• Made of nanometer carbon fiber + EVA made, brings strong warm keeping feeling • It can be cut to size from 23cm - 28cm, according to your need • With a Velcro cover each one, better warm keeping effect • Two energy saving battery box with independent IC circuit design, it can control discharging of circuits, safer to use • Powered by 6 x AA changeable battery (not included in the package), you can use it 4 - 6 hours under the energy saving mode
29.000 x 9.000 x 0.700 cm / 11.417 x 3.543 x 0.276 inches
30.000 x 19.500 x 4.000 cm / 11.811 x 7.677 x 1.575 inches
1 x Portable Charging Insole
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