Heat or Cold Therapy - Simply heat a moist heating pad in the microwave for hyperthermia or cool microwave neck and shoulder wraps in the freezer for cold therapy.Contours to your body and stays in place - With a high neckline, extra wide shoulders, extra long chest coverage and a back profile, this neck heating pad fits around your neck and shoulders for total comfort.Free-hands - Our shoulder ice pack have 2 snap fasteners in the front. This can secure around the neck and shoulds. You can move about without the ice pack slipping off your shoulders.Ice Pack for injury - Relieves pain bruises and swelling around muscles, joints and tendons on the neck, shoulders, and upper back. Great for muscle spasms, chronic disc, shoulder rotator cuff Tear.Easy to Use - Working at your desk, sitting on the couch, preparing for a meal, or even driving, this neck warmer or cooling pack provides maximum comfort and effective pain relief.