Traditional vinyl covered molded cushion for added comfort. Tough heavy-duty vinyl. Features steel pan with trimmed edge. Drain hole with and contoured for air flow. Safety switch cavity. Traditional Style replacement Seat. Bolt Patterns (width x depth):7.5" x 1.625", 7.5" x 3", 7.5" x 7", 8.25" x 5", 11.25" x 11"