About 5 years ago, ours was getting the crap beat out of it every other day. We couldn't afford to keep replacing it. We called the po and asked them if we could have one made that was stronger. They gave us all the required dimensions and we had one built out of 1/4" sheet metal. The first night it was up, we had the windows in the house up and all we could hear was a hit to it and then a boy yelling "I think I broke my F***ing arm and hand. All it did to the mail box was chip a little paint off of it. Since then no kid has ever tried to hit it again. But it has ruined a few cars, after being hit by them by drunk drivers, so it wasn't our fault.