Battle Creek Deluxe Bed Warmer Features: Dual Temperature Switch: Heat the unit quickly then switch to low to maintain warmth all night. Fleece Cover: Adds a layer of comfort when unit is used above sheet. Dual Use: Fits on one side of the bed or at the foot of the bed for shared use. Out of the Way Placement: Tucks underneath sheet or mattress pad. Product Dimensions: 18 x 36.