The Floral Curbside Mailbox has deeply embossed leaf designs on all sides to give it a charming appearance suitable for either a country of suburban home. 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. The Main Street Mailbox Post features a 4? x 4″ square post with sculpted corners and accent flutes for a unique look. Made entirely of Aluminum with Stainless Steel components to eliminate rusting. Direct Burial installation required.