Sunbeam Premium Queen Heated Mattress Pad with ComfortSet Controls Exclusive Technology - ThermoFine warming system senses and adjusts to delivery consistent warmth. Digital Auto-off Controls (2) - 10-hour auto off, 10 warming settings. Preheat feature warms cold sheets before bedtime. Fits Mattresses up to 18" Deep. Queen size: 60" x 80". Machine Wash and Dry. 50% Cotton/50% Polyester Top. 140-Thread Count. 5 Oz. Fill.