... product adopt high-tech biological materials, it is clean, non-toxic, and full of flexibility.2. Its content is ... in the US. 4. It is versatile, safe, non-polluting, and reusable.Characteristic:1. Its cooling capacity is ... large.2. It is non-toxic, tasteless, non-corrosive, non-anti-radiation, elastic and reusable.3. As ... your needs before freezing. instant ice pack for first aid