Gas Guard XL - Auto Paint Protector 16" Long, Works on RVs, Trucks, Cars, Boats, Keeps Fuel Drips from Damaging Vehicle's Finish. Protects car paint and Plasti Dip from gasoline drips and drops Gas Guard XL protects your vehicle's finish, both paint and Plasti Dip, by catching gasoline drops that hit your vehicle's paint finish when you're filling up the fuel tank. Slips over the fuel filling neck. Folds up easily and hides behind the fuel door when not in use. Gas Guard remains flexible in all weather conditions. Fits foreign and domestic cars, trucks, buses, vans, and RVs. No tools required to install. Patented product. 16" x 4.5" x .15"