<p><b>How to Use:</b></p> <p><b>Heat Therapy:</b></p> <p>* Clean the microwave carousel firstly to remove any oil or food residue.</p> <p>*Then put on a clean, dry plate on the microwave carousel, and place the shoulder heating pads flat on the plate.</p> <p>* Microwave the heat pack microwavable for 60 sec the very first time. (For non-carousel microwaves, microwave the product for 30 sec the very first time, then rotate it 180° and microwave it another 30 sec).</p> <p>* Light touch the heating pad for neck before use. If not hot enough, increase the next heating cycle by 30 sec (Be patient, do not increase the heating time by more than 30 sec).</p> <p>*Expect 20 min heat therapy</p> <p><b>DO NOT OVER HEAT!!</b></p> <p><b>Cold Therapy:</b></p> <p>*Leave the shoulder wrap in the freezer for 4 hours. Expect 10 min cold therapy. You can put your neck wrap back into the freezer any time.</p> <p><b>Customer Service</b></p> <p>If there are any damages like burns, holes on the neck and shoulder heating pad, stop heating it immediately, and contact us for a firm solution.</p>