Specifications Battery Included:No High-concerned chemical:None Material:synthetic fiber Features: 1. Warm and comfortable: the clothing heating sheet can adjust the temperature according to the body feeling and external environment, aiming to provide all-weather warmth and comfort. This product can provide you with necessary warmth in both outdoor activities and cold seasons. 2. Safe and reliable: our heating plates are made of materials, and the production process is strictly monitored to ensure the safety and reliability of products. 3. Low energy consumption: the clothing heating sheet adopts the latest scientific and technological design, which can provide the highest thermal efficiency with the lowest power consumption. This will not only save your electricity expenses, but also be more friendly to the environment. 4. Simple and easy to use: the design of the heating plate fully considers the convenience. With it, you don't have to worry about adjusting the temperature of clothes. 5. Lightweight and portable: this heating sheet is small in size and light in weight. It is not only convenient for you to use at home, but also can be easily taken to any place, making it convenient for you to enjoy warmth anytime and anywhere. Color:Black Size:as shown Material:composite fiber Package included:1 pc .