Wise 8WD1414 Universal Series 10" Base Jump Seat is ideal for replacing worn out seats on your runabout, ski boat or fish n' ski model. Injection molded plastic frame. Marine grade UV and mildew treated vinyl, high compression foam padding. Colors match with Wise Lounge Series 705, 707, 505, and 521. Seat cushion is removable for underneath storage. Mounts directly to boat floor. Easy assembly. Not to be used as free-standing seat.