Pinnacle Safe Scrub Bug & Tar Pad can be used on glass, chrome, vinyl, fiberglass, paint and clearcoats—100% safe when used with soapy water. Pinnacle Safe Scrub Bug & Tar Pads I used this pad yesterday with poorboys bug squash wow! these pads are great ,give them a try. i pre treated area with BS then sprayed clay lube and used the pad gently no scubbing.:applause2: