Libman Sponge Roller Mop, 51.5 in. features a heavy duty, tear resistant polyurethane sponge designed to be effective on floors, allowing them to dry faster. This mop includes an easy-to-pull wringer handle that removes more water with less effort and makes changing the sponge refill simple and convenient. Measuring 51.5 inches in length and 3 inches in width, it a practical and efficient cleaning solution for your home. Model Number: