2 pcs All-Purpose Microfiber Steam Mop Pad Replacement Dust Cleaning Pads for Shark Pocket Mop S3550, S3551, S3601, S3801CO, S3901 Size:12.5"*6.69"(32cm*17cm). For Shark Steam Pocket Mops S3550, S3551, S3601, S3801CO, S3901 Microfiber material for effective cleaning. Strong water absorption, dry fast. Work on hardwood, laminate, tile, wood and other hard surfaces, carpet . Washable and reusable Two mop pads per pack