"The package includes 4 pieces of steam mop replacement pads suitable for S3500 series S3550 S3901 S3601 S3501.The use of high-quality soft microfiber fleece cloth, good cleaning effect, strong water absorption capacity. Sandwich mesh linings release steam more easily. The velcro with elastic opening ensures a perfect fit.Features: Reusable, durable, machine washable, quick-drying, effective cleaning, high water absorption, strong detergency, scratch resistance, no hair removal, easy to install and replace.These durable multi-purpose steam mop pads can clean all sealed hard floors such as marble, laminate, tile and wood floors. It is very suitable for the daily cleaning of your home/house/room/kitchen/office floor cleaning.Satisfy your needs. If you have any questions about the steam mop replacement pad, please feel free to , we are committed to providing the best quality products and efficient customer service."