Gibraltar Mailboxes Replacement Plastic Flag Kit, Red-RFL10000 - The Home Depot
When it's time to replace a worn, damaged or missing plastic mailbox flag, the Mailbox Flag Kit provides a convenient solution. The red flag is easy to install and made from durable and sturdy polypropylene plastic so it will not rust. Mounting hardware is included in the Mailbox Flag Kit. Fits all Gibraltar Mailboxes and most other brands of mailboxes.