Has a high cuprous oxide content with slime resistance n++ offering unprecedented control over all types of fouling even in the most severe fouling areas. Hardest self-polishing finish for better durability increased speed and multi-season performance. Controlled erosion minimizes coating buildup and keeps underwater surfaces smooth and clean.May be applied over other ablative antifoulant paints. Picture may be stock file photo from manufacturer, not actual product. Please check description and verify part numbers.