Anti Graffiti Film
For complete surface protection from graffiti and vandalism we use and recommend 
Cover-up is a crystal clear polyester film with an adhesive on one side and a tough patented scratch resistant coating on the other. It can be applied to all glazed surfaces inside or out and many other smooth non-porous surfaces to provide an effective barrier against damage. The film acts a a sacrificial barrier between the vandal and your property.
We have found over the years that this product by MEP Llumar Films provides the necessary protection for the glass, stainless steel or acrylic panels that are prone to graffiti etching or any other form of scratching.