A silicone based treatment that is safe on rubber, plastic, trim, and hard black plastic and painted bumpers. Also can be used on black painted metal. This product will bring dull and faded bumpers and plastic back to that new look. BUMPER NU does not mix with water making it much more durable than water base dressings. Use a sponge to apply this product. Using BUMPER NU is what sets your detail apart from someone who doesn’t use it.