SPONGE HYDRA FINE PORE BODY, has tremendous water-holding capacity, washes out clean, dries soft and pliable, and is uniform in size. Super absorbent, never hardens and has a polyester base for durability. Fine Pore Body Bath Sponge is a rectangular general purpose sponge great for bathing and tack. Medium measures 6-1/2"Wx2-1/8"Hx4-1/4"D. Large measures 7-1/4"Wx 2-1/4"Hx5-1/8"D.