DB-B6 Electric Blanket (Multicolour, Double Bed, 60x60-inch) DERBY Electric Blankets are time examined,Safe and Comfortable. It radiates heat from beneath inducing deep restful sleep even in the coldest of winter nights. The heat therapy relaxes the tired back and legs muscles. It helps ease stiffness and soreness and allows you to wake up feeling rested and fresh. . To be used below head portion of the body. It is advised to not wash or dry clean electric blankets.For more details of usage please read product catalogue inside packing carefully and use it as per directions .