Make sure the surface is clean before installation. Once used, we can not take it back for resale. We can upgrade the material to be the 304 stainless steel which will have the resistance to the salt in winter time.Then we will make the same part with the better material. The item "1997-1999 Cadillac DeVille Rocker Panel Trim Body Side Molding Cover FL 5 10Pc" is in sale since Tuesday, January 31, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Mouldings & Trim". The seller is "g-autoparts" and is located in Pomona, California. This item can be shipped worldwide.