The new MU Kitchen 2 in 1 scrub sponge set is made from a revolutionary microfiber, One side has a durable scrubbing surface, while the other has super soft printed microfiber, Tough on dirt, but safe for nonstick cookware, Microfiber is softer than silk and stronger than cotton, This sponge is so well crafted, it renders harsh cleaning chemicals entirely unnecessary, One side has durable scrubbing surface, while the other has super soft printed microfiber, Tough on stains, but safe for non-stick surfaces, Cleans without harsh chemicals, Set includes 2 sponges, SKU: MUKT107