sld
Veteran Member
There is a company that sells car detailing products that makes a kit that includes a clear coat you spray after you clean them. Its called Griot's Gargage and you can order stuff on line. We used it on my sons car and its holding up well.
The key is adding a clear coat after you polish, buff and clean them. That is what makes it last. Just buy some acrylic clear coat in a spray can and you'll be surprised at easy it is.