Say goodbye to aches, pains and soreness with the Moist/Dry Heat Therapy Heating Pad. Super-fast heating penetrates hurting muscles and cramps in seconds! The electric moist heat pad makes its own wetness by drawing moisture from the air to the flannel cover and then to the cooler treatment area. This quality heating pad is perfect for pain relief. Add water to the sponge for moist heat: remove sponge for dry heat. Choose from four heat settings to customize your experience and maximize relief. Worried about forgetting to turn it off? No problem! This heating pad includes an automatic shut-off after two hours. The heating pad measures 12" x 15" and comes with a 9 ft. power cord for convenience. And when you need to clean the cover just toss it in the washing machine. This heating pad is sure to provide you with long-lasting comfort during those times of soreness or discomfort. 110V.