SCRUB, FLIP, WIPE - Scrub Mommy is a two-sided sponge, with each side performing a different role. Use the FlexTexture side to scrub off debris, then flip it and use the soft ResoFoam side to soak up liquids and wipe the surface dry. SCRATCH FREE - Scrub Mommy is safe to use on over a dozen different surfaces, including glass, stainless steel, cast iron, and non-stick coatings TEMPERATURE CONTROLLED SCRUB - Scrub Mommy's FlexTexture side becomes firm in cold water for tough scrubbing and soft in warm water for light cleaning. ResoFoam side is 6x more absorbent than the leading brand and produces 60 percent more soap suds. Odor resistant and dishwasher safe.