It can be used for both wet and dry use, so it can be used not only for exterior but also for cleaning the car. Reach areas that cannot be used with towels, sponges and fingers. The brush material is made of polypropylene (polypropylene) resin that is scratch resistant. The tip is flat and prevents hair from shedding, making it suitable for cleaning foam. Comes in a pack of 5, so you can use it in a variety of ways. The perfect length for easy force and convenient for hard to reach places. There is a hole at the tip of the handle where the string can be passed, so it is convenient to "put together" and "dry". Product Specifications: Set Contents: 5 x brushes.