Flannel cover Made in USA or Imported The Shoulder/Neck model is designed with a "U" shaped cutout that fits like a collar around your neck to more effectively deliver soothing moist heat to your shoulders and neck Uses a conventional switch. Competitive products require you to make constant contact with their switch Therapeutic treatment temperature between 88 degrees and 166 degrees Fahrenheit Digital hand control allows operator to program and monitor temperature and treatment time Automatic time control (1 - 60 min. timer) with auto shut off