Clean more floor, more quickly, with this 11 in wide sponge made especially for the professional cleaner. Featuring Super Cell Sponge™ technology - a dual layered cellulose sponge for maximum absorbency. The durability of cellulose provides deeper cleaning on hard flooring surfaces. Cellulose absorbs more water off the floor with less mop passes so floors dry faster! the patented built-in front scrubber helps remove scuff marks and stubborn stains. Once you are done, you'll love our patented butterfly squeezing action designed with oversized nylon rollers which reduce hand fatigue during wringing.