i had mine sanded then wet sanded to spothen then buffed, then clear coated with car ultra clear paint protecten and turned out amazing, now it has a clear yellow cover to prtoct as well for looks. there is a site where u can buy the stuff i bought but also in clear so you can protected from rocks and UV rays so ur nice polosh job wont get ruin with time. this is the site www.Rvinyl.com