Replacement Pads for Shark Steam Pocket Mops Pads S3550 S3501 S3601 S3901 (12" Wide) (6) 1. 100% brand new and high quality aftermarket item 2. Perfect for Shark Steam Pocket Mops Pads S3550 S3501 S3601 S3901 3. No scrubbing side, both sides have the same material. This is Not Shark original pad, but works great 4. The pads like a pillow case has hook & loop to close. Pads have a loop that help remove them from the mop 5. Works on wooden floors, ceramic tile, laminate floors, marble floors and other sealed hard floors. Strong water absorption, dry fast, effective cleaning. Washable and reusable steam pocket mop pad for daily use