Reusable Instant One-Side Insulated Cold Pack - Use in first aid treatment of: Bumps & Bruises - Sprains - Fractures - Minor Burns - Snake Bites - Insect Bites - Minor Bleeding - Nosebleeds - Headaches - Toothaches - Fever - Backaches - Sunstroke - Dislocations - Fatigue - Itching - Cramping - etc