Uses a new oil-free, non staining formula that is safe for most surfaces. Great for sinks, bowls, faucets, strainers and shower bases. Stays flexible longer and will not crack or shrink. Cleans up quickly and easily. Perfect for any natural porous surface including: Granite, Marble, Quartz, Sandstone, Corian, Plastic or any other natural, porous surface. Not for use on ABS.