Soothing 2-in-1 Moist Heat and Cold Therapy. Moist Heat Therapy helps relax stiffness, improve flexibility and relieve pain. Use for sore muscles, joints and arthritis. Cold Compress Therapy helps treat swelling and inflammation, relieve pain and speed recovery. Use for sprains, strains, bumps, bruises and headaches. Features an adjustable hands-free strap for a comfortable, secure fit.