[Fit Models] --- The upgraded mop pad is only for Roborock S8 Pro Ultra robot vacuum. [VibraRise 2.0 Pads] --- VibraRise 2.0 mop pad has dual vibration cleaning modules and is made of high-quality microfiber, which has good water absorption ability and can removes dirt efficiently without damaging the floor. [Efficient Cleaning] --- The mop fabric contains silver ions, pads can remove more than 99% of tiny particles and smells. The mop pad is machine washable, keep the effect of silver ions even after repeated washings. [Fit for All Hard Floors] --- The replacement mop can be used for all hard floors such as parquet, tile, marble, laminate. In order to maintain the cleaning performance of the sweeper, it is recommended to replace it every 2-3 months.