Calming Heat Back Wrap by Sharper Image is a wearable, customizable, back belt heating pad that combines three therapies. Inflatable lumbar support, soothing heat, and massaging vibrations to turn any chair into your favorite chair. You can go about your day with comfort. With so many relaxing combinations to choose from you are sure to find the settings that suit your needs. Take relaxation to the next level with Calming Heat by using it to help relax your muscle aches, soothe your stiff joints, even helping to relieve menstrual cramps. Calming Heat with vibration has an optional massage setting that delivers a gentle massage to your affected areas, enhancing your heat therapy experience and helping to soothe your aches and pains in your back.