REMOVES OVER 99% OF BACTERIA W/ JUST WATER: O-Cedar's EasyWring RinseClean Microfiber Spin Mop provides a deep-cleaning solution for all your at home needs by effectively removing dirt, grime and over 99% of bacteria with just water!ALL HARD SURFACES: Safe for all hard flooring surfaces, including hardwoodGENTLE YET EFFECTIVE ON FLOORS: Made of 100% microfiber for streak-free cleaningCLEAN HARD TO REACH PLACES: Triangular mop head allows for better corner cleaningMACHINE WASHABLE: Our mop head is machine washable and reusable!For optimal cleaning results, replace mop head refill once every 3 months