hot/cold gel pack It is available for cold or hot compress. necessary as a good assistant forr every family hot/cold gel packApplicationCold compress: headache, fever, toothache, sunstroke, scald, muscle scuffing, sprain, trauma haemostasis, beauty etc.Hot compress: arthritis, rheumatism, menorrhalgia, stomach trouble, cervical vertebra trouble, sciatica, and strain of lumbar muscles etc. ...