The Pro Flex Body Brush better known as the "Salt n Pepper brush" is a polystyrene cleaning bristle brush. A soft body brush gentle enough to wash any surface. Designed with 2 inch bristles and a feathered flagged tip ends great for cleaning in all the little nook and cranny. Lightly coated with a protective, making it chemical resistant to detergents, surfactants and even acids. The Pro Flex Body Brush is developed for durability. Its 8.5 inch size is perfect for handling. Named Flex for its flexibility in areas of usage. The Pro Flex Body Brush is able to gentle wash painted surface and strong enough to scrub through heavy dirt. The feathered flagged tips allow it to work as a conditioning brush for conditioning tires, hard plastics etc. This brush is safe on any rim or surface.