Meguiar's M19616 Pontoon and Aluminum Protectant - 16 oz. Specifically engineered to protect and maintain aluminum and most marine surfaces Provides a protective polymer barrier against damaging salt spray and corrosion Safe and effective on pontoon and aluminum, plastic, vinyl, fiberglass, and most marine surfaces Ease and convenience of a spray-on, wipe-off product saves on time Lightly cleans while offering shine and protection that lasts