Specifically formulated non-corrosive cleaners that safely dissolve brake dust, road grime, tar, grease, etc. from tires and wheels (agitation required in extremely neglected situations) Cleans but will not dull powder-coated engines A safe and biodegradable product; just as safe as water on a variety of surfaces such as chrome and aluminum, clear or powder-coated wheels Spray on whitewall tires and scrub with a tire brush for brilliant white results Made in the U.S.A.