Thermophore Standard 14 x27 Moist Heating Pad No water needed...produces its own moisture from the air for the intense moist heat that doctors recommend * Intense moist heat means faster relief * By increasing circulation and blood flow it can treat arthritic and rheumatic pain pain caused by muscle spasms or inflammation after a day of recreation gardening jogging or even household chores * An instant On/Off switch is easy to control so you can comfortably maintain the highest temperature for the most effectiveness * Electric: 120V / 80W * Size: 14 x 27 * Mfg Model #: 055 * Shipping Carton Size: 18 L x 16 W x 4 H