Gibraltar Mailboxes High Grove Large Capacity Galvanized Steel Aged Copper, Post-Mount Mailbox, HM16LC01 Large capacity offers generous space for small to medium size boxes, padded envelopes and more Includes a steel outgoing mail flag; Has a magnetic latch Aged Copper powder-coated finish is rust-resistant to weather outdoor elements Installs with ease onto a variety of Gibraltar posts including the LP000BZ0, LP000B00 or BP000B01 Engineered with heavy-duty galvanized steel for extra strength; Fully assembled for quick installation