It is non-toxic, tasteless, non-corrosive, non-anti-radiation, elastic and reusable. Biological Ice PackFeatures: 1. The product ... large.2. It is non-toxic, tasteless, non-corrosive, non-anti-radiation, elastic and reusable.3. As a new frozen medium ... , and can be widely used.1. Cooling medical high fever, anti-inflammatory