The Warming Store ActionHeat AA Battery Heated Scarf Strategically placed heating elements located on the back of the neck Reaches a comfortable 120F and lasts up to 4+ Hours. Weather resistant fleece & cozy fleece lining provides warmth, comfort, and versatility The AA fleece scarf is perfect for walking the dog, shoveling snow, going to a ballgame, hunting or fishing, or any outdoor activities. Includes: (2) ActionHeat Heated Fleece Scarf, (2) Power packs (Batteries Not Included)