* The Original * Relax * Microwave for Soothing Moist Heat or Chill for a Cooling Compress Treat tired muscles and soothe tension with the comforting warmth of moist heat therapy. Fragranced with essential oils and natural herbs to help your relax sore joints, restore tired muscles and revitalize your senses. Simply, microwave for soothing moist heat or chill for a cooling compress.