Soothe away your aches and pains with the Bluestone King Size Moist/Dry Heating Pad. The 12" x 24" pad is twice the size of normal heating pads and heats up quickly and is ready to use within minutes. Includes a removable absorbent sponge for penetrating, moist deep heat. The easy to use push button LED lighted controller features four temperature settings – high, medium, low and warm. A soft blue cover is removable, machine washable and snaps closed to keep in place. For your convenience, the heating pad will automatically turn off after 40 minutes. This heating pad features a 9 foot extra-long cord allows you to achieve optimum comfort.