If beauty, quality and durability are what you're looking for in a ine of mailbox cover, go with the original, Mailwraps Magnetic Mailbox Covers.  They were the first to his the market in 1989 and they continue to lead the way in print quality, construction and design selection.  Made in the USA.  Fits standard 6.5" W x 18" L mailboxes.  All mailwraps come with two sets of numbers 0-9.