ThermCool&Hot Knee Pack of Beads – MICROWAVE INSTRUCTIONS (1200W) 1. Ensure the pack is at room temperature before heating. 2. Place the pack flat in the microwave. Based on a 1200W microwave, heat on full power for 70 seconds. 3. Carefully remove the pack from the microwave and check that the desired temperature is comfortable. The temperature will continue to rise slightly. If additional heat is desired, return the pack to the microwave and heat for another 10 seconds, up to a total of 90 seconds. Monitor the pack while heating, as excessive heat may cause it to rupture, leak, or burn. 4. Knead the pack thoroughly to distribute the heat evenly. 5. If the temperature is comfortable, apply the pack to the affected area. If the pack is too hot, remove it and reapply it when the temperature is comfortable. 6. If you need to heat it further, repeat steps 1 through 5. Store it at room temperature for future use when warm. FREEZER INSTRUCTIONS 1. Place the pack in the freezer for at least 2 hours. 2. Remove the pack from the freezer. Test the temperature to determine your personal comfort level. If it is comfortable, apply the pack to the affected area. Note: As freezer temperatures vary, check your skin regularly during application to avoid frostbite. Cold affects people differently; always let comfort be your guide. The pack can be stored in the freezer for future use when cold.