metal or plastic box red, blue, white, or black a flag to indicate when mail is present a door for inserting mail a lock for security a back plate for mounting to a post a name and address plate
mailbox which has metal or plastic box mailbox which has red, blue, white, or black mailbox which is a flag to indicate when mail is present mailbox which is a door for inserting mail mailbox which is a lock for security mailbox which is a back plate for mounting to a post mailbox which is a name and address plate