Specification:

The bag is used to keep the liquid temperature and heating in minus 30°C environment. Once the plug connect the car power, it will heat, once the temperature reach to 38°C, it will automatically stop, once the inside temperature is lower than 25°C, it will heat again automatically.

Interlayer can be put 4 * 400 ml bottles.

Adopt air heating technology and ultra thick insulation layer.