... Professional Gel Pack Manufacturer Reusable Hot/Cold Pack 1) Microwavable, reusable; 2) MSDS, CE tested; Reusable Hot/Cold Pack Also known as: cold hot pack, gel pad, gel pack, compress pack, microwavable hot cold pack, etc ... relief of headacheReducing fevers CAUTION:Whether used HOT or COLD, it is advisable to check that the ... cramps. Contents: Trimethylene glycol, CMC, Water Reusable Hot/Cold Pack