Concentrated formula is tough on dirt yet economical to use; a few capfuls cleans a full-size RV Specifically formulated to remove road grime, bug debris, dust, mud and moreSafe for fiberglass, plastic, rubber, metal and painted surfacesNon-toxic, biodegradable formulaLow-sudsing formula helps reduce amount of water needed for rinsingWill not remove wax or polish; will not harm decals