Mabis Healthcare Moist/Dry Heating Pad General Purpose Reusable (1237891_EA) 1/EAFlexible heating pad relieves knee, hip and shoulder pain as well as cramps. Find relief from pain and tension with one of the four heating settings. Moisture sheet: Dampen the foam insert and place inside the washable cover to produce moist heat. For safe use, the automatic shut off timer turns the heating pad off after 2 hours of use. Heating pad is 12 x 14 inches. Its electrical cord reaches 9 feet for easier access in any resting position.