Hydra Professional Grouting Sponge is packed in polybag and using for ceramic floor or wall tile grouting and clean-up. Hydrophiliated design provides high water-holding capacity. Rounded corners minimize the chance of marring grout. Works for any clean up job around the home or office XL size for convenience. Size 7-1/2 x 5-1/4 x 2-1/4in (125 x 190 x 60mm)