-Removes mildew from vinyl seats, cushions, tops and covers -Requires no scrubbing -Spray on and wipe off The most effective way to control and prevent mildew stains on boats, RVs, automobiles and campers, Star Brite Mildew Stain Remover instantly removes mildew from vinyl seats, cushions, tops and covers on contact. Requiring no scrubbing, this simple spray on and wipe off application works like magic.