1 Pair 31x11cm Insoles Electric Battery Heated Insoles Feet Warmer Shoe Insole

Specifications: Material Carbon fiber Color Black Power supply 3 x AA battery (not included) Voltage 4.5V Heating range 35 yard line range Temperature 50 degrees at room temperature Dimension 31 x 11cm / 12.20 x 4.33inch Thickness 5mm / 0.19inch Straps length 36cm / 14.17inch Features: Electric heated shoe insoles battery warmer ski boot foot heater. With easy to use, high fever temperature, long service life and so on. Keep your feet warm, play a role in promoting blood circulation and other health effects. Can be cut according to their insoles size but not cut to the smallest yards or less. Package Included: 2 x Heated insoles 2 x Battery boxes 2 x Straps