【One package for dual purposes】: Car home, easy to carry, temperature adjustable. Convenient and practical, can be used by hand or on one shoulder. 【Large capacity】: large built-in space, can hold up to 2L of potion, good load-bearing capacity, don't worry about too much potion. 【Material】: Environmental protection waterproof and flame retardant canvas fabric, alloy heating plate, fireproof glass fiber braided layer, anti-open flame, flame retardant, fast heating. 【Time setting】：You can set the time according to your needs, precisely control the temperature, and there will be no large temperature difference to avoid damage to the human body. 【Copper temperature probe】：The probe is composed of a high-precision temperature sensor chip and a copper shell. As we all know, copper is a good heat conductor. We use a copper cap to directly contact the liquid bag, which can best reflect the real temperature of the liquid bag.