Get this powerful refill to revive the leading edge effectiveness of your Easy Wring spin mop and bucket system anytime. Made of 100% microfibre the mop head removes +99% bacteria with just water. Its triangular mop head moves easily inside corners and under furniture. This refill is also reusable and machine washable. Simply throw in the machine and lay flat to dry. For a better performance change refill every 3 months.