... unlimited time gel hot cold pack with gift Product details 1. This product is made up of high polymeric compound and ... 3. It can adapt unlimited times of alternately cold or hot use after pre-cooling or pre-heating treatments. ... Indications:Cold compress:headache, fever, toothache, sunstroke, scald, muscle scuffing, sprain, trauma, beauty etc.Hot compress:arthritis, rheumatism ...