Business Envelopes of 2025
- Best Choice
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AimohAimoh 500#10 Single Left Window SELF Seal Security Envelopes - Super Strong Quick-Seal Self Sealing Closure, Security Tinted, Size 4-1/8 x 9-1/2 Inches, 24 LB - 500 Count (35210)
Main highlights- ULTRA-STRONG QUICK-SEAL ADHESIVE: Creates a super strong seal across the envelope width, ideal for mailing larger or thicker documents
- PREMIUM #10 SECURITY ENVELOPES: High-quality, opaque envelopes protect sensitive contents and information for business and legal mailing
- LARGE SINGLE WINDOW: 4-1/2" x 1-1/8" poly-window positioned 7/8" from left and 1/2" from bottom, perfect for displaying addresses in bulk mailings
- INTERIOR SECURITY TINT PATTERN: Designed to prevent contents, data, and numbers from being easily read through the envelope
- BULK SUPPLY: 500 envelopes per box, each measuring 4-1/8" x 9-1/2", suitable for invoices, statements, and various business uses
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- Value for Money
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Blue Summit Supplies500 No. 9 Flip and Seal Double Window Security Envelopes - Designed for Quickbooks Invoices and Business Statements with Self Seal Flip Press and Seal Flap -Number 9 Size 3 7/8 Inch X 8 7/8 Inch
Main highlights- 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.
- Quickly and easily stuff our wide envelopes with several invoices or business statements
- Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design
- Perfectly fits QuickBooks Invoices and business statements: sender and return address will be visible on your QuickBooks invoices and monthly bills through our unique double window design.
- Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper
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MeadMead #10 Envelopes, Security Printed Lining for Privacy, Press-It Seal-It Self Adhesive Closure, All-Purpose 20-lb Paper, 4-1/8" x 9-1/2", White, 45 per Box (75026)
9.9 Simple to use9.7 Security9.3 materials QualityWhy we love it
Ensures privacy with security lining.
Convenient self-adhesive seal.
Standard size fits most documents.
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Top FlightTop Flight PSTF10NWT #10 Envelopes, Strip & Seal, Security Tinted, White Paper, 24 lb, 500 Count
Main highlights- Package Weight : 6.1 Lbs
- Package Quantity : 1
- Heavy 24Lb White Paper - Made In Usa
- Country Of Origin : United States
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Amazon BasicsAmazon Basics #10 Security-Tinted Self-Seal Business Letter Envelopes, Peel & Seal Closure - 500-Pack, White
9.9 worth the money9.9 materials Quality9.7 SecurityWhy we love it
Excellent price for high-quality bulk envelopes.
Peel-and-seal closure is convenient and secure.
Interior security tint ensures document privacy.
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Splendoress#10 Envelopes Letter Size Self Seal | 500 Business Mailing Security Peel and Sealing Envelope | 100% Tinted | no 10 White Windowless Legal Regular Plain Envelops Pack | 4-1/8 x 9-1/2 Inches | 24 LB
Why we love it
Convenient self-seal; no licking required.
Security pattern ensures content privacy.
Bulk pack offers great value.
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AimohAimoh 500#10 Security Self Seal Envelopes, Windowless, Premium Security Tint Pattern, Ultra Strong Quick Seal Closure, EnveGuard, Size 4-1/8 x 9-1/2", White, 24LB, 500 Count(34010)
Main highlights- WINDOWLESS DESIGN; envelopes ideal for standard business & legal documents and sensitive correspondence, manufactured with a windowless front panel for easy printing, labeling or hand-addressing, perfect for quick, 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
- 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
- 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!
- #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
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Amazon BasicsAmazon Basics #10 Security Tinted Business Gummed Envelopes, Moisture Sealed, 4-1/8 x 9-1/2 Inch, Pack of 500, One Size, White
Why we love it
Secure seal for confidential documents.
Durable 24-pound paper.
Privacy-enhancing security tint.
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ColumbianColumbian #10 Security Envelopes, 500/Box, No Window, 4-1/8 x 9-1/2 Inches, Release & Seal Self Seal, White (COLO151)
Why we love it
Easy, moisture-free sealing.
Secure, private interior.
Professional appearance.
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Amazon BasicsAmazon Basics #10 Business Letter Envelopes with Gummed Seal, 500-Pack, No Tint
9.9 worth the money9.3 materials Quality8.0 AttachmentWhy we love it
Great value for bulk purchase of 500 envelopes.
Strong, secure seal with moisture-activated gummed closure.
Durable 24-pound paper ensures quality and strength.