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100 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack.
Enveguard technology; in today's world where our health, at aimoh we approve only the highest quality products, privacy and security is so much threatened, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, produced from the best and safest material on earth.

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! Premium security tinted pattern; our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information.
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 larger documents without splitting.



Just peel and seal to create a strong lasting seal without licking or moistening. Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming.
Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Easily print hundreds of envelopes with our low profile envelope design. Easily fits invoices, letters, checks, and more. Perfect for secure everyday home and business mailing. Provides complete mail security.

Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming.
Provides complete mail security. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design. These envelopes are designed for both Laser and Inkjet Printers. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.

Easy read single window; perfect for bulk mailing, perfect for displaying addresses or business information, extra large, positioned 7/8" from the left and 1/2" from the bottom of the envelope, each envelope has a premium, easy read 4-1/2 X 1-1/8 poly-window, making slow printing and hand addressing a thing of the past.1
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. Ultra strong quick seal; manufactured with ultra strong, perfect for mailing larger, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, quick seal adhesive, thicker documents.

Click the Orange Button to order now. Perfect for check printing design: herkka envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office.
Premium security tint pattern: the interior of our #10 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. 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! Fully compatible with most inkjet and laser printers for quick and easy addressing.

Mail invoices, statements and other important documents with confidence. Display the receiver addresses through the window. Simply raise the lower flap and press to seal.
The unique double-flap design keeps the gum from sticking before use. The reflex blue pattern lining the envelope's interior makes it impossible to see the details of the contents, even when held up to the light.

