12x24Moist/Dry Heat Pad

Sunbeam, 12" x 24", King Size, Moist Heating Pad, With Ultraheat Technology Maintains Consistent Heat For Greater Comfort, 3 Heat Settings Ergonomic Controller With 2 Hour Auto-Off, Absorbent Sponge For Penetrating Moist, Deep Heat Relief, Sky Blue Machine Washable Cover, Re-Usable Storage Bag.