Car sponge, car duster, car brush: Material: microfiber chenille, 100%polyester Size: Diameter:11/14cm or other size Car sponge, car duster, car brush:Material: microfiber chenille, 100%polyesterSize: Diameter:11/14cm or other customized size1. Highly water absorbent2. Super soft, no shedding and no scratching3. Easy to clean after use