Key Information ‣ Size: 10 X 26 Cm ‣ Uses: Designed To Provide Relief From Pain, Reduce Swelling, And Promote Healing. Suitable For Muscle Strains, Sprains, And General Aches. ‣ Directions: For Cold Therapy, Freeze The Pack For At Least Two Hours. For Hot Therapy, Heat In The Microwave According To The Instructions On The Package. Always Wrap The Pack In A Cloth Before Applying To The Skin To Prevent Burns Or Frostbite. ‣ Warnings & Precautions: Check Temperature Before Application. Do Not Apply Directly To The Skin. Do Not Use For Prolonged Periods; Follow The 20-Minute Rule.