As an Amazon Associate I earn from qualifying purchases.
Amazon Basics #ad - Peel-and-seal closure; no moisture needed. 10 business letter envelopes with single left address window. Interior security tint for privacy; securely send checks, invoices, or other confidential documents.
Aimoh #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.
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.
Aimoh #ad - 10 single window security envelopes; forget cheap, thin envelopes that allow contents to be easily read, our #10 Security Envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information.
Security tint pattern; mailing secure documents? our #10 security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes. Easy read single window; perfect for bulk mailing, easy read 4-1/2 x 1-1/8 poly-window, each envelope has a premium, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, extra large, making slow printing and hand addressing a thing of the past.
Ultra strong quick seal; manufactured with ultra strong, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, quick seal adhesive, thicker documents. Long lasting supply; ideal for everyday business use, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, each box provides 500 envelopes for a long lasting supply, statements and many more business uses! Click the Orange Button to order now.
Quality 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. 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. 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.
Amazon Basics #ad - 24-pound white wove paper for quality and strength; ideal for home or office. Interior security tint keeps content private; securely send checks, invoices, or other confidential documents.
Blue 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.
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.
Aimoh #ad - Quick-seal closure; our #10 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. Each envelope contains two front windows, a 1" x 3-1/2" top window positioned 1/2" from the left and 2-1/2" from the bottom and the bottom 1-1/8 X 4" window is 1/2" from the left and 3/4" from the bottom.
Double window security envelopes; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with super strong SELF-SEAL strip and tinted security patterns.
Tinted security pattern; perfect for mailing invoices, easily obscuring numbers and data for premium, our #10 Envelopes are printed with a secure tinted pattern, statements, standard business & legal documents and sensitive correspondence, added security compared to other cheap envelopes. Long lasting supply; perfect for everyday business use, 500 envelope supply measuring 4-1/8 x 9-1/2, our envelopes are provided as an ultra long lasting, ideal for mass mailing and all business needs! Click the Orange Button to order now.
HERKKA #ad - Perfect for home or office; securely send checks or other confidential documents. 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.
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.
Ideal for quickbooks Check, Documents Secure Mailing. Double window design: only addresses will show through our unique 2 window. Notice: these #8 double window envelopes are not compatible with quickbooks INVOICES. 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.
HERKKA #ad - Premium security tinted pattern: #10 security envelopes are designed with a premium security printed design 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.
Long lasting supply: each box has 500 envelopes which can meet a long lasting supply, ideal for mass mailing of everyday business tasks! Our envelopes with smooth thick paper, it’s fully compatible with most ink jet and laser printers, can print quick and easily without worry about paper jams .
Easy read single window: thin security of single window envelopes makes the contents easily to read, create a professional looking, perfect for displaying recipient addresses or business information on the single window. Click the Orange Button to order now. 10 single window security envelopes: our #10 security envelopes are designed with SELF-SEAL strip—no moisture needed and a premium security tint, invoices, to protect sensitive data and information, perfect for secure business and legal mailing, or other confidential documents.
Columbian Envelopes #ad - Protect critical documents or your customers' sensitive data; these tinted envelopes have a reflex blue pattern that obscures the details of what's inside. Stock up on boxes of 500 window envelopes and save; great for bulk mailings, these number 8 5/8 envelopes show sender and receiver addresses and can be run through a postage machine.
Box of 500 columbian white double window #8 5/8 envelopes 3-5/8" x 8-5/8" with simplySafe tamper-evident seal and peel off Release & Seal closure; top window: 13/16" x 3 1/2"; bottom window: 1" x 4".
1. Amazon Basics
#adAmazon Basics #10 Security-Tinted Self-Seal Business Envelopes with Left Window, White, Peel & Seal Closure, 500-Pack
#adMore information #ad
Product dimensions: 4-1/8 x 9-1/2 inches. Includes 500 #10 envelopes made of 24-pound white woven paper for quality and strength.| Brand | Amazon Basics #ad |
| Manufacturer | Amazon Basics #ad |
| Height | 3.5 Inches |
| Length | 9.5 Inches |
| Weight | 6.47 Pounds |
| Width | 4.13 Inches |
| Part Number | AMZA26 |
| Model | AMZA26 |
More information #ad
2. Aimoh
#adFor Business Checks, QuickBooks & Quicken Checks, Size 3 5/8 x 8 11/16 Inches, Checks Fit Perfectly, Not for Invoices, 500 Count30180, 500#8 Double Window Self Seal Security Envelopes
#adDual 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.
More information #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.
| Brand | Aimoh #ad |
| Manufacturer | Aimoh #ad |
| Part Number | 30180 |
| Model | AE-BCSQS-30180-500 |
More information #ad
3. Aimoh
#adSuper Strong Quick-Seal Self Sealing Closure, 24 LB, Size 4-1/8 x 9-1/2 Inches, 500 #10 Single Left Window SELF Seal Security Envelopes, 500 Count 35210, Security Tinted
#adSecurity tint pattern; mailing secure documents? our #10 security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes. Easy read single window; perfect for bulk mailing, easy read 4-1/2 x 1-1/8 poly-window, each envelope has a premium, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, extra large, making slow printing and hand addressing a thing of the past.
