Spray N Wipe Mildew Stain Remover is for Vinyl, Cushions, Canvas & More. Keeps surfaces clean and looking new longer. Removes dark mildew stains. Just Spray area to remove mildew stains and wipe with a clean cloth. For tougher mildew stains, spray on and wait for 5-10 minutes and let product soak in, then scrub with a soft brush. Rinse surface thoroughly with fresh water.