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Save time with self-stick: quality park #10 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time. Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust.

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.



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. 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.1
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.





Perfect size: 4”x2. 7” mini envelopes are perfect for lottery tickets, cash cards, business cards, coins, and gift cards. Other colors include: baby pink, red, white, amber yellow, baby blue, dark blue, orange, black and chocolate brown.
1. Quality Park
#ad
Security Tint and Pattern, 24-lb White Wove, 4-1/8" x 9-1/2", Quality Park #10 Self-Seal Security Envelopes, 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.Save time with self-stick: quality park #10 Security Envelopes have a strong peel & stick closure that helps you fly through mailings in record time. Store more, longer: reid-strip envelopes have a longer shelf-life thanks to the peel able strip that protects your adhesive from dust.
More information #ad
Enhanced security: offer the protection clients deserve; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text. Less yuck: we promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required.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
2. Aimoh
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White, Size 4-1/8 X 9-1/2 Inches, 100 Count 34100, #10 Security Tinted Self-Seal Envelopes, EnveGuard, 24 LB, No Window
#adAimoh #ad - Enveguard technology; in today's world where our health, 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, at Aimoh we approve only the highest quality products, produced from the best and safest material on earth.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
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. 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 |
Weight | 1.4 Pounds |
Width | 4.3 Inches |
Part Number | 34100 |
Model | 34100 |
More information #ad
3. Amazon Basics
#ad
Amazon Basics #10 Business Letter Envelopes with Gummed Seal, 500-Pack, White
#adAmazon Basics #ad - Large supply offers long-lasting convenience; ideal for frequent mailings or bulk mailing projects. Includes 500 #10 envelopes made of 24-pound standard white woven paper for quality and strength; no tint.More information #ad
Product dimensions: 4-1/8 x 9-1/2 inches. Moisture activated gummed closure ensures a secure seal. 10 business letter envelopes for personal or professional use.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Weight | 6.35 Pounds |
Part Number | AMZP4 |
Model | AMZP4 |
More information #ad
4. Mead
#ad
Mead No.10 Envelopes, Press-it Seal-it, 4-1/8" X 9-1/2", 45 Per Box 75026, Security, White
#adMead #ad - Mead press it seal it number 10 security envelopes, 45 envelopes per box. Size: 4 to 1/8 inches x 9 to 1/2 inches. White envelopes with self adhesive seal, Security lining for privacy.More information #ad
Brand | Mead #ad |
Manufacturer | ACCO Brands #ad |
Height | 4.3 Inches |
Length | 9.7 Inches |
Weight | 0.02 Pounds |
Width | 1.5 Inches |
Part Number | 75026 |
Model | 75026 |
Warranty | kkk |
More information #ad
5. Aimoh
#ad
Windowless Design, Premium Security Tint Pattern, #10 Security Self-Seal Envelopes, Ultra Strong Quick-Seal Closure, 500 Count 34010, EnveGuard, White, 24 LB, 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 larger documents without splitting.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. 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.1
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
6. Amazon Basics
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Pack of 500, Amazon Basics #10 Security Tinted Business Envelopes, Moisture Sealed, 4 1/8-Inch x 9 1/2 Inch
#adAmazon Basics #ad - Securely contains business checks, folded letter size documents, resumes or personal letters. 500 envelopes for business or personal use; security tinted interior for added document privacy.More information #ad
Dimensions: each envelope measures 4-1/8 by 9-1/2 inches HxL. Moisture-sealed v-flap design; made of premium 24-pound white woven paper.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Height | 0.01 Inches |
Length | 9.5 Inches |
Weight | 0.1 Pounds |
Width | 4.13 Inches |
Part Number | AMZSEC10 |
Model | AMZSEC10 |
More information #ad
7. Splendoress
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#10 White Letter Businesses Envelopes -500 Peel and Seal Tinted Windowless # 10 Envelope, 500 Self Seal Security Mailing Envelopes, Self Stick Bulk Envelops, Printer Friendly
#adSplendoress #ad - Self seal envelope- just peel and stick 4 1/8 in. Long lasting supply - 500 count per box. Can't see through envelopes - Security printing pattern on the inside prevents from seeing what inside.More information #ad
No need to lick the flap anymore - Very convenient. Windowless envelope. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price. X 9 1/2 in size envelop.Brand | Splendoress #ad |
Manufacturer | Splendoress #ad |
Height | 0.01 Inches |
Length | 9.5 Inches |
Weight | 6.06 Pounds |
Width | 4.12 Inches |
Part Number | #10 Security Envelopes Windowless |
Model | #10 Security Envelopes Windowless |
More information #ad
8. Top Flight
#ad
500 Count, White Paper, Security Tinted, Top Flight PSTF10NWT #10 Envelopes, Strip & Seal, 24 lb
#adTop Flight #ad - Heavy 24lb white paper - made in USA. Security tinted. Standard 10 envelope 4 1/8 x 9 1/2. 500 count per box. Strip & seal closure.More information #ad
Brand | Top Flight #ad |
Manufacturer | Top Flight #ad |
Height | 4.3 Inches |
Length | 11.8 Inches |
Weight | 6.05 Pounds |
Width | 10 Inches |
Part Number | PSTF10NWT |
Model | PSTF10NWT |
Warranty | #10 |
More information #ad
9. Splendoress
#ad
#10 Security White Letter Businesses Envelopes -100 Peel and Seal Tinted Windowless # 10 Envelope, Printer Friendly, Mailing Envelopes Self Seal, Self Stick Bulk Envelops
#adSplendoress #ad - No need to lick the flap anymore - SELF-SEAL adhesive strip creates a super secure seal across each envelope. 100 envelope windowless pack - Perfect choice for small businesses, home offices and everyday use. High quality & bulk pricing - 24lbs high quality envelopes at a fraction of the price.More information #ad
Tinted security pattern - Windowless envelope with a secure, security tint-pattern to protect contents and sensitive information. Laser and inkjet printer compatible - Measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for easy addressing.Brand | Splendoress #ad |
Height | 2.2 Inches |
Length | 9.5 Inches |
Width | 4.12 Inches |
Part Number | Mailing Envelopes - 100 Envelopes |
More information #ad
10. Purple Q Crafts
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60 Pack, Mini Envelopes Small Assorted Colored Envelopes for Gift Card, Business Card 4"x 2.7" White
#adPurple Q Crafts #ad - Apply some water and press to seal. Value pack: package includes 60 small envelopes at a cheap price. White: each pack of 60 contains cute white envelopes.Perfect size: 4”x2. 7” mini envelopes are perfect for lottery tickets, cash cards, business cards, coins, and gift cards. Other colors include: baby pink, red, white, amber yellow, baby blue, dark blue, orange, black and chocolate brown.
More information #ad
Use them for rsvp cards, personalize them for your party, or just keep them on hand and add them to your gifts. Easy seal glue flap: these envelopes don’t need stickers or tape. Note: they are too small to be mailed through the USPS.Brand | Purple Q Crafts #ad |
Manufacturer | Purple Q Crafts #ad |
Part Number | ME |
More information #ad