ROBERTS/Q.E.P GROUTING SPONGES Professional extra large premium sponge for grouting and clean up. Unique hydrophiliated design provides high water holding capacity. Rounded edges minimize "digging out" or marring of grout. 7-1/2 in. L x 5-1/2 in. W x 2 in. H. Sold in a 2 Pack. Price posted for 2 Grouting Sponges.