3M 09067 Mildew Stain Remover Quickly removes mildew stains on vinyl, covers, cushions and other marine surfaces Helps keep surfaces looking cleaner and newer longer Follow-up with 3M Marine Mildew Block for long-lasting protection Use 3M Marine Mildew Stain Remover on vinyl seat cushions, vinyl covers, bimini tops, and accessories. It works well on light colored and white vinyl to remove dark mildew stains and soil. The spray-and-wipe formula works quickly and requires little, if any, scrubbing. Follow-up with 3M Marine Mildew Block for long-lasting protection and to help keep surfaces looking cleaner and newer, longer. If you have a boat, you need 3M Marine Mildew Stain Remover. Boats are prone to mildew but 3M Marine Mildew Stain Remover makes it easy to maintain a clean, mildew-free boat.