More information #ad
Ultra strong quick seal; manufactured with ultra strong, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, quick seal adhesive, thicker documents. Long lasting supply; ideal for everyday business use, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, each box provides 500 envelopes for a long lasting supply, statements and many more business uses! Click the Orange Button to order now.
| Brand | Aimoh #ad |
| Manufacturer | Aimoh #ad |
| Part Number | FBA_35210 |
| Model | FBA_35210 |
More information #ad
4. Quality Park
#adQuality Park #8 Double Window Security Envelopes for QuickBooks Checks, Redi-Strip Self Seal Closure, 24 lb White, 500/Box QUA50766, 3 5/8 x 8 11/16
#ad8 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. 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.
More information #ad
Double window envelopes display just the sender & receiver addresses; precise measurements keep check amounts and memo lines out of view. 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
5. Amazon Basics
#adAmazon Basics #9 Envelopes with Peel & Seal, Security Tinted, Double Window, 500-Pack
#adMore information #ad
Measures 3-7/8 by 8-7/8 inches each. 500-count pack of #9 security envelopes with Peel & Seal closure—no moisture needed. Double window allows sender and recipient addresses to show through.| Brand | Amazon Basics #ad |
| Manufacturer | Amazon Basics #ad |
| Height | 8.8 Inches |
| Length | 1 Inches |
| Weight | 5.96 Pounds |
| Width | 3.88 Inches |
| Part Number | amz43 |
| Model | AMZ43 |
More information #ad
6. Blue Summit Supplies
#ad500 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
#adSave 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.
More information #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.| 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
7. Aimoh
#adEnveGuard, 500 #10 Double Window SELF Seal Security Envelopes, 500 Count 30001, Security Tinted, for Invoices, 24 LB, Statements & Documents, Size 4-1/8 x 9-1/2 -White
#adDouble window security envelopes; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with super strong SELF-SEAL strip and tinted security patterns.
More information #ad
Dual window design; easily read dual windows for everyday business mailings to easily display postal addresses. Tinted security pattern; perfect for mailing invoices, easily obscuring numbers and data for premium, our #10 Envelopes are printed with a secure tinted pattern, statements, standard business & legal documents and sensitive correspondence, added security compared to other cheap envelopes. Long lasting supply; perfect for everyday business use, 500 envelope supply measuring 4-1/8 x 9-1/2, our envelopes are provided as an ultra long lasting, ideal for mass mailing and all business needs! Click the Orange Button to order now.
| Brand | Aimoh #ad |
| Manufacturer | Aimoh #ad |
| Part Number | 30001 |
| Model | 30001 |
More information #ad
8. HERKKA
#ad3 5/8 X 8 11/16 NOT for INVOICES, 24 LB, No.8 Double Window Bussiness Envelopes Designed for QuickBooks Checks, Computer Printed Checks, 500 Count, #8 Double Window Security Check Envelopes
#adEasy 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.
More information #ad
No show of memo, business check, payee line or amount in windows. Premium security check tint envelopes: the interior of our #8 Security envelopes use a dark navy, offer the protection contents and sensitive information, heavy coverage security tint to provide guaranteed privacy for your legal or business mail, a security tint makes envelopes hard to see through that ensures upmost privacy. Ideal for quickbooks Check, Documents Secure Mailing. Double window design: only addresses will show through our unique 2 window. Notice: these #8 double window envelopes are not compatible with quickbooks INVOICES. 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.
| Brand | HERKKA #ad |
| Manufacturer | HERKKA #ad |
| Part Number | No8-2Win-Lixing |
More information #ad
9. HERKKA
#adDesigned for QuickBooks Invoices & Business Statements, 24 LB, Computer Printed Checks Peel and Seal Flap Number 10 Size 4-1/8 x 9-1/2 Inches, 500#10 Single Left Window SELF Seal Security Envelopes
#adLong lasting supply: each box has 500 envelopes which can meet a long lasting supply, ideal for mass mailing of everyday business tasks! Our envelopes with smooth thick paper, it’s fully compatible with most ink jet and laser printers, can print quick and easily without worry about paper jams .
More information #ad
Ultra strong easy seal: #10 envelopes are manufactured with ultra 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 larger documents without splitting, is guaranteed to stay sealed with no need for tape or glue sticks. Easy read single window: thin security of single window envelopes makes the contents easily to read, create a professional looking, perfect for displaying recipient addresses or business information on the single window. Click the Orange Button to order now. 10 single window security envelopes: our #10 security envelopes are designed with SELF-SEAL strip—no moisture needed and a premium security tint, invoices, to protect sensitive data and information, perfect for secure business and legal mailing, or other confidential documents.
| Brand | HERKKA #ad |
| Manufacturer | HERKKA #ad |
| Part Number | No10-1Win-Lixing |
More information #ad
10. Columbian Envelopes
#adSecurity Tint, 500/Box COLO156, 3-5/8 x 8-5/8, White, SimplySafe Tamper Evident, Peel and Seal, Columbian #8 5/8 Double Window Envelopes, Pull Strip
#adBox of 500 columbian white double window #8 5/8 envelopes 3-5/8" x 8-5/8" with simplySafe tamper-evident seal and peel off Release & Seal closure; top window: 13/16" x 3 1/2"; bottom window: 1" x 4".
More information #ad
Each #8 5/8 envelope is easy to open and close; simply remove the Release & Seal strip and press the flap closed for a clean, sanitary seal; use the pull strip to open without difficulty. Columbian #8 5/8 double window envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening.| Brand | Columbian Envelopes #ad |
| Manufacturer | TOPS Products #ad |
| Height | 3.75 Inches |
| Length | 12.13 Inches |
| Width | 9.13 Inches |
| Part Number | COLO156 |
| Model | COLO156 |
More information #ad
