Perfect Size : The perfect size heating pad ( 43x84cm) warms larger body areas simultaneously like back, neck, shoulders, abdomen, legs or even joints.Unique Safety Technology: Heating Pad adopt PTC heating wire protection system for safety heating. The unique overheat protection copper wire cover all of the heat pad.Soft Flannel and Machine Washable: The flannel fabric will contact you with great sense of comfort while efficiently preserving heat; After detaching the controller, the flannel pad is machine washable in water 40, maintaining hygienic and comfy use.Reassuring: Single circuit provides consistent temperature.If the local temperature of the blanket is too high, the power supply will be cut off automatically. Provides soothing body relax. Great for you provides safe warming comfort zone.