Kraft Tool Co.® ST135 7.5" x 5.5" x 2" Extra Large Hydra Grout Sponge 24 per Case. This durable sponge is extra absorbent for lots of utility. This all-purpose sponge is great for grouting or cleaning. Rounded edges allow for smooth, clean professional edges when grouting. The softness of the sponge prevents digging, scratching or marring of new grout while cleaning up the tiles around it. Hydra sponge has a large water holding capacity. Use to wash, wipe, or rinse away dirt and material. The soft extra large, 7-1/2" x 5-1/2" x 2" sponge fits comfortably in your hand. Must order in quantities of 24, priced individually.