What "material" is the standard and large size mailboxes made from?

Our most popular mailbox features a standard size and smooth exterior surface that is perfect for most residences. Incorporating a steel latch, the door is embossed with an eagle, for a classic look that complements any curbside. It is constructed from rust-resistant galvanized steel that provides strength and stability, while a powder-coated finish minimizes weathering. Sold fully assembled to reduce installation time.Constructed from rust-resistant galvanized steel for durabilityGlossy black finish is powder-coated to resist rust and elementsMounting hardware sold separately