Skil-Care Wheelchairs Foot Extender is designed to improve posture, provide support to control foot drop and keeps feet from slipping behind the footrests. It secures to the wheelchair footrest with quick-release straps, this cushioned wheelchair footrest extender protects lower leg against contact with wheelchair. Made from durable vinyl that is easy to wipe clean. Available in 3 different sizes to fit 16-inch, 18-inch and 20-inch wide wheelchairs and Geri-chairs, the cushions are removable to accommodate height of up to 4 inches.