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Best business mailing envelopes - September 2026

Last Updated - September 12, 2026

1
Best Choice
14% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aimoh
14% Off

Aimoh#10 Business Envelopes Letter Size Windowless Self Seal Security 500ct

Aimoh

(14% Off)

More Details
Main highlights
- QUICK-SEAL CLOSURE – EFFICIENT SELF-SEAL DESIGN SAVES TIME & MONEY – Peel-and-stick closure eliminates the need for moistening or additional adhesive. These 10 envelopes self seal securely in seconds, increasing office productivity while reducing mailing costs.
- PREMIUM ENVEGUARD SECURITY TECHNOLOGY – Advanced 24lb paper with proprietary security tint pattern ensures confidential documents remain private during transit. Superior tamper-evident design alerts recipients to any unauthorized opening attempts. Ideal for white envelopes #10, 10 envelopes self seal, and other Mailing Envelopes Letter Size applications.
- NDAA SECTION 889 COMPLIANT & BUSINESS-GRADE QUALITY – Meets federal compliance standards for government and corporate use. Professional-grade Envelopes trusted by legal firms, healthcare providers, and financial institutions nationwide.
- GREAT FOR DAILY BUSINESS MAILING – 4-1/8" x 9-1/2" dimensions fit standard letterhead, invoices, and legal documents. These white envelopes #10 are premium Mailing Envelopes Letter Size, and the 500-pack offers an excellent balance of value and convenience for busy offices.
- AIMOH QUALITY GUARANTEE – Backed by our commitment to excellence and customer satisfaction for Envelopes and Mailing Envelopes Letter Size.
(14% Off)
2
17% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aimoh
17% Off

Aimoh #10 Security Mailing Envelopes Letter Size, Self Seal, 100 Count

Aimoh

(17% Off)

More Details
Main highlights
- ✉️ SUPER SECURITY TINT PATTERN; white envelopes #10 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, also suitable for organizing cash envelopes
- ✉️ PREMIUM 24 LB PAPER CONSTRUCTION; crafted from durable 24 lb white paper for a professional appearance and dependable performance, these business mailing envelopes resist tearing during handling and mailing, making them ideal for invoices, statements, letters, checks, and everyday office correspondence.
- ✉️ 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!
- ✉️ 100 ENVELOPE PACK; these white envelopes #10 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
(17% Off)
3
Best Value
36% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Mead
36% Off

Mead #10 Security Business Envelopes Letter Size 4-1/8" x 9-1/2" – Peel and Seal, Privacy Lined, No-Window, Press-It Seal-It Self-Adhesive for Home & Office Mailing, 45 Count (75026)

Mead

(36% Off)

More Details
Main highlights
- VALUE PACK – Stock up on your supplies. This box contains 45 envelopes. Made with SFI (Sustainable Forest Initiative) certified sourcing.
- USE ANYWHERE – These all-purpose 20 lb. white envelopes are great for both office and home use. Made in the U.S.A.
- STANDARD SIZE – Easily send everyday mail. These #10 size envelopes measure 4-1/8" x 9-1/2" and can hold folded letter-size documents.
- SECURITY LINING – Keep your personal information personal. These envelopes have a security lining to help maintain privacy of your documents.
- SECURE SEAL – Quick and simple sealing. Mead Press-It Seal-It envelopes feature a self-adhesive strip to help keep your contents safe and secure.
(36% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics

Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes for Documents, Privacy, Home & Office, White, 500-Pack

Amazon Basics

More Details
Main highlights
- Product dimensions: 12.2 x 9.9 x 4.13 inch
- Peel-and-seal closure; no moisture needed
- 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
- 10 business letter envelopes for home or office
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Splendoress

#10 Envelopes Letter Size Self Seal | 100 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

Splendoress

More Details
Main highlights
- ✉️ TINTED SECURITY PATTERN - Windowless envelope with a security tint-pattern to protect contents and sensitive information
- ✉️ NO NEED TO LICK THE FLAP ANYMORE - SELF STICK adhesive strip creates a super secure seal across each envelope
- ✉️ 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
- ✉️ HIGH QUALITY & BULK PRICING BOX - 24lbs high-quality #10 envelopes at a fraction of the price
- ✉️ 100 NUMBER 10 ENVELOPES PACK - Perfect choice for small businesses, home offices and everyday office supply usage

Best business mailing envelopes - September 2026

Aimoh#10 Business Envelopes Letter Size Windowless Self Seal Security 500ct

Aimoh #10 Security Mailing Envelopes Letter Size, Self Seal, 100 Count

Mead #10 Security Business Envelopes Letter Size 4-1/8" x 9-1/2" – Peel and Seal, Privacy Lined, No-Window, Press-It Seal-It Self-Adhesive for Home & Office Mailing, 45 Count (75026)

Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes for Documents, Privacy, Home & Office, White, 500-Pack

#10 Envelopes Letter Size Self Seal | 100 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

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