Description:Large heating area design helps keep your feet warm in the cold winter. USB charging and washable design makes it more convenient to use.DIY adjustable design makes you can cut the length or size according to your needs. Soft EVA material makes you have a comfortable using experience.Made of high quality EVA material, it is durable.There are 2 sizes for you to choose.It can keep you warm for daily life, skiing, hunting, hiking, fishing and other outdoor sports.Item Name: Heated InsolesMaterial: EVAPower: 8WColor: BlackGender: UnisexVoltage: 5V/2AHeating Temperature: 40-50 DegreeCharging Modes: Power Bank, Socket, USBFeatures: Large Heating Area, USB Charging, WashableSize Details: Small Size Length: 230cm-255cm/90.55-100.39 (Approx.)Large Size Length: 260cm-285cm/102.36-112.2 (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x USB Cable1 x User Manual1 Pair of Heated Insoles