This wet mop pad has a layer of microfiber for fluid retention, making it more bacteria-resistant than traditional foam mops. The polypropylene scrubbing strips make deep cleaning easier and more complete. Excellent launderability. Mop Head Type: Wet Mop; Application: Floors; Hard Surfaces; Mop Head Style: Microfiber Scrubber Pad; Mop Head Size: 18" x 5".