Reduce your energy bills while being comforted by the warmth of the Woolrich heated sherpa mattress pad. The cozy sherpa material provides a soft base, while 5 different heat settings allow you to adjust the pad to your perfect temperature. A 10-hour automatic shutoff and overheating technology provide peace of mind, making this machine washable pad an optimal addition to your bed for the coldest nights. # of Controllers: 1 Features: Temperature Regulating, Heated Bed Size: Twin Fill Weight: 11 oz. of Fill Mattress Depth: Up To 17 In Deep Care: Machine Wash, Tumble Dry Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported