We had them professionally installed on our 2005 Prius and our 2006 HCH and couldn't be happier. They do a great job of protecting the hood, front fenders, backs of the side-mirrors and the fog lights. We knew it was a good idea when we found out that our local Lexus dealer has them on every one of their loaner cars. In case anyone interested in reading about the product itself, you can check out the following link (click on "Paint Protection Film"):

http://solutions.3m.com/wps/portal/3...ir/Trans/Auto/