The Hanford mailbox post system is made of rust-free cast aluminum with a durable weather resistant finish. This single post decorative base comes with a single rural E1 economy mailbox and post top mounting plate. The E1 Economy mailbox is made of galvanized steel with a rust-resistant finish steel latch and red aluminum flag mounting plate and mailbox base. The parts and materials needed to build them are either sourced or made to specification. Color: Black. Material: Aluminum. Weather resistant finish. OriginOur Hanford mailbox systems are assembled in the USA with some imported parts. Dimensions: 27.2 x 25.6 x 7.5 in. Weight: 18 lbs.