hot cold pack therapy,hot cold compress,ice heat wrap 1.CE,SGS,MSDS,EN71,FDA 2.Non-toxic,non-caustic,reusable 3.Eco-friendly 4.OEM isavailable 5.Microwaveable Product Instructions:For hot therapy: Heat for 2-5 minutes in a microwave stove with medium power and 20 seconds intervals for use as a moist heating pad. Or place the pack in boiling water with cloth below, note prevent the plastic bag from contacting the bottom of the pot for about 5Minutes.For cold therapy: Freeze it in a refrigerator for about 2 hours or more before use.If you prefer, simply store it in the freezer to use as a cold pack..Use before, during or after treatmentFUNCTIONS:The Hot Cold packs are great for muscular aches and pains, arthritis, sports injuries, swellings and thermal tension relief.The Hot Cold Packs can also be used for headaches, neck and back pain, stress alleviation, menstrual discomfort, relaxation, comfort and warmth.