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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. Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing.

Great value for money - make sure you have a reliable and long-lasting supply of this office essential.
The solid surface makes it easy to print labels and addresses. Seal in seconds - these easy close self stick envelopes keep your mail secure and sealed conveniently. With its thick and opaque material, these blank standard #10 envelopes keep contents completely hidden from outsiders. Large bulk box comes with 500 number 10 envelopes size measures 4 1/8 x 9. 5”.

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.
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.

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.
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. Just peel and seal to create a strong lasting seal without licking or moistening. Easily fits invoices, checks, letters, and more.

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, each envelope has a premium, easy read 4-1/2 x 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, making slow printing and hand addressing a thing of the past.

Tinted security pattern; perfect for mailing invoices, easily obscuring numbers and data for premium, standard business & legal documents and sensitive correspondence, statements, our #10 Envelopes are printed with a secure tinted pattern, added security compared to other cheap envelopes.
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.

Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design.
You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Perfect for mailing invoices, QuickBooks Invoices, checks, billing statements, and other business mail.

Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.
1. Top Flight
#ad
Strip & Seal, 24 lb, 500 Count, Top Flight PSTF10NWT #10 Envelopes, White Paper, Security Tinted
#adTop Flight #ad - Security tinted. Standard 10 envelope 4 1/8 x 9 1/2. 500 count per box. Heavy 24lb white paper - made in USA. Strip & seal closure.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
2. Amazon Basics
#ad
500-Pack, White, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Closure
#adAmazon Basics #ad - Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing.More information #ad
Peel-and-seal closure; no moisture needed. Product dimensions: 4-1/8 x 9-1/2 inches. 10 business letter envelopes for home or office.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP5 |
Model | AMZP5 |
More information #ad
3. Aimoh
#ad
24 LB, No Window, White, EnveGuard, Size 4-1/8 X 9-1/2 Inches, 100 Count 34100, #10 Security Tinted Self-Seal Envelopes
#adAimoh #ad - 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. 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.More information #ad
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. 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. Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing.
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
4. Mead
#ad
Mead Security Envelopes Self Seal #10, Windowless Mailing Envelopes, 4 1/8 x 9.5 inch, 500 Pack
#adMead #ad - Made with the mead seal of quality - protect your mail without compromising quality. Secured envelopes - make it impossible for prying eyes to read your sensitive information. Windowless design - best for legal and business mailing, these plain White letter envelopes are tinted without any see-through panels for privacy.Great value for money - make sure you have a reliable and long-lasting supply of this office essential.
More information #ad
These self sealing envelopes are created by Mead, a brand known for premium paper products and stationery. There's no need to lick, or tape, glue, These regular Mead envelopes peel and seal with secure adhesive. The solid surface makes it easy to print labels and addresses. Seal in seconds - these easy close self stick envelopes keep your mail secure and sealed conveniently. With its thick and opaque material, these blank standard #10 envelopes keep contents completely hidden from outsiders. Large bulk box comes with 500 number 10 envelopes size measures 4 1/8 x 9. 5”.
Brand | Mead #ad |
Manufacturer | Mead #ad |
Part Number | AST 2 |
More information #ad
5. Aimoh
#ad
500 Count 34010, Windowless Design, White, EnveGuard, 24 LB, Size 4-1/8 x 9-1/2 Inches, #10 Security Self-Seal Envelopes, Premium Security Tint Pattern, Ultra Strong Quick-Seal Closure
#adAimoh #ad - 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.
More information #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. 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.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 4.25 Inches |
Length | 11.5 Inches |
Weight | 6.9 Pounds |
Width | 10 Inches |
Part Number | 34010-500 |
Model | 34010-500 |
More information #ad
6. Blue Summit Supplies
#ad
Security Tinted with Printer Friendly Design, Designed for Secure Mailing, 100 No. 10 Self Seal Security Envelopes, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack
#adBlue Summit Supplies #ad - No need to worry about others seeing your documents, our dark black security tint completely hides you mail. Provides complete mail security. Perfect for secure everyday home and business mailing.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.
More information #ad
Our printer friendly envelopes with smooth thick paper saves you time and frustration while printing without having to worry about jamming. Easily print name or logo on our low profile envelope design. 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. Just peel and seal to create a strong lasting seal without licking or moistening. Easily fits invoices, checks, letters, and more.
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
500 Count 35210, #10 Single Left Window Self-Seal Security Tinted Envelopes, Size 4-1/8 X 9-1/2 Inches, 24 LB
#adAimoh #ad - Ultra strong quick seal; manufactured with ultra strong, perfect for mailing larger, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, thicker documents. Long lasting supply; ideal for everyday business use, each box provides 500 envelopes for a long lasting supply, each measuring 4-1/8 x 9-1/2 inches, perfect for invoices, 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.
More information #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. Easy read single window; perfect for bulk mailing, perfect for displaying addresses or business information, extra large, each envelope has a premium, easy read 4-1/2 x 1-1/8 poly-window, positioned 7/8" from the left and 1/2" from the bottom of the envelope, making slow printing and hand addressing a thing of the past.
Brand | Aimoh #ad |
Part Number | FBA_35210 |
Model | FBA_35210 |
More information #ad
8. Aimoh
#ad
Size 4-1/8 x 9-1/2 -White, 500 Count 30001, Security Tinted, for Invoices, 24 LB, EnveGuard, Statements & Documents, 500 #10 Double Window SELF Seal Security Envelopes
#adAimoh #ad - Long lasting supply; perfect for everyday business use, our envelopes are provided as an ultra long lasting, 500 envelope supply measuring 4-1/8 x 9-1/2, ideal for mass mailing and all business needs! Click the Orange Button to order now. 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, standard business & legal documents and sensitive correspondence, statements, our #10 Envelopes are printed with a secure tinted pattern, added security compared to other cheap envelopes.
More information #ad
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. 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.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Part Number | 30001 |
Model | 30001 |
More information #ad
9. Blue Summit Supplies
#ad
Quickbooks Invoices, and Return Envelopes -Number 10 Size 4 1/8 X 9 ½ Inch, 500 No. 10 Flip and Seal Double Window Security Envelopes, Perfect Size for Multiple Business Statements
#adBlue Summit Supplies #ad - Your return and sender address will line up perfectly. No need to spend time and money stamping, adding return labels, or spending extra money on custom envelopes, just quickly slide in your business mail to create professional looking business mail.Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint 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. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Perfect for mailing invoices, QuickBooks Invoices, checks, billing statements, and other business mail.
Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 0.01 Pounds |
Part Number | BSS-92588-008 |
More information #ad
10. Blue Summit Supplies
#ad
Computer Printed Checks with Strong Peel and Seal Flap, Number 10 Size 4 1/8 X 9 1/2, 500 No. 10 Self Seal Single Window Security Envelopes -Designed for QuickBooks Invoices and Business Statements
#adBlue Summit Supplies #ad - Perfect for mailing invoices, QuickBooks Invoices and checks, checks, billing statements, and other business mail. Our security envelopes will quickly and easily create a strong seal for completely secure business mail.Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.
More information #ad
Create professional looking mail with the added security of a single window envelope. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Just peel and seal for a strong lasting seal. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-004 |
Model | BSS-92588-004 |
More information #ad