Herculiner "Original" Truck Bed Aerosol provides protection against scratches, rust, and fading. It's ideal for quick touch-ups on existing bed liners, cut-in applications, or for coating vehicle trim. It can be used on a wide range of surfaces including plastics, metals, concrete, fiberglass, wood and more. Herculiner Truck Bed Aerosol can be used on wide range of projects including; truck bed liners, trailer flooring, trim, undercoating, car paint, boats and more.