(Thermotex Therapy Systems) The Thermotex Therapeutic Neck System utilizes 2 infrared pads. The pads can be repositioned to treat either the upper or lower neck. The cover portion of the neck system is 100% nylon with a polyurethane coating, and is washable. The infrared pads themselves are not washable or flexible, therefore should never be washed or bent. Adjustable high/low power settings. Velcro fasteners to adjust fit.