Four microfiber mop pads, one great clean. The 16.5-inch Flat Mop Pads are sized for a real cleaning surface — wide enough to cover ground fast, designed to lock onto velcro mop bases without slipping mid-stroke. Machine washable and built to last through hundreds of uses. If you're mopping up pet hair, muddy paw prints, or tracked litter on a regular basis, having a four-pack means you're always ready without waiting for laundry. Reusable microfiber flat mop pads for pet owners who clean often.