Complete Coverage Design- 24"x 39"Large heating pads offer complete coverage along contours of shoulders and back.It can effectively warm your shoulder and neck also can be placed on your legs to heat you body. 3 Heat Modes & Auto Off-The heating pads for neck and shoulders have 3 personalized temperature settings: 113F-158F, you can choose the most suitable temperature mode according to your physical condition. 1.5 hours auto-off can protect you and your family without worrying about the risk of forgetting to turn off the heated pad. Safe & Washable Fabric- The heating pad for back is made from skin-friendly flannel + nonwoven fabric.The non-irritating gentle material cares for your body, just like wearing a vest. The heating pad also supports machine washing, freeing your hands. 3S Fast Heating - Full body heating pad with fast heated technology can get warm in 3 seconds.Even in the cold outdoors, it will make you feel like you are next to a warm fireplace. It can be worn under the jacket, allowing you to enjoy the warmth at all times. High-Quality & Safe Products- The heated neck wrap has obtained ETL certification and meets Oeko-Tex standards,which illustrate the quality; both machine washable and hand washable, so you always have a clean and warm heated pad.