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

Handy double window ensures that the addresses of sender and receiver are visible, but nothing else! The amount of your check or any other information will be hidden from view. Store your envelopes in these sturdy boxes until you’ve used them all up.
The envelopes are designed strictly for checks, not for invoices or other documents. The boxes will last as long as you need them. Our special wider design than the typical 8 5/8 inch envelope makes it quicker and easier to slide checks in. Demonstrate your professionalism with our excellent quality envelopes, made of 24 lb. White wove paper.

Additional safety is provided with our security tint design, which keeps check amounts and memos concealed. Demonstrate your professionalism with our excellent quality envelopes, made of 24 lb.
Keep checks secure with our long lasting, durable flip-and-seal flap. Handy double window ensures that the addresses of sender and receiver are visible, but nothing else! The amount of your check or any other information will be hidden from view. Our special wider design than the typical 8 5/8 inch envelope makes it quicker and easier to slide checks in.

As a bonus, the glue will start sticking after four minutes in case you forgot to place A check Or letter in the envelope. Pay your employees or send your checks and business mails with This quick seal envelopes With confidence and professionalism.
Quick secure seal - stop licking envelopes! just peel and press to get a strong and secure adhesive seal that will last throughout transit without applying moisture. Use the letter envelopes for mailing Letters or QuickBooks Checks, and so on. Longlasting supply - each box comes with 250 envelopes for your daily mailing tasks, billing statements, payroll checks, confidential documents, perfect for home and office use.

Security check envelopes. No need to worry about opening them easily by others. Fits peachtree checks as well as Quicken and QuickBooks. Fits quickbooks checks and other computer printed checks perfectly.
The windows line up perfectly with return and sender address, without showing the memo or check amount line like other envelopes. Double windows design. Our valbox double window envelopes feature with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. Strong adhesive: with the strong adhesive flap, valbox #8 double window envelopes will be more evident if tampered.


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. 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.

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.

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.

