PostalFlex™ Flexible Mailbox Mounting Bracket Replacing your Mailbox every year is over! PostalFlex™ assembly protects your mailbox from impacts, such as snow, slush and water thrown from snowplows. The mailbox is also protected from drive-by mishaps and vandalism. PostalFlex™ is designed to make your mailbox virtually indestructible. This unique design includes a flexible, heavy duty steel mailbox shield. When hit with a damaging strike PostalFlex™ will immediately move your mailbox on impact, and return it to its original position perfectly intact. PostalFlex™ provides easy installation to any standard 4"x 4" wood post. Simply fasten PostalFlex™ to the post with the screws provided. Then fasten your mailbox with the universal length bolts provided. Lifetime Warranty