Best Privacy Business Mailing Envelopes of 2025

The Mead #10 Security Envelopes come in a box of 45 and are perfect for all-purpose business mailing needs. The envelopes are made with 20-lb paper and have a white color with a security lining that ensures your privacy. The self-adhesive seal makes it easy to seal the envelope without the need for additional tools. The envelope size is 4-1/8" x 9-1/2", which is perfect for standard-sized documents.

Mead #10 Envelopes are the perfect solution for all your mailing needs. These envelopes, made by Mead, are specifically designed to fit standard letter size documents, measuring 4 1/8" x 9 1/2". With a security printed lining, your confidential documents will stay private and protected during transit. Made from 20 lb. white paper, these all-purpose envelopes are suitable for both home and office use. Each box contains 40 envelopes, ensuring you have an ample supply for your mailing needs. The Mead #10 Envelopes are proudly made in the U.S.A. and are SFI Certified Sourcing, guaranteeing their quality and sustainability.

Amazon Basics Business Letter Envelopes come in a pack of 500 envelopes, and are made from 24-pound white woven paper with a smooth surface for direct printing. The interior security tint ensures that your confidential documents are protected from prying eyes, making them ideal for sending checks, invoices, and other sensitive material. The peel-and-seal closure means no additional moisture is required, saving you time in your busy day.

EnDoc Double Window Envelopes are tailored for business use, making your mailing tasks more efficient. The double windows allow you to easily display important information without the need for labels, saving you time. With a convenient self-sealing design, you can quickly close each envelope without any mess, perfect for high-volume mailings. These envelopes also feature a privacy tint that protects sensitive information, ensuring your documents remain secure. Made from durable 24 lb paper, they provide extra strength for your important correspondence.

Introducing Mead Envelopes, the perfect solution for your business mailing needs. These white envelopes are designed with a security printed lining to ensure privacy and confidentiality. Measuring at 3-5/8" x 6-1/2", these 6-3/4 size envelopes are versatile and can accommodate various documents. With 80 envelopes per box, you'll have an ample supply to meet your requirements. The 20 lb. paper provides durability and a professional look. Made in the United States, these envelopes are of high quality and reliable. Whether you're sending important documents or personal letters, Mead Envelopes offer the convenience and peace of mind you need.

CREGEAR Security Envelopes are designed for convenience and privacy. With a strong self-sealing adhesive strip, you can easily secure your important documents without the need for glue. The advanced security pattern adds an extra layer of protection for your sensitive information, making it perfect for both personal and business use. The windowless design allows you to print or write addresses effortlessly, streamlining your mailing process. Made from durable 24-pound white paper, these envelopes are ideal for sending invoices, letters, and more, ensuring your items arrive safely and securely.

The HERKKA #10 Security Self-Seal Envelopes come in a pack of 500 with a Peel & Seal closure, perfect for securely sending checks, invoices, or other confidential documents. The envelopes have a premium security tint pattern to protect sensitive information and are ideal for standard business & legal documents. The windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. The ultra-strong SELF-SEAL adhesive strip ensures a full, super secure seal across each envelope's width that won't easily open or tear. Fully compatible with most inkjet and laser printers for quick and easy addressing.

Securely send confidential documents with Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes. Made of 24-pound white woven paper, these envelopes include a single left address window and an interior security tint for privacy. The peel-and-seal closure eliminates the need for moisture. This pack includes 500 envelopes with dimensions of 4-1/8 x 9-1/2 inches.

Mead Self-Seal Envelopes offer a practical solution for your mailing needs. Their self-sealing design eliminates the hassle of licking, allowing you to quickly and easily seal your envelopes. With a security tint, these envelopes protect your sensitive information, giving you peace of mind when sending important documents. The bulk pack of 500 ensures you have plenty of envelopes on hand for personal or business use, whether you're mailing invoices, letters, or cash. Plus, their classic white color adds a professional touch to your correspondence.

Amazon Basics Security Envelopes are designed for your business mailing needs. Each envelope measures 4-1/8 x 9-1/2 inches, making them perfect for standard documents. The moisture-activated gummed closure provides a reliable seal, ensuring your contents stay secure during transit. Made from 24-pound white woven paper, these envelopes offer strength and durability. Additionally, the security tint helps maintain privacy, making them ideal for sending sensitive materials like checks or invoices. With these envelopes, you can send your important documents with confidence, knowing they are well protected.