The AVA Microfiber Mop w/Waterflow is easy to use on most surfaces, especially your car or windows The different microfiber pads have different structures to fit both smooth and rougher surfaces. The mop has a flexible joint that makes sure that the microfiber pad stays flush to the surface. With the internal low-pressure water flow, the pads stays cleaner for longer. AVA Microfiber Mop comes with one Universal Microfiber Pad.