Mighty Thirsty® Mop's head is made of a revolutionary polymer compound made up of millions of super absorbent pockets that are specially designed to hold and trap dirt like a magnet to make cleaning easier. Our self-wringing mop features a five-roller wringer that rinses every drop and completely cleans the mop. The wringing process sees to it that there are no streaks left, so every part of your floor is thoroughly cleaned.