Large Magnetic MailWraps Mailbox Coversflagsrus offers MailWraps Magnetic mailbox covers by Magnet Works. Add a splash of color with a vinyl weather resistant mailbox cover! All covers feature a slot for the postal carrier alert flag. These covers attach to the mailbox with magnets. The Large size fits 8 x 21" boxes.
No worry if you have a plastic or aluminum box, see the Adapter Kit below.