Super Clean, 32 OZ, Wheel Cleaner, Instantly Releases Grime & Brake Dust, Out Performs Other Leading Wheel Cleaners, Comes In Spray & Rinse Formula That Quickly Penetrates Wheel Surfaces, Safe For All Wheel Surfaces Including Any Type Of Wheel Rim, Cover, Or Hubcap Surface, Will Not Harm Glass Or Painted Surface, Just Rinse Over Sprayed Area With Water, Biodegradable, Non-Flammable, Non-Abrasive, & Phosphate-Free.