The Cardinal Health reusable underpads are machine washable making it easy to reuse many times over. Even after many washes the underpad stays in shape. It is made with a quilted design which helps absorb the fluids and is specially made with material that helps keep it in place. They are made of great quality and absorbs up to 8 oz of fluid. The underpad can be used for people with incontinence issues, children, baby's and pets. The underpad can be used to protect many different surfaces including mattresses, bedding, sofas and furniture. It is recommended to purchase a few at a time so that you can use the other ones when the soiled ones are being washed. These come in many different sizes, including 23 x 36, 34 x 36, 34 x 36 with flaps, 36 x 54, 36 x 72 and 44 x 52.