Petite 4 x 17. Classic easy-comfort switch that needs to be held down in order to keep the pad on. Produces intense moist heat without adding water. Electric heating pad. Cord length: 10 feet. Fast-acting therapy relieves pain and stiffness for hours. Thermophore is the moist heat pad doctors recommend most. Max temp: the pads cans run between 150 to 165 degrees f. Neck ( cervical ) and shoulders heating pad. Flannel machine washable cover. Excellent retail packaging. Hcpcs suggested code: e0215.