Sponges use 3M's unique antimicrobial StayFresh technology integrated into every sponge fiber to resist the growth of bacterial odors through hundreds of uses. Stays fresh longer than other sponges. Resists odors after multiple uses. Resists staining caused by mildew. Long-lasting and durable. Strong, soft, and flexible when wet. Ideal for washing dishes, glassware, tabletops, appliances, and countertops. 4 oval sponges of assorted colors per package. 4.7'' x 3.0'' x .6'' (119 mm x 76 mm x 15 mm).