HIFROM(TM Washable Microfiber Mop Pads,4 pcs Cleaning Pads Replacement For Shark Steam Pocket Mops S3550 S3901 S3501 S3601 (11.4"x7") 1. Size: 29x18 cm( 11.4"x7"). HIFROM focus on provide high quality mop pad at fair price, Professional technical support; if you unsatisfy with our product, you can return to our USA warehouse, no risk. 2. High Quality replacement steam microfiber mop pads designed for use with shark steam pocket S3501 S3601 S3550 S3901, for Hard Floor Surfaces Such As Laminate, Tiles, Linoleum, Marble, Slates, Ceramic, Vinyl, Hardwood & More. 3. Microfiber material steam mop pads have a strong cleaning capacity, loosens and lifts dirt and grime from floorsultra soft, won't scratch or smear floor surfaces, strong water absorption, dry fast, without fading in high temperatures 4. Easy to attach, replace used and worn out pads, Its opening is designed with hook and loop to close/open. Pads have a loop that help remove them from the mop. 5. Replace microfiber steam mop pads designed for use with shark S3500 series, S3501, S3601, S3550, S3901, S3801, SE450, S3801CO, S3601D, S2901, S2902, S4601, S4701, S4701D Electric Steam Mop