Feature:
【Soft & Durable】- The insole is made of soft nap, and the wrapping edge is delicate, skin-friendly and breathable.
【Rechargeable】- With battery boxes or 2*2200mAh batteries(Optional)
【Fast Heating】- Soft carbon fiber heating coil, EVA insoles material, uniform heating, high heat conversion efficiency, rapid heating.
【Safe Temperature】- 40℃-50℃ high temperature lasting heating, long service life. Low voltage, energy-saving and environmental protection, comfortable and safe.
【Cuttable & Washable】- Cuttable insole size according to the size of the inner length of the shoes. Need to be washed by hand, not machine washable.

Specifications:
Product model: SDO-HI001
Product Name: Electric Heating Insoles
Insoles Material: EVA
Heating Material: Carbon Fiber Heating Coil
Function: Foot Warmer, Breathable deodorant, free cutting, with high quality and durable performance
Temperature: 40℃-50℃ (It depends on the environment)
Applicable Shoe Size: 35-45(Cuttable)
Size: DIY Cuttable Insoles Size
battery capacity: 2200mAh
Bandage Size: 35*11*4.4cm/13.8*4.3*1.7in
Note: The heated insole needs to be powered on to generate heat. They have to be plugged in to stay warm.

Package List:
1 * Pair of Heating Insoles
1 * Pair of Bandages
1 * Pair of Battery Boxes or 1 * Pair of 2200 mAh Battery(Optional)

How to wash?
Can be washed but not machine washed.
You can use detergents appropriately, and gently wipe the dirty insoles with a soft sponge. Try to avoid getting the wires and battery box into the water.