Whitehall Deluxe Capitol Mailbox Package (Green) The Deluxe Capitol Mailbox Package with personalized side plaques & post; fashion and function with a classic design The top line of the side plaque holds up to five 3" numbers and the bottom line holds up to sixteen 1.25" characters. A simple way to display your address, including street name, Includes:Capital MailboxDeluxe Post with Brackets and Ball Finial Personalized Side Plaques (2) The Capitol Mailbox is 20% larger than a standard mailbox. Magazines lay flat in the generous interior. Approved by Postmaster General.