Features: brand new and high quality Easy to use. You can use the USB interface power supply directly into jackets, vests and other clothes for heating, such as computers, power adapters or power banks (not included). Application areas: clothes, vests, waists, abdomen, pets, etc. Please avoid using central heating wire when sewing. Foldable, waterproof to a certain degree, evenly heated, washable, but do not soak in water for a long for time. Lightweight and portable, it is convenient to carry during winter camping or other activities. It is also suitable for people who are afraid of cold, they no longer worry about winter. Do not let yourself, infants or people who are not sensitive to heat come into contact. Do not use in a humid environment, please dry before use. It is strictly prohibited to use in uninhabited rooms. Package Includes: 1x Heating Pad Specifications: Material: Composite Fiber Weight: 34g Size: 15x10cm/5.91x3.94inch Color: Black/White note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.