When immersed in water will swell up and become spongy, flexible yet robust pad that will not scratch. It is ideal for cleaning surfaces, chopping boards, baths, sinks, tiles and taps. It will last for months will normal use and when worn out can be composted. Measuring 10cm x 10cm approx. - as it is made of natural loofah plant, sizes can differ slightly. Has a convenient cotton string loop.