HealthSmart Electric Heating Pad has four heat options and can help relieve muscle soreness and tension with one of the four low to high heat settings. The pad comes with an automatic shut off timer that turns itself off after two hours for safety. The electric heating pad is made of flexible materials and can be used to relieve knee, hip, shoulder, period cramps, and pain associated with pregnancy. There is an included moisture sheet, dampen the foam insert and place inside the washable cover to produce therapeutic moist heat. The extra long cord has a reach of 9 feet to make the heating pad easier to use in a variety of situations. This heating pad is available in two sizes, 12" x 15" and 12" x 24". Sold by the each.