The advantages of hand warmers
Hand warmer can quickly generate a lot of high-temperature heat to provide people with warmth, it is a large heat storage, hand warmer insulation time is long, reasonable structural features, the use of very convenient, is the ideal items in the winter warm hands, warm feet.
The disadvantages of hand warmers
Whether electrode baby warmer or electric wire baby warmer, if used carelessly, it will cause low-temperature burns, even if the skin for a long time and low-temperature heat source contact, is gradually developed into deep dermal and subcutaneous layers of tissue burns.