Seat belt for those rare occasions where additional help is needed for safety purposes. Fastening straps thread through the side of seat and buckles behind the seat. Please designate the mesh color. Sedona II mesh is mixed medium and dark brown and replaced old Cognac and Sedona colored fabrics. The original Sedona is a solid dark brown. The original Cognac fabric is a medium brown color. Suede is a light tan color. The original Sedona, Cognac, and Suede colored fabrics have been discontinued but are available in limited quantities.