Clay is more effective than gel hot & cold packs. Use cold: For temporary relief of Sprains & Strains, Bumps & Bruises, Sports Injuries, Headaches, Toothaches, Insect Bites, Fevers Use Hot: For temporary relief of Aches, Arthritis, Back Pain, Menstrual Cramps, Joint Stiffness. 

Place pack (not in fabric cover) in the centre of microwave. Flatten the pack and ensure clay is evenly distributed. Heat on HIGH power setting for the time indicated below. 1200 Watt - 45 seconds; 1000 Watt - 1 minute; 800 Watt - 1 minute, 15 seconds; 600 Watt - 1 minute, 30 seconds If microwave does not have a turntable, rotate the pack 90⁰ halfway through heating. Carefully test pack temperature prior to use. If it is too hot allow to cool to desired temperature. Maximum temperature of the pack is reached approximately 3 minutes after removal from microwave. If a hotter temperature is desired after this time, heat in microwave for 15 seconds at HIGH power and test again. Repeat this process until desired temperature is reached. Place the pack is in its fabric cover before applying directly to skin.

REHEATING: If the pack is to be reheated after 30 minutes of use, follow the above instructions but reduce the time by half. HEATING FROM THE FREEZER: Place pack (not in fabric cover) in the microwave on DEFROST or 30% power for double the amount of time in the chart above. Allow to stand for 5 minutes, then follow the normal heating instructions.

TO USE COLD: Place pack (not in fabric cover) in a freezer. The pack will reach the temperature of your freezer after one hour, however it will remain flexible. Place the pack in its fabric cover before applying directly to skin.