This is a personalized item therefore no returns are allowed. Price includes installation, a $100 initial pay is needed to start working on it, the difference must be paid at the time of the installation, in order to obtain a better result, the surface (trailer must be clean and free of any Debry that could affect the adhesion of the decals to the trailer surface, Since the temperature of the surface temperature affects the material, the trailer must be parked in a safe and shaded area at the time of the installation, a 110V 15A Outlet is needed near of the trailer to temporally plug in a heat gun.