Key Information: ‣ Size: Standard size ‣ Uses: Provides both hot and cold therapy for pain relief. Use it cold to reduce swelling and inflammation or heated to relieve muscle aches and stiffness. The versatile pack is ideal for treating injuries, headaches, and post-surgery recovery. ‣ Directions: Heat in microwave or cool in refrigerator per instructions provided, test temperature before use. ‣ Warnings & Precautions: Always use a cloth or cover between the pack and skin to avoid burns or frostbite. Do not overheat the pack in the microwave. Keep out of reach of children.