• Natural and drug-free therapy for relief of discomfort • Cold helps reduce swelling, inflammation, and pain • Heat helps reduce pain, soothes and relaxes muscles • Reusable bag with non-toxic gel, safe for the whole family • Made without natural latex • Can be used both hot and cold, adapting to different therapeutic needs • Cools in freezer or refrigerator and heats in hot water or microwave • Includes protective cover for quick, easy, and comfortable application, protecting the skin • Apply to the affected area for as long as is comfortable • Use cold for tension headaches, fever, acute injuries, sprains, mild bruises, or swelling • Use heat for neck and shoulder stiffness, arthritis without acute inflammation, feeling cold, lower back pain, menstrual pain, knee or leg muscle stiffness, stomach pain due to muscle tension • Ingredients: synthetic gel • Package contents: 1 reusable gel bag with protective cover