Wavex Ultrafine 4" Foam Applicator Pads are used for easy and accurate application of mild compounds, car polish, car wax, and other auto care products. These polishing pads are made of premium quality specialized sponge that provides smooth, even application on all surfaces. Ideal for use on paint finishes, wheels, and tires, and on surfaces including leather, vinyl, and rubber. These versatile foam pads are machine washable and highly durable, giving you multiple uses from each pad. Use by hand.