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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. Premium security: envelopes are made with thick 24 LB.

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. 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.

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.

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.

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.

Quick seal adhesive: no glue sticks required. Premium quality: these security check envelopes are made with thick 24lb. 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.
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. Your accounting housekeeping just got a whole lot easier. With a easy peel-off strip that reveals a strong, permanent adhesive that won't rip or tear even through long haul journeys.

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. 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.



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.
White wove paper. This self-sealing closure will keep your envelope sealed securely. Additional safety is provided with our security tint design, which keeps check amounts and memos concealed. Get the perfect fit with our pack of 100 #8 envelopes designed to fit checks printed on QuickBooks, QuickBooks online, Quicken, and other computer software.
1. Prime Business Checks
#ad
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
#adPrime Business Checks #ad - 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.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. Premium security: envelopes are made with thick 24 LB.
More information #ad
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. 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.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. Quality Park
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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 - 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. 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.
More information #ad
Double window envelopes display just the sender & receiver addresses; precise measurements keep check amounts and memo lines out of view. 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.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
3. Blue Summit Supplies
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500 No. 8 Flip and Seal Double Window Security Check Envelopes, Designed for Quickbooks Printed Checks, Number 8 Size 3 5/8 Inch x 8 11/16 Inch
#adBlue 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. 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.
More information #ad
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.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 1 Pounds |
Part Number | BSS-92588-012 |
More information #ad
4. Aimoh
#ad
Checks Fit Perfectly, Not for Invoices, 500 Count30180, for Business Checks, QuickBooks & Quicken Checks, Size 3 5/8 x 8 11/16 Inches, 500#8 Double Window Self Seal Security Envelopes
#adAimoh #ad - 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.
More information #ad
Premium security tint check envelopes: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes. 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.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Part Number | 30180 |
More information #ad
5. Blue Summit Supplies
#ad
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.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.
More information #ad
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.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
6. Ohuhu
#ad
Business Check, Ohuhu 500 Pack # 8 Double Window Envelope SELF SEAL Adhesive Tinted Security Envelopes Quickbooks Check, Documents Secure Mailing, 3 5/8" x 8 11/16", White Envelope
#adOhuhu #ad - Double windows, these business envelopes fit checks perfectly, great quickbooks check envelope: Designed specifically for QuickBook users, with dual windows displaying essential information without leaking out sensitive details.Quick seal adhesive: no glue sticks required. Premium quality: these security check envelopes are made with thick 24lb. 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.
More information #ad
Best value: each box comes with 500 double window self seal security check envelopes envelopes, which fit standard-sized checks perfectly. 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. Your accounting housekeeping just got a whole lot easier. With a easy peel-off strip that reveals a strong, permanent adhesive that won't rip or tear even through long haul journeys.
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. Blue Summit Supplies
#ad
3 5/8 X 8 11/16, Designed for QuickBooks Checks, Gummed Flap, Computer Printed Checks, 500 Gummed 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 the standard 2 window 8 5/8 envelope.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. 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
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.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
8. Next Day Labels
#ad
Blackbaud Software ETC, Box of 500, Sage 100 program, #9 Ready-Seal Double Window Security Tinted Check Envelopes, Compatible for QuickBooks Checks
#adNext Day Labels #ad - Made in the usa by Next Day Labels TM. Fold and seal - Security Tint Inside. 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.More information #ad
Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Weight | 0.01 Pounds |
Part Number | NDL Check Envelopes |
Model | 92664 |
More information #ad
9. Prime Business Checks
#ad
Prime Business Checks Double Window Security Tinted Envelopes for Business Checks, Laser Checks, 3-5/8 x 8-11/16-Inches, 500 Envelopes PB-91663-500, QuickBooks, 24 lb
#adPrime Business Checks #ad - Envelope is ideal for all business, professional and personal correspondence. Premium 24 lb - color: white - Finish: Smooth/Wove. Designed to fit Computer business checks, QuickBooks checks. Moisture activated gummed seal. Double window, Security tinted for added privacy and confidentiality.More information #ad
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-91663-500 |
Model | PB-91663-500 |
More information #ad
10. Next Day Labels
#ad
Double Window Security Check Envelope, Measures 3-5/8 inch x 8-11/16 inches, Pack of 100 # 8 Envelopes, Size fits QuickBooks Printed Checks, Flip and Seal
#adNext Day Labels #ad - The envelopes are designed strictly for checks, not for invoices or other documents. Keep checks secure with our long lasting, durable flip-and-seal flap. An outstanding product top-quality, made by Next Day Labels TM.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.
More information #ad
Demonstrate your professionalism with our excellent quality envelopes, made of 24 lb. Our special wider design than the typical 8 5/8 inch envelope makes it quicker and easier to slide checks in. White wove paper. This self-sealing closure will keep your envelope sealed securely. Additional safety is provided with our security tint design, which keeps check amounts and memos concealed. Get the perfect fit with our pack of 100 #8 envelopes designed to fit checks printed on QuickBooks, QuickBooks online, Quicken, and other computer software.
Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Part Number | NDL-8SS-100 |
More information #ad