TheraPearl was designed specifically for optimal therapeutic benefits by a renowned doctor for patients in her practice to combat the inflammation of minor surgery. This unique product brings you the healing powers of HOT and COLD therapy. They cool perfectly for that post-workout preemptive strike against pain and inflammation, and they gently get blood flowing when the lower back says to warm it up a notch. The Oval Contour TheraPearl Pack is ideal for hands, shoulders, and breasts. 2.75 x 5 Perfect fit for: Sprains / Muscle Aches Workout Sorenes Swelling / Puffines / Bruising Arthritis Relief Hot Flashes Toothaches Migraines / Headaches