... to the applied place Personal healthcare product supply OEM reusable hot/cold pack ApplicationCold compress: headache, fever, toothache, ... , scald, muscle scuffing, sprain, trauma haemostasis, beauty etc.Hot compress: arthritis, rheumatism, menorrhalgia, stomach trouble, cervical vertebra trouble ... can adapt unlimited times of alternately cold or hot use after pre-cooling or pre-heating treatments. ...