Meguiar's Convertible & Cabriolet Cleaner quickly cleans canvas, cloth, mohair and vinyl roof tops, safely removing contaminants and stubborn stains like hard water, bird droppings and oil without drying out your convertible top. Will also help remove mildew stains leaving a brightened, freshly cleaned appearance. Apply and agitate gently with a dedicated soft brush, such as a Meguiar's Wheel Face Brush.