1. Aimoh
#ad
100 Count 34100, 24 LB, No Window, White, #10 Security Tinted Self-Seal Envelopes, EnveGuard, Size 4-1/8 X 9-1/2 Inches
#adAimoh #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.100 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack.
More information #ad
Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing. Laser and inkjet printer compatible; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now. Enveguard technology; in today's world where our health, at aimoh we approve only the highest quality products, privacy and security is so much threatened, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, produced from the best and safest material on earth.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 2.2 Inches |
Length | 9.7 Inches |
Width | 4.3 Inches |
Part Number | 34100 |
Model | 34100 |
More information #ad
2. Aimoh
#ad
EnveGuard, Ultra Strong Quick-Seal Closure, Size 4-1/8 x 9-1/2 Inches, 24 LB, 500 Count 34010, Windowless Design, #10 Security Self-Seal Envelopes, Premium Security Tint Pattern, White
#adAimoh #ad - 10 security tinted self seal envelopes; forget cheap envelopes that easily split and aren't suitable for secure mailing, our #10 envelopes are designed with a premium security tint to protect sensitive information and a super strong SELF-SEAL strip, perfect for larger documents.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! Premium security tinted pattern; our #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, perfect for secure business and legal mailing while protecting sensitive information.
More information #ad
Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, perfect for quick, labeling or hand-addressing, mass business mailings. 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 larger documents without splitting.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 4.25 Inches |
Length | 11.5 Inches |
Width | 10 Inches |
Part Number | 34010-500 |
Model | 34010-500 |
More information #ad
3. Top Flight
#ad
White Paper, 500 Count, 24 lb, Strip & Seal, Security Tinted, Top Flight PSTF10NWT #10 Envelopes
#adTop Flight #ad - Country of origin : United States. Package Quantity : 1. Package weight : 6. 1 lbs. Heavy 24lb white paper - Made In Usa.More information #ad
Brand | Top Flight #ad |
Manufacturer | Top Flight #ad |
Height | 4.3 Inches |
Length | 11.8 Inches |
Weight | 6 Pounds |
Width | 10 Inches |
Part Number | PSTF10NWT |
Model | PSTF10NWT |
Warranty | #10 |
More information #ad
4. Amazon Basics
#ad
Peel & Seal Closure, 500-Pack, White, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes
#adAmazon Basics #ad - Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing. Interior security tint for privacy; securely send checks, invoices, or other confidential documents.More information #ad
Product dimensions: 4-1/8 x 9-1/2 inches. Peel-and-seal closure; no moisture needed. 10 business letter envelopes for home or office.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP5 |
Model | AMZP5 |
More information #ad
5. Blue Summit Supplies
#ad
Pack of 500, Security Tinted with Printer Friendly Design, 500 No. 10 Self Seal Security Envelopes, 10 Envelopes Self Seal Designed for Secure Mailing, Number 10 Size 4 1/8 x 9 ½ Inch
#adBlue Summit Supplies #ad - These envelopes are designed for both Laser and Inkjet Printers. No need to worry about others seeing your documents, our dark black security tint completely hides you mail. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.Just peel and seal to create a strong lasting seal without licking or moistening. Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming.
More information #ad
Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Easily print hundreds of envelopes with our low profile envelope design. Easily fits invoices, letters, checks, and more. Perfect for secure everyday home and business mailing. Provides complete mail security.
Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 0.01 Pounds |
Part Number | BSS-92588-009 |
Model | BSS-92588-009 |
More information #ad
6. Blue Summit Supplies
#ad
Security Tinted with Printer Friendly Design, 100 No. 10 Self Seal Security Envelopes, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack, Designed for Secure Mailing
#adBlue Summit Supplies #ad - Easily fits invoices, checks, letters, and more. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming.
More information #ad
Perfect for secure everyday home and business mailing. Easily print name or logo on our low profile envelope design. Just peel and seal to create a strong lasting seal without licking or moistening. Provides complete mail security. Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design. These envelopes are designed for both Laser and Inkjet Printers. No need to worry about others seeing your documents, our dark black security tint completely hides you mail.
Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 0.01 Pounds |
Part Number | BSS-92588-015 |
Model | SG_B071R9SBXJ_US |
More information #ad
7. Aimoh
#ad
Size 4-1/8 X 9-1/2 Inches, 24 LB, 500 Count 35210, #10 Single Left Window Self-Seal Security Tinted Envelopes
#adAimoh #ad - Long lasting supply; ideal for everyday business use, each box provides 500 envelopes for a long lasting supply, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, statements and many more business uses! Click the Orange Button to order now. 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, perfect for displaying addresses or business information, extra large, positioned 7/8" from the left and 1/2" from the bottom of the envelope, each envelope has a premium, easy read 4-1/2 X 1-1/8 poly-window, making slow printing and hand addressing a thing of the past.1
More information #ad
110 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. Ultra strong quick seal; manufactured with ultra strong, perfect for mailing larger, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, quick seal adhesive, thicker documents.
Brand | Aimoh #ad |
Part Number | FBA_35210 |
Model | FBA_35210 |
More information #ad
8. HERKKA
#ad
Size 4-1/8 x 9-1/2 Inch, No.10 Windowless Bussiness Envelopes, #10 Security Self-Seal Envelopes, Security Tinted with Printer Friendly Design, 500 Count, White, 24 LB
#adHERKKA #ad - 500 pack self seal bussiness envelopes:herkka #10 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. Perfect for home or office; securely send checks, invoices, or other confidential documents.Click the Orange Button to order now. Perfect for check printing design: herkka envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office.
More information #ad
Perfect for quick, mass business mailings. Easy 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. Premium security tint pattern: the interior of our #10 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. 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! Fully compatible with most inkjet and laser printers for quick and easy addressing.
Brand | HERKKA #ad |
Manufacturer | HERKKA #ad |
Part Number | No10-Lixing |
More information #ad
9. Quality Park
#ad
Quality Park #10 Left Window Security Tinted Envelopes with a Self Seal Closure for Standard Business Mailings, 24 lb. White Wove, 4-1/8 x 9-1/2, 500 per Box 21418
#adQuality Park #ad - 500 envelopes in each box: ideal for both everyday office use and bulk mailings, each box of Quality Park #10 Left Window Security Tinted Envelopes provides a long lasting supply for your Standard Business Mailings! Redi-seal self adhesive closure: with the redi-seal closure, envelopes do not require moisture to seal.Mail invoices, statements and other important documents with confidence. Display the receiver addresses through the window. Simply raise the lower flap and press to seal.
More information #ad
Single window envelope: instead of printing both the contents and the envelopes with an address, use the window to reveal pertinent information. Positioned to fit most invoice address layouts, this left side window envelope not only saves time but also makes sure the document is delivered straight into the customer's hands! Enhanced privacy features: protect sensitive client information with these security tinted envelopes. The unique double-flap design keeps the gum from sticking before use. The reflex blue pattern lining the envelope's interior makes it impossible to see the details of the contents, even when held up to the light.
Brand | Quality Park #ad |
Manufacturer | 0 #ad |
Height | 4.1 Inches |
Length | 14.2 Inches |
Weight | 6.09 Pounds |
Width | 9.8 Inches |
Part Number | 21418 |
Model | 21418 |
More information #ad
10. STAPLES
#ad
Staples 511290 Self Seal Security Tinted #10 Envelope 4 1/8-Inch X 9 1/2-Inch White 500/Bx
#adSTAPLES #ad - White wove paper for durability. Self seal closure with wallet flap seals securely without moistening. These envelopes measure 4 1/8" x 9 1/2" in size, providing enough space for your mail. Made from 24 lbs. Envelopes are suitable for all your mailing needs. Sold as 500/Box.More information #ad
Brand | STAPLES #ad |
Manufacturer | Staples #ad |
Height | 9.5 Inches |
Length | 0 Inches |
Weight | 1.19 Pounds |
Width | 4.13 Inches |
Part Number | 511290/99297 |
More information #ad