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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, labeling or hand-addressing, manufactured with a windowless front panel for easy printing, perfect for quick, mass business mailings.




Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required. Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text.

For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, catalogs, thicker, perfect for photos, larger documents and other business mailings.100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! White 28lb stock; perfect for everyday business use, aimoh’s 9x12 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 and use high quality, white 28lb stock for a professional finish.9
9x12 catalog envelopes; aimoh’s white 9x12 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 9x12 envelopes on the market.

Super security tint pattern; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing.
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 Personal Checks, home offices and everyday use, No.
Measuring 3. 625 x 6. 5 inches. Quick-seal closure; aimoh's #6 3-4 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 Smaller & Personal documents. 6 3/4 security tinted self seal envelopes; want the very best in secure, printer-compatible paper, security-tinted envelopes with a super strong self-seal? Aimoh's No.

Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. 6-3/4 self-seal white envelopes. Just peel and seal to create a strong lasting seal without licking or moistening.
1. Aimoh
#ad
EnveGuard, Windowless Design, Premium Security Tint Pattern, Ultra Strong Quick-Seal Closure, 24 LB, Size 4-1/8 x 9-1/2 Inches, 500 Count 34010, #10 Security Self-Seal Envelopes, White
#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! 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.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.
More information #ad
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. Windowless design; envelopes ideal for standard business & legal documents and sensitive correspondence, labeling or hand-addressing, manufactured with a windowless front panel for easy printing, perfect for quick, mass business mailings.
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
2. Amazon Basics
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White, Peel & Seal Closure, 500-Pack, Amazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes
#adAmazon Basics #ad - 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. Peel-and-seal closure; no moisture needed.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP5 |
Model | AMZP5 |
More information #ad
3. Splendoress
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Printer Friendly, #10 White Letter Businesses Envelopes -500 Peel and Seal Tinted Windowless # 10 Envelope, 500 Self Seal Security Mailing Envelopes, Self Stick Bulk Envelops
#adSplendoress #ad - Windowless envelope. Self seal envelope- just peel and stick 4 1/8 in. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside.More information #ad
Long lasting supply - 500 count per box. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. X 9 1/2 in size envelop. No need to lick the flap anymore - Very convenient.Brand | Splendoress #ad |
Manufacturer | Splendoress #ad |
Height | 4.25 Inches |
Length | 11.5 Inches |
Weight | 6.06 Pounds |
Width | 10 Inches |
Part Number | #10 Security Envelopes Windowless |
Model | #10 Security Envelopes Windowless |
More information #ad
4. Top Flight
#ad
500 Count, Security Tinted, Top Flight PSTF10NWT #10 Envelopes, White Paper, 24 lb, Strip & Seal
#adTop Flight #ad - Package Quantity : 1. Heavy 24lb white paper - Made In Usa. Country of origin : United States. Package weight : 6. 1 lbs.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
5. Quality Park
#ad
24-lb White Wove, Security Tint and Pattern, Quality Park #10 Self-Seal Security Envelopes, 4-1/8" x 9-1/2", 100/Box QUA69117, Redi-Strip Closure
#adQuality Park #ad - An excellent value: bright white 24-lb paper makes an impression for business mailings and personal correspondence; get 100 4-1/8 x 9-1/2 inch envelopes.Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required. Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text.
More information #ad
Store more, longer: redi-strip envelopes have a longer shelf-life thanks to the peelable strip that protects your adhesive from dust. Save time with self-stick: quality Park 10 Security Envelopes have a strong peel and stick closure that helps you fly through mailings in record time.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 2.03 Inches |
Length | 9.63 Inches |
Weight | 0.91 Pounds |
