Dew•Not 32oz bottle with a sprayer:

Category - Protective coating, outdoor

 

A clear, non-yellowing, acrylic copolymer film. When used as directed, provides a mildew-resistant coating for a wide variety of materials. This product also contains a long-lasting, micro-encapsulated mildew stain and odor remover, for continual release in damp conditions.  Perfect for boats, campers, tents, canopies, outdoor furniture, and more.