy paper stock to protect confidential information, for absolute peace of mind when mailing sensitive information.
Brand | Ohuhu #ad |
Manufacturer | Ohuhu #ad |
Height | 3.9 Inches |
Length | 10.8 Inches |
Width | 9.3 Inches |
Part Number | Y44-82000-01-new |
Model | # 8 |
Warranty | Ohuhu |
More information #ad
7. Next Day Labels
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Compatible for QuickBooks Checks, #9 Ready-Seal Double Window Security Tinted Check Envelopes, Sage 100 program, Blackbaud Software ETC, Box of 500
#adNext Day Labels #ad - Made in the usa by Next Day Labels TM. Stop licking envelopes" Just fold the flap, get a quick, secure seal. Guaranteed to fit all your computer business checks. Box of 500 #9 double window check Envelope, 3-7/8 X 8-7/8. Fold and seal - Security Tint Inside.More information #ad
Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Weight | 0.01 Pounds |
Part Number | 6587 |
Model | 92664 |
More information #ad
8. 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 - 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.
More information #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. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 5.27 Pounds |
Part Number | BSS-92588-007 |
Model | BSS-92588-007 |
More information #ad
9. Compuchecks
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250 Double Window Self Seal Security Check Envelopes, Compatible for QuickBooks
#adCompuchecks #ad - Tamper proof and comes with an enhanced High security tint Pattern that protects critical financial business Checks, documents and sensitive data. The self seal pull strip provides a straightforward opening without tearing. Envelope packages – each box comes with premium-grade business envelopes designed specifically for checks.Premium quality wove paper, these QuickBooks envelopes maintain a professional look and appearance. Peel and seal flap: the double window envelopes use an adhesive peel and seal slip that creates a strong seal without moisture to ensure your documents stay sealed and reach their destination safely.
More information #ad
Security tinted self-seal envelopes: each box comes with a long-lasting supply of Double Window Security Tinted Self Seal Check Envelopes designed to fit computer business checks and QuickBooks checks; ideal for bulk business, home office and personal mailing. Perfectly sized: our double window security tinted check envelopes perfectly measures 8 3/4 x 3 5/8, and prevents sliding or moving, perfectly fits QuickBooks checks, unlike ordinary envelopes. Advanced security check envelopes : designed of thick 24 lb. Guaranteed to fit your computer checks. Crisp durability – boasting a thicker, bright white stock and self-seal flap creates stronger paper to ensure your documents reach their destination safely. Keep the business envelopes in the box as long as they last. Easy view envelopes: the double window in front displays the address WITHOUT leaking out sensitive information from the two Windows such as checks amounts or memos.
Brand | Compuchecks #ad |
Manufacturer | Compuchecks #ad |
Part Number | 5511 |
Model | 5511 |
More information #ad
10. HERKKA
#ad
500 Count, #8 Double Window Security Check Envelopes, Computer Printed Checks, 24 LB, 3 5/8 X 8 11/16 NOT for INVOICES, No.8 Double Window Bussiness Envelopes Designed for QuickBooks Checks
#adHERKKA #ad - Premium security check tint envelopes: the interior of our #8 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 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. No show of memo, payee line or amount in windows.
More information #ad
Perfect for home or office; securely send checks or other confidential documents. Notice: these #8 double window envelopes are not compatible with quickbooks INVOICES. Double window design: only addresses will show through our unique 2 window. Ideal for quickbooks Check, Business Check, Documents Secure Mailing. 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.
Brand | HERKKA #ad |
Manufacturer | HERKKA #ad |
Part Number | No8-2Win-Lixing |
More information #ad