Medic Air Lumbar Roll Recreation and Exercise Patented Duplex aircell system to Style:1 Pair (Left & Right) Patented Duplex aircell system to enhance circulation and reduce swelling * Universal semi rigid shells prevent further injury while allowing normal ambulation * Pre Inflated aircell and adjustable heel pad for easy fit * Indications: Ankle sprain & chronic ankle instability * 1 Year model * 7 x15 * This weight sensitive pressure pad is for chair monitor use * When connected the pressure pad will trigger the monitor when weight is removed from the pressure pad alerting the caregiver to respond * The alarm will automatically reset when the patient returns to the safe position reducing false alarms * All pads are constructed with durable vinyl cover moisture resistant and easy to clean * Classic chair sensor pads can be used on a variety of chairs and wheelchairs * 20 x 8 * Air filled lumbar roll adjusts to shape of back and chair * Portable includes carry case and adjustable positioning strap * Guaranteed for one year * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm *