The extra thick, high-density microfiber noodles are gentle on paint but firm on filth and grime, ensuring a complete and efficient clean. They also have a high density, making cleaning easier and better.On the other side is car wash clay,the clay bar can help eliminate stubborn stains such as iron powder, light rust dust particles, paint stains, paint, bird droppings, insects, and tree sap oxide layers, making it easy and fast to restore a brand new gloss to your car surface!