Armaly ProPlus 00608 FA/NS Grout Sponge, 6-1/2 in L, 4-1/2 in W, 2-3/8 in Thick, Polyester, Yellow

Made from an advanced sponge formulation that won't pull grout from narrow grout lines while providing a clean line finish. Using durable, high-quality materials that wipe and rinse quickly, this sponge is formulated for use on square edged tiles.