Gas Guard - Protects your Vehicle&rsquo;s Paint or Plasti Dip Finish by Catching Gasoline Drops that Hit your Paint Finish when you&rsquo;re Filling Up the Fuel Tank 9" Hate those gas drops landing on your vehicle's paint? Try Gas Guard! Protects your car's paint or Plasti Dip from gas drops. Slips over the fuel filling neck. Folds up easily and hides behind fuel door when not in use. No tools required to install.