Width | 4.25 Inches |
Part Number | QUA69117 |
Model | QUA69117 |
More information #ad
6. Aimoh
#ad
Security Tinted, 28lb, Ultra Strong Quick-Seal, 9x12 inch 38100, 100 9 x 12 SELF Seal Security White Catalog Envelopes
#adAimoh #ad - Security tint pattern; ideal for secure business mailing and sensitive correspondence, each 9x12 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing.For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, catalogs, thicker, perfect for photos, larger documents and other business mailings.100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! White 28lb stock; perfect for everyday business use, aimoh’s 9x12 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 and use high quality, white 28lb stock for a professional finish.9
More information #ad
99x12 catalog envelopes; aimoh’s white 9x12 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 9x12 envelopes on the market.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 2.5 Inches |
Length | 9 Inches |
Width | 12 Inches |
Part Number | FBA_38100 |
Model | FBA_38100 |
More information #ad
7. Aimoh
#ad
White, 24 LB, EnveGuard, No Window, Size 4-1/8 X 9-1/2 Inches, 100 Count 34100, #10 Security Tinted Self-Seal Envelopes
#adAimoh #ad - 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. 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.
More information #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, at Aimoh we approve only the highest quality products, privacy and security is so much threatened, 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.
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
8. STAPLES
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Staples 511290 Self Seal Security Tinted #10 Envelope 4 1/8-Inch X 9 1/2-Inch White 500/Bx
#adSTAPLES #ad - These envelopes measure 4 1/8" x 9 1/2" in size, providing enough space for your mail. White wove paper for durability. Sold as 500/Box. Self seal closure with wallet flap seals securely without moistening. Envelopes are suitable for all your mailing needs. Made from 24 lbs.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
9. Aimoh
#ad
Size 3-5/8 X 6-1/2 Inches, 100 Count 34600, #6 3/4 Security Tinted Self-Seal Envelopes, 24 LB, No Window, White
#adAimoh #ad - 6 3/4 security envelopes are provided in a 100-envelope pack. 6 3/4 security envelopes combine durable, a security tinted design and strong self-seal QUICK-SEAL for the best #6 3/4 security self-seal envelopes on the market. Super security tint pattern; #6 3 / 4 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure personal mailing while protecting sensitive information.100 envelope pack; these envelopes are manufactured with a window-less front panel for the perfect choice for Personal Checks, home offices and everyday use, No.
More information #ad
Premium 24lb paper: manufactured from premium quality 24lb white sturdy paper creating a super high quality feel, perfect for personal greetings and letters. Measuring 3. 625 x 6. 5 inches. Quick-seal closure; aimoh's #6 3-4 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 Smaller & Personal documents. 6 3/4 security tinted self seal envelopes; want the very best in secure, printer-compatible paper, security-tinted envelopes with a super strong self-seal? Aimoh's No.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 2 Inches |
Length | 6.8 Inches |
Weight | 0.65 Pounds |
Width | 3.7 Inches |
Part Number | 34600 |
Model | 34600 |
More information #ad
10. BAZIC Products
#ad
1-Pack, Peel & Seal Mailer for Business Invoice Check 100/Pack, No Window Mailing Envelopes, BAZIC Self Seal White Envelope 3 5/8" x 6 1/2" #6
#adBAZIC Products #ad - Helps you fly through mailings in record time. Multi-purpose. These envelopes can be used for virtually anything you need them for! Secure. White 20lb stock. These 3 5/8" x 6 1/2" inch self-sealing envelopes are designed to save your time and money.Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks. 6-3/4 self-seal white envelopes. Just peel and seal to create a strong lasting seal without licking or moistening.
More information #ad
Windowless design. Perfect for everyday business use, these standard white envelopes are crafted of heavy, durable 20lb paper and securely holds hefty files during transit. Envelopes manufactured with a windowless front panel for easy printing, perfect for quick, labeling or hand-addressing, mass business mailings. These envelopes can easily fit invoices, letters, checks, gift cards, etc.Brand | BAZIC Products #ad |
Manufacturer | BAZIC Products #ad |
Height | 3.72 Inches |
Length | 6.69 Inches |
Width | 1.97 Inches |
Part Number | 572 |
Model | 572 |
More information #ad