Cleaning tools used to clean impervious surfaces. They can be made of a soft porous material which absorbs soap and water, tough synthetic fibers used to scour a surface, or coiled stainless steel to clean hardened stuck-on or baked-on materials. Don't fight baked-on, stuck-on messes - grab a Scotch-Brite Heavy Duty Scrub Sponge. With scrubbing fibers made from 100% recycled content, these long-lasting scrub sponges take on the toughest messes around the home.