This multi-purpose ice/heat bag effectively relieves injuries, sprains, and muscle soreness by decreasing pain, inflammation, and promoting healing. Its leak-proof construction prevents spills and condensation, offering comfort and dependability. The flexible exterior molds to your body for a gentle and easy use, while the large opening and screw-on cap simplify filling with ice cubes, crushed ice, or hot liquids (not boiling). Suitable for both hot and cold therapy.