Mail Boss Package Master Security Mailbox, White 7207 USPS Approved extra-large capcity high security locking mailbox made of 12- and 14-gauge electrogalvanized steel for strength and durability 12-wafer disc lock, exclusive anti-pry latch locking mechanism and patented Mail Shield technology protect your mail and parcels from thieves Patented Fast-Trak Mounting Plate for easy installation on existing posts in minutes Stainless steel hinges and powder-coated finish for optimum weather resistance Includes 3 keys, reflective house numbers, 4 lag bolts and drill bit for installation