The Hanford Mailbox System is made from rust free cast aluminum with a durable weather resistant finish. This TWIN post without bracket comes with an ornate decorative base 7 two Lewiston mailboxes and mounting plate on top of the post. Lewiston mailboxes are made from cast aluminum and also a durable powder coat finish. Mailbox mounting plate and base color. Our Hanford Mailbox systems are rated Hanford Senior are rated 5. 0 of the parts of the parts and materials needed to build them are sourced or made to specification. Color: Black Material: Aluminum Weather resistant finish Mounting plate Yes Origin: Our Hanford Mailbox Systems are assembled in the USA with some imported parts. Dimensions: 70" H x 22" W x 20" D Weight: 44 lbs