Made entirely of aluminum, 2 Sided, two mailboxes, Accommodate rural mailboxes and post style townhouse mailboxes, 1 Sided deluxe mailbox posts include a 14"" W x 3-1/2"" D x 3-1/2"" H arm, 2 Sided deluxe mailbox posts for two mailboxes include two 14"" W x 3-1/2"" D x 3-1/2"" H arms, 2 Sided deluxe mailbox posts for four mailboxes include two 24-1/2"" W x 3-1/2"" D x 3-1/2"" H arms, Minor assembly is required, Color: Green, SKU: SBRI2254