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.
1. Blue Summit Supplies
#ad
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 - 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. Provides complete check security: your checks will be hidden with our security tint design.
More information #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. 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
2. Next Day Labels
#ad
Flip and Seal, Measures 3-5/8 inch x 8-11/16 inches, Double Window Security Check Envelope, Box of 500 Number 8 Envelopes, Size fits QuickBooks Printed Checks
#adNext Day Labels #ad - This self-sealing closure will keep your envelope sealed securely. An outstanding product down to the packaging! our envelopes are packed in a top-quality hard box, which will not tear during handling. Keep checks secure with our long lasting, durable flip-and-seal flap.Handy double window ensures that the addresses of sender and receiver are visible, but nothing else! The amount of your check or any other information will be hidden from view. Store your envelopes in these sturdy boxes until you’ve used them all up.
More information #ad
Additional safety is provided with our security tint design, which keeps check amounts and memos concealed. Get the perfect fit with our pack of 500 #8 envelopes designed to fit checks printed on QuickBooks, Quicken, QuickBooks online, and other computer software. The envelopes are designed strictly for checks, not for invoices or other documents. The boxes will last as long as you need them. Our special wider design than the typical 8 5/8 inch envelope makes it quicker and easier to slide checks in. Demonstrate your professionalism with our excellent quality envelopes, made of 24 lb. White wove paper.
Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Part Number | NDL-8dw |
More information #ad
3. Next Day Labels
#ad
Measures 3-5/8 inch x 8-11/16 inches, Size fits QuickBooks Printed Checks, Pack of 100 # 8 Envelopes, Double Window Security Check Envelope, Flip and Seal
#adNext Day Labels #ad - Get the perfect fit with our pack of 100 #8 envelopes designed to fit checks printed on QuickBooks, Quicken, QuickBooks online, and other computer software. White wove paper. The envelopes are designed strictly for checks, not for invoices or other documents.Additional safety is provided with our security tint design, which keeps check amounts and memos concealed. Demonstrate your professionalism with our excellent quality envelopes, made of 24 lb.
More information #ad
An outstanding product top-quality, made by Next Day Labels TM. This self-sealing closure will keep your envelope sealed securely. Keep checks secure with our long lasting, durable flip-and-seal flap. Handy double window ensures that the addresses of sender and receiver are visible, but nothing else! The amount of your check or any other information will be hidden from view. Our special wider design than the typical 8 5/8 inch envelope makes it quicker and easier to slide checks in.
Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Part Number | NDL-8SS-100 |
More information #ad
4. Compuchecks
#ad
Flip and Seal, 100 No. 8 Double Window Security Envelopes for Checks, Compuchecks, Business Envelopes with Windows Compatible with QuickBooks Check Paper Item # 8600
#adCompuchecks #ad - Keep your checks mailed secure - these two window security envelopes feature a tamper-proof, heavy coverage security tint design that makes it hard to see through, legal mails, ensuring maximum protection and privacy of your financial business documents, and other sensitive documents.As a bonus, the glue will start sticking after four minutes in case you forgot to place A check Or letter in the envelope. Pay your employees or send your checks and business mails with This quick seal envelopes With confidence and professionalism.
More information #ad
Crisp durability - boasting a thicker, bright white stock and self-seal flap creates stronger paper to ensure your documents reach their destination safely. Demonstrate your professionalism - our no 8 mailing envelopes are made with thick, durable 24 LB white wove paper which will maintain a clean professional look and feel throughout transit. Quick secure seal - stop licking envelopes! just peel and press to get a strong and secure adhesive seal that will last throughout transit without applying moisture. Use the letter envelopes for mailing Letters or QuickBooks Checks, and so on. Longlasting supply - each box comes with 250 envelopes for your daily mailing tasks, billing statements, payroll checks, confidential documents, perfect for home and office use.
Brand | Compuchecks #ad |
Manufacturer | compuchecks #ad |
Part Number | 1001 |
More information #ad
5. ValBox
#ad
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
#adValBox #ad - The self-seal feature makes these envelopes much more convenient than regular, moisten-and-seal ones. Great self seal envelopes. Protect your check privacy. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation.Security check envelopes. No need to worry about opening them easily by others. Fits peachtree checks as well as Quicken and QuickBooks. Fits quickbooks checks and other computer printed checks perfectly.
More information #ad
No show of memo, Payee line or amount in windows. Premium quality. You don't need to stand licking envelopes and using glue or the water activators, which is time consuming and messy. The checks are easy to slip in. Notice: these #8 double window envelopes are not compatible with quickbooks INVOICES. The windows line up perfectly with return and sender address, without showing the memo or check amount line like other envelopes. Double windows design. Our valbox double window envelopes feature with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. Strong adhesive: with the strong adhesive flap, valbox #8 double window envelopes will be more evident if tampered.
Brand | ValBox #ad |
Manufacturer | ValBox #ad |
Part Number | VB023 |
Model | VB023 |
More information #ad
6. Next Day Labels
#ad
Blackbaud Software ETC, Case of 2500 Envelopes, #9 Ready-Seal Double Window Security Tinted Check Envelopes, Sage 100 Program, Compatible for QuickBooks Checks
#adNext Day Labels #ad - Stop licking envelopes" Just fold the flap, get a quick, secure seal. Guaranteed to fit all your computer business checks. Made in the usa by Next Day Labels TM. Fold and seal - Security Tint Inside. Case of 2500 / 5 box's of 500 each #9 double window Check Envelope, 3-5/8 X 8-3/4.More information #ad
Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Part Number | 92664C |
More information #ad
7. Quality Park
#ad
3 5/8 x 8 11/16, 500/Box QUA50766, Redi-Strip Self Seal Closure, 24 lb White, Quality Park #8 Double Window Security Envelopes for QuickBooks Checks
#adQuality 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. 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.
More information #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. 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 |
More information #ad
8. Blue Summit Supplies
#ad
Gummed Flap, Computer Printed Checks, 3 5/8 X 8 11/16, Designed for QuickBooks Checks, 500 Gummed Double Window Security Check Envelopes
#adBlue Summit Supplies #ad - 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.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.
More information #ad
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. Provides complete check security: your laser 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 |
Height | 4.5 Inches |
Length | 8.5 Inches |
Weight | 5.11 Pounds |
Width | 12 Inches |
Part Number | BSS-92588-005 |
More information #ad
9. 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 - 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.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.
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. Quickly and easily stuff our wide envelopes with several invoices or business statements.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
10. Blue Summit Supplies
#ad
Computer Printed Checks, 500 Self Seal Double Window Security Envelopes Designed for QuickBooks Checks, 3 5/8 X 8 11/16 Not for Invoices
#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. 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. Provides complete check security: your checks will be hidden with our security tint design.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