Our highly effective mold and mildew stain remover effortlessly cuts through new and old mildew stains and is safe for fiberglass, plastic rubber, vinyl, bolsters, gutters, cushions, tops, covers, upholstery, chairs, life-jackets, canopies, tile, grout, mats the shower stall and curtain, making it perfect for your boat or RV. Simply spray on, allow to work and rinse off to remove stubborn stains on interiors and exteriors, also works great as a boat cover cleaner , boat vinyl cleaner , marine vinyl mildew stain remover , awning cleaner , vinyl stain remover , boat seat cleaner , mildew stain remover for carpet , camper canvas cleaner , vinyl cleaner for boat seats , boat rust stain remover , and can be used an all all-purpose indoor mold and mildew stain cleaner. We proudly stand behind the quality of all our products! We are a family owned American business committed to making premium quality products. MADE IN USA