It's huge. Sea salt hot compress bag is a kind of functional product, which consumes a lot of electricity. It has the effects of expelling pathogenic wind and cold, promoting blood circulation and removing blood stasis, and warming uterus. The electricity consumption of electric heating salt packet is about 1kWh/ hour, so the electricity consumption is large. Salt bags can not only achieve the purpose of massage and health preservation, but also greatly reduce the time cost of making sea salt hot compress bags.