The mucoff expanding sponge is a spectacular product made from premium quality microcell sponge it has a contoured shape for maximum comfort whilst you39re cleaning the great thing about this sponge is it39s size it comes vacuum packed for easy initial storage but as soon as you open it it expands into a jumbo sized sponge making it perfect to clean anything muc off expanding sponge features premium quality microcell sponge contoured shape for maximum comfort and surf