Brillo Estracell kitchen sponges are designed with unique fibers that dry faster, and rinse 10x faster than other sponges. Use a different sponge for each of your surfaces, so you can clean up without spreading bacteria around. This, plus the fact that bacteria won't grow on our Estracell sponges, makes them more sanitary. Sponge Type: Scrub Sponge; Material(s): Polyester; Shape: Rectangular; Width: 4.5".