Check the listing for details. Extra Large 7.5 In. W Polyethylene All Purpose Sponges (3-Pack). Condition: New. Listed at 6.70 USD. Perfect sponges for cleaning grout, during tile installationOversize sponge allows for more holding capacityGreat for grout, household, auto, boat and RV cleaning The 3 pack of Extra Large All Purpose Sponges are the perfect sponges for cleaning grout during tile installation. The sponge is designed with rounded corners to prevent digging out or marring grout joints. Their extra-large size provides more sponge surface for grout holding capacity during clean-up, making your job as efficient as possible. The rugged mesh structure will hold up to the tough task of cleaning grout, and also allow for easier sponge rinsing in the water bucket during clean-up.Designed for grout clean-up during installationRound corner design prevents digging grout out of joints during clean-upPerfect for residential and commercial cleaningAlso great for household, auto, boat and RV cleaning