Provides localized relief through the application of cold or heat, helping to alleviate discomfort associated with sports injuries, muscle and joint pain. The Master Aid Cold/Hot Pack Sport is a reusable thermal pad that allows you to alternate between cold and heat therapy, adapting to the needs of each situation. It is especially indicated to support recovery after sports practice and provide comfort in areas affected by trauma or muscle pain. In cold therapy, it helps relieve discomfort associated with bruises, sprains, muscle injuries, headaches, toothaches, fever, insect bites, nosebleeds, and minor burns. In heat therapy, it is indicated to provide comfort in situations of rheumatism, arthritis, muscle pain, sciatica, back pain, menstrual pain, and headaches associated with muscle tension. The pad can be heated in the microwave or in hot water for hot use, or cooled in the freezer or ice compartment of the refrigerator for cold use. It maintains the temperature for approximately 30 minutes, allowing for localized and prolonged application. Measuring 13 x 28 cm, it has a practical and flexible design, suitable for application to different areas of the body. It is reusable, making it a practical solution for home use or for use during sports activities.