Home Improvement for Anyone Making repairs to your household items can be a chore, but replacing mailbox parts doesn't need to be difficult. Our mailbox flag replacement set can be installed in seconds, no tools needed. For Virtually All Mailboxes The mailbox alert signal flag set is compatible with all smooth-surfaced mailboxes. Stick on the replacement flag for plastic mailbox, metal, or any other smooth mailbox. Rain or Shine The replacement flag mailbox set utilizes very high bond tape for e