The Uplift Seat Assist, models MED-UL100 and MED-UL300, is a seat cushion with lift that converts any chair to a seat lift chair for use by individuals with neurological, lower extremity, or mobility disabilities or arthritis who have difficulty rising from a seated position. The cushion is placed on any chair and the selector is set to the weight of the user. As the user begins to shift weight to rise, the seat automatically provides a supported, stable horizontal assist, lifting 80 percent of the user's weight. This cushion features a memory foam surface; a removable, washable incontinence cover; and a carrying handle. The unit collapses flat for transport or storage. OPTIONS: Washable polyester cover. DIMENSIONS (DxW): The base is 16 x 15 inches. The seat is 19 x 17 inches Height is 10 inches open and 2 inches closed. CAPACITY: 80 to 230 pounds (Model MED-UL100); 195 to 350 pounds (MED-UL 300). WEIGHT: 9 pounds. COLOR: The included cover is black; the optional cover is available in a choice of five colors. WARRANTY: One-year limited warranty.