Great for pontoons and aluminum boats. Removes oxidation growth and stains and restores a lustrous appearance to bare aluminum. Use sparingly, a little bit goes a long way. Features Designed to remove oxidation growth and stains and restore a lustrous appearance to bare aluminum Removes heavy oxidation and restores shine to most painted aluminum surfaces Not recommended for anodized coated aluminum Specifications Dimension: 4" H x 4" W x 4" L in. Weight: 1.34 lbs