The Nexcare™ ColdHot Therapy Pack Classic provides natural, drug-free relief using the therapeutic power of cold or heat. Designed for versatile use, this non-toxic gel pack can be cooled in a freezer or refrigerator to reduce swelling, inflammation, and pain or heated in hot water or a microwave to soothe and relax muscles. It includes a protective cover for safe and comfortable application, ensuring the gel pack is gentle on the skin. Ideal for acute injuries, muscle stiffness, arthritis, and period pain.