5V USB Electric Cloth Jacket Heater Pad Heating Winter Thermal Winter WarmMaterial: Composite FiberSize: 7 x 11cmPackage Included: 3PCS/5PCS/8PCS x USB electric heating pad (depend on your choice)feature:1. Simple and convenient to use. It can be directly put into clothing such as jackets and vests, and use 5V 2A power supply, such as a computer, power adapter or mobile power supply (not included) for heating and heating.2. Application fields: clothes, vests, waist, abdomen, pets, etc. Avoid the central heating wire when sewing.3. Foldable, waterproof to a certain degree, evenly heated, and washable, but do not soak in water for a long time. (The cloth is stuck together, so long-term soaking may affect the adhesion of the glue.)Manual measurement has a difference of 2-3%.Please check the measurement chart carefully before purchasing the product.