Just fold the towel into a pad and you can remove all surface contermination on vehicles faster and more effectively than a clay bar. Can be rinsed and reused numerous times. Use only on wet surfaces. Otherwise surfaces can be scratched. After cleaning the surfaceyou can dry it with the microfiber-side of the towel. Size: 30 x 30 cm Revolutionary alternative to the clay bar. To clean the cloth, just rinse water and hang to dry. Do not leave to dry with the advanced polymer rubber layer in contact with itself.