Scrub Sponges Scrub Fast, Rinse Clean And Resist Odors. Protective Coating Blocks Grease, Food Soil And Oil Stains. The Scotch-Brite Scrub Dots Non-Scratch Sponges Resist Odors With An Antimicrobial Agent Built Into The Sponge And Scrubbing Surface. Nonscratch Sponges Are Safe For Nonscratch Cookware.