Mail Boss Mail Manager Pro SS316 Locking Security Mailbox – 316 Stainless Steel, Rust-Proof, Heavy-Duty Post-Mount Mailbox with Patented Anti-Theft Locking System – Large Capacity

Premium Mail Security. Engineered for the Most Demanding Environments. The Mail Boss Mail Manager Pro SS316 is a premium upgrade of our top-selling Mail Manager Pro, constructed from 100% 316 stainless steel for unmatched resistance to rust, corrosion, and salt air. Engineered for the most demanding environments—from coastal regions to snowy mountain towns—this heavy-duty mailbox delivers long-lasting performance and high-security protection. Its rugged 14- and 16-gauge stainless steel body is reinforced with the Mail Boss patented anti-pry locking system, helping impede leveraged entry and deter mail theft. The spacious interior easily accommodates multiple days of mail, padded envelopes, and small packages. Designed for versatile post-mount installation, the SS316 includes our Fast-Trak mounting plate and stainless steel hardware. It’s fully compatible with the Mail Boss stainless steel post, standard posts, and even custom wood or platform installations. Whether you live by the ocean or in areas with road salt and moisture, this mailbox is built to perform where others fail—making it the ultimate choice for long-term mail security.

• 100% 316 Stainless Steel Construction – Marine-grade stainless steel offers superior resistance to corrosion, rust, and salt—ideal for coastal regions and harsh climates.
• Patented Anti-Pry Locking System – Exclusive Mail Boss lock design helps impede leveraged entry, defending against mail and identity theft.
• Heavy-Duty 14- & 16-Gauge Stainless Steel Body – Built for extreme durability with thick welded construction that outperforms standard mailboxes.
• High Capacity Interior – Easily holds multiple days of mail, magazines, padded envelopes, and small packages with secure internal storage
• Versatile Mounting Options – Easily installs on the Mail Boss stainless steel post, standard steel posts, wood platforms, gangplanks, or custom stands; includes Fast-Trak mounting plate and stainless hardware for secure setup.
• All-Stainless Components – Built with stainless steel hinges and fasteners to ensure lasting protection against rust, corrosion, and weathering in any environment.
• Residential Security Leader – From Mail Boss, America’s trusted brand for secure locking mailboxes, known for rugged construction and innovative locking systems.
• Designed to Outlast and Outperform – Crafted to withstand what destroys ordinary mailboxes—this premium model is made for those who expect decades of reliable protection.