... 3.Certification MSDS, CE, ISO13485 4.supply OEM cold hot pack Characteristics: 1. This product is made up of high ... can adapt to unlimited times of alternately cold or hot use after pre-cooling or pre-heating treatments. Indications ... sunstroke, scald, muscle scuffing, sprain, trauma haemostasis, beauty etc.Hot compress:arthritis, rheumatism, menorrhalgia, stomach trouble, cervical vertebra trouble, ...