... Pack Manufacturer Cold & Hot Pack 1)Microwavable, reusable; 2)MSDS, CE, ISO13485 tested; 3)OEM welcomed Cold & Hot Pack Also known as: cold hot pack, gel pad, gel pack, compress pack, microwavable hot cold pack ... temperature) or 1 minute (if the gel pack is frozen) on high power. After this time, check that ... cramps. Contents: Trimethylene glycol, CMC, Water Cold & Hot Pack