Dimensions: Mailbox: 9.625" x 13" x 20.375"; Deluxe Post: 54" x 4" x 4". Our Superior Package includes the mailbox with deluxe post, brackets, post cap and two personalized side plaques. The side panels can be customized in either the one line version or two line version. The one line version can hold up to five 4.5" numbers. The two line version can hold up to five 3" characters on line one and up to sixteen 1.25'' characters on line two. A space does count as a character. Upon order placement, please message us with your customization decision. Custom orders can take up to three weeks for fulfillment. Since this is a custom order, it can not be cancelled, returned or refunded.