Keep your windows and other glass surfaces sparkling clean with the IPC Eagle Pulex 18" Microtiger Window Washer Replacement Sleeve (VELL0109). The sleeve has acrylic microfibers in distinctive red and white coloring, designed to remove dirt easily using a tiny amount of detergent. The red fibers are abrasive, while the white fibers are absorbent. The dual action is enhanced by a scrub pad on one end of the sleeve to help remove tough dirt