The Mail Boss Package Master gives you extreme security along with the ability to receive small packages and parcels. There is also huge storage capacity that can hold weeks of mail. Featuring a patented “Mail Shield” technology, the Package Master can keep your mail and packages safe from fishing. The Package Master is an ideal mail box for those who regularly receive small parcels such as prescriptions. With the patented Fast-Trak Mounting Plate, you can quickly and easily install your Package Master on a Mail Boss In-Ground or Surface Mount Post, an existing post or gang plank.