Package Master Locking Post-Mount Mailbox with High Security Reinforced Patented Locking System, BlackThe Mail Boss Package Master is the ultimate security package mailbox for receiving small parcels and securely storing weeks of mail. This USPS Approved extra large capacity security mailbox features patent pending Mail Shield technology. Unlike other bin mailers, your mail and packages are safe from fishing. This box is perfect for those who need to receive small packages such as prescriptions by mail. With the patented Fast Trak Mounting Plate, you