Reusable Hot & Cold Compresses. Hot & Cold Compresses are specially designed to easily and comfortably apply hot & cold packs to areas with pain in the body. HOW TO APPLY COLD PADS TO HELP REDUCE SWELLING AFTER ANY INJURY, LOWERING BODY TEMPERATURE REDUCE HEADACHES AND PAINS TEETH AND SOOTHE SUPERIOR BURNS Instructions 1. Store the packages in the freezer until you are ready to cool down on affected place, please put the bag gel in the refrigerator at least 2 hours before use. 2. Insert the packages into towel or cover to keep it cold, if multiple injuries, put a wet towel before applying the packages for extra cold, do not use the compress directly on the skin after taking it out from the freezer. 3. Leave the compress on affected place for 15: 20 minutes, repeat every hour to 1.5 hours if necessary. Consult your physician for extended use. Hot pumps are used for temporary relief of muscle and joint pain, discomfort discomfort discomfort and menstrual cramps. Directions How to Use Hot Compresses: - 1. Boil about 4-5 of water. 2. Raise the water from the fire. 3. Submerge the compounds into perforated water for about ten minutes. 4. Lift the pouches from boiling water, always place hot or cold packs inside towel before applying to skin. First: - Microwave heating method because the microwave is different in strength, you need to set the appropriate temperature timer carefully. 1. Before inserting the packages into the microwave, place the patches flat and evenly distribute the gel into the pack. 2. If the bag is room temperature, heat the packages for 50 seconds then stop for 50 seconds, if you want more heat, heat up for 10 seconds to reach your desired temperature. 3. If the cold packages heat up for 75 seconds, stop for 75 seconds, if you want more heat, gradually heat the packages 10 seconds additional and stop each time with the same time heating to reach the appropriate temperature. 4. Record the heating time for future use. Size: 27cm * 17 cm.