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Product 2: ideal for home or office; securely send checks, invoices, or other confidential documents. Product 2: 24-pound white woven paper for quality and strength. Product 1: 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed.

Product 1: interior security tint keeps content private. Product 2: ideal for home or office; securely send checks, invoices, or other confidential documents.

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.
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.


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.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.

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.
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.

Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package 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. These envelopes are designed for both Laser and Inkjet Printers. 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.
1. Amazon Basics
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500-Pack, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes, White, Peel & Seal Closure
#adAmazon Basics #ad - Peel-and-seal closure; no moisture needed. Product dimensions: 4-1/8 x 9-1/2 inches. Includes 500 - 10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing.More information #ad
10 business letter envelopes for home or office. Interior security tint for privacy; securely send checks, invoices, or other confidential documents.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP5 |
Model | AMZP5 |
More information #ad
2. Amazon Basics
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300-Pack, Amazon Basics #6 3/4 Security-Tinted Envelopes with Peel & Seal
#adAmazon Basics #ad - 300-pack of #6 envelopes with Peel & Seal closure—no moisture needed. Measures 3-5/8 by 6-1/2 inches each. Interior security tint keeps content private.More information #ad
24-pound white woven paper for quality and strength. Ideal for home or office; securely send checks, invoices, or other confidential documents.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP1 |
Model | AMZP1 |
More information #ad
3. Amazon Basics
#ad
Amazon Basics #9 Envelopes with Peel & Seal, Security Tinted, 100-Pack
#adAmazon Basics #ad - Peel & seal closure—no moisture needed. Interior security tint keeps content private; securely send checks, invoices, or other confidential documents. 24-pound white wove paper for quality and strength; ideal for home or office.More information #ad
Measures 3-7/8 by 8-7/8 inches each; backed by an Amazon Basics 1-year limited warranty. 100-count pack of #9 security envelopes for personal or professional use.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Height | 4 Inches |
Length | 9 Inches |
Width | 1.25 Inches |
Part Number | amz42 |
Model | AMZ42 |
More information #ad
4. Amazon Basics
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500-Pack & #6 3/4 Security-Tinted Envelopes with Peel & Seal, White, Left Window, Amazon Basics #10 Security-Tinted Envelopes with Peel & Seal, 300-Pack
#adAmazon Basics #ad - Product 1: 24-pound white woven paper for quality and strength. Product 1: interior security tint keeps content private; single window allows address to show through.Product 2: ideal for home or office; securely send checks, invoices, or other confidential documents. Product 2: 24-pound white woven paper for quality and strength. Product 1: 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed.
More information #ad
Product 2: 300-pack of #6 envelopes with Peel & Seal closure—no moisture needed. Product 2: interior security tint keeps content private. Product 1: ideal for home or office; securely send checks, invoices, or other confidential documents.Brand | Amazon Basics #ad |
More information #ad
5. Amazon Basics
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AMZP5 & #6 3/4 Security-Tinted Envelopes with Peel & Seal, AmazonBasics #10 Security-Tinted Envelopes with Peel & Seal, White, AMZA25, 100-Pack, White, 500-Pack
#adAmazon Basics #ad - Product 2: 24-pound white woven paper for quality and strength. Product 1: 24-pound white woven paper for quality and strength. Product 2: 100-pack of #6 envelopes with Peel & Seal closure—no moisture needed.Product 1: interior security tint keeps content private. Product 2: ideal for home or office; securely send checks, invoices, or other confidential documents.
More information #ad
Product 2: interior security tint keeps content private; windowless design. Product 1: 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed. Product 1: ideal for home or office; securely send checks, invoices, or other confidential documents.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
More information #ad
6. Aimoh
#ad
White, #10 Security Self-Seal Envelopes, Windowless Design, Premium Security Tint Pattern, Ultra Strong Quick-Seal Closure, 24 LB, Size 4-1/8 x 9-1/2 Inches, EnveGuard, 500 Count 34010
#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! Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, labeling or hand-addressing, perfect for quick, manufactured with a windowless front panel for easy printing, 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.
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. 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.
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
7. Top Flight
#ad
Strip & Seal, Security Tinted, 500 Count, White Paper, Top Flight PSTF10NWT #10 Envelopes, 24 lb
#adTop Flight #ad - Heavy 24lb white paper - Made In Usa. Package Quantity : 1. Package weight : 6. 1 lbs. Country of origin : United States.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
8. Aimoh
#ad
Size 4-1/8 X 9-1/2 Inches, #10 Single Left Window Self-Seal Security Tinted Envelopes, 24 LB, 500 Count 35210
#adAimoh #ad - Long lasting supply; ideal for everyday business use, each measuring 4-1/8 x 9-1/2 inches, each box provides 500 envelopes for a long lasting supply, perfect for invoices, statements and many more business uses! Click the Orange Button to order now. Easy read single window; perfect for bulk mailing, easy read 4-1/2 x 1-1/8 poly-window, perfect for displaying addresses or business information, extra large, each envelope has a premium, 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.More information #ad
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. 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.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.
Brand | Aimoh #ad |
Part Number | FBA_35210 |
Model | FBA_35210 |
More information #ad
9. Aimoh
#ad
No Window, EnveGuard, Size 4-1/8 X 9-1/2 Inches, 100 Count 34100, #10 Security Tinted Self-Seal Envelopes, White, 24 LB
#adAimoh #ad - Enveguard technology; in today's world where our health, the team of engineers and developers at Aimoh have researched and developed the EnveGuard Technology and Approval systems, privacy and security is so much threatened, at Aimoh we approve only the highest quality products, produced from the best and safest material on earth.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
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. 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.
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
10. Blue Summit Supplies
#ad
100 No. 10 Self Seal Security Envelopes, Designed for Secure Mailing, Security Tinted with Printer Friendly Design, Number 10 Size 4 1/8 x 9 ½ Inch 100 Pack
#adBlue Summit Supplies #ad - Just peel and seal to create a strong lasting seal without licking or moistening. Easily fits invoices, letters, checks, and more. Easily print name or logo on our low profile envelope design.Easily store and quickly use our 24 LB white wove envelopes with our 100 count value pack with small package design. Our security #10 Windowless Envelopes perfectly fit standard 8. 5’’ x 11’’ paper sizes and other large documents.
More information #ad
No need to worry about others seeing your documents, our dark black security tint completely hides you mail. Perfect for secure everyday home and business mailing. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. These envelopes are designed for both Laser and Inkjet Printers. 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.
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