ProtectAll All-Surface Care from Thetford protects the interior and exterior surfaces of portable trailers and trucks. It is designed to polish, wax, treat and protect in a fraction of the time and effort of multiple wax component systems. It works on plastics, metals, painted metals, gel coats, aluminum, chrome, vinyl, wood, glass, leather, sinks, and other hard surfaces, including mirrors, windows, and stainless steel. It contains carnauba wax and UV blockers. It can also be used for cars and trucks, RV, boats, motorcycles and all-terrain vehicles. It is available in a gallon jug. 800-543-1219; www.protectall.com.