Combining quality and economy the Savannah Curbside Mailbox features a deeply cut, ornate aluminum door on an aluminum body for maximum rust resistance. The Savannah’s Powder Coated base finish will not peel or fade in the elements for a lifetime of maintenance free use. The Springfield Series Mailbox Post is a 4″ x 4″ x 78″ smooth square post with decorative finial and mailbox mounting arm. Made of durable aluminum construction with a powder coated finish. Direct Burial Installation required.