Refill sponge for Casabella Flex Neck Tub-n-Tile Scrubber (model no. 14225). Durable sponge with tough, textured surface. Scrubs away mildew and soap scum. Designed for cleaning showers and tubs. Measures 4 by 6-Inch. Casabella cleaning tools, kitchen and bath accessories and organizing products have received numerous design awards and industry recognition for beautiful design and high quality workmanship.