Features - Suitable for both cold and hot therapy (accepting temperature: -20 ~ 100 ° C) Cold treatment: Place the pack in the freezer for at least 10 minutes before each use. Hot therapy: Hot Water - Put the package in hot water (maximum 80°C) for 10 minutes Warnings To avoid frostbite or burn, always wrap the package in a towel before each use. Cold or hot treatment is generally recommended for no more than 20 minutes per use. When using as a treatment for postoperative shock, follow your medical practitioner's instructions. - If contents come into contact with skin or eyes, rinse immediately with water. If irritation or redness persists, consult a physician. Children should use this product under adult supervision. Remains soft and pliable after freezing, even at temperatures as low as -20°C Keeps hot or cold for at least 45-60 minutes. - Freeze - Reusable