Prolong Super Lubricants PSL60017 Super Protectant - 17-Ounce Bottle is water-resistant so it will not wash off like many regular protectants. It is engineered to block out the elements and offers a more durable shine and longer lasting protection. It has been tested against the best protectants in the world and this product outlasts them all. The unique formula features a shine that can be brightened or dulled based on how much wiping is applied.