1.Perfect fit?The mop replace heads are perfect compatible with O Cedar Spin Mop 1 Chamber System. It is easy to install and remove from the mop refill. NOTE: NOT COMPATIBLE for DualCharmber RinseClean Mop bucket. 2.Easy for Mopping: Using these mop head will help your mopping much easier: the soft microfiber can effectively absorb dust, hair or small particles when dry cleaning, or remove stains, waters or oil spots easily when mopping with wet cleaning. Usually for floor mopping, we can use a wet mop to clean the floor first, and then use a try mop to remove the streaking and water spots. Then the cleaning is done and we get a clean and dry floor. 3. Machine Washable: These Replacement mop heads for O cedar Spin Mop are made with high quality Microfiber, which is durable and last for long time use. It is also machine washable, which can save your energy and time after your hard housework, make your life better. And it is quite convenient to store mop that is clean and dry after machine washing. 4.Suitable for kinds of floors: The mop replace head can work with smooth surface floors, such as wooden floors, ceramic tile, laminate floors, marble floors, hardwood floors, glass floors, smooth stone and other sealed hard floors. It can also can use for washing your car. And dry mop can be used to clean walls or other places covered with dust efficiently.