Usage Tips:Fit Model : The Steam Pocket Mop pads perfect fit with Shark S3501 S3550 S2901 S3901 S3601 S2902 S3455K S4601 S4701 to get your floors thoroughly cleaned. Honfa Shark steam mop pad size: about 32x17.5cm,micro-fiber mop pads help leave floors clean and dry. Advantage : Hongfa mop pads are provided with strong water absorption, Easy to attach, long-lasting, dry fast, germ-proof, reusable for without fading in high temperatures, many times without shedding, change, wash, tumble or line dry. Hongfa Shark steam mop replacement pads : Constructed to access all hard-to-reach crevices in a floor surface, triple-layer design and ultra soft pad won't scratch or smear floor surfaces. Replace used and worn out pads, machine washable for repeated use, easy to attach Package: 4 pcs for Shark s3501 series white microfiber cleaning pads,1pcs free s cleaning brush and HongFa best services. Only Shop-Hongfa sell Hongfa manufactured products, please kindly confirm shop name "Hongfa" before order, thanks for your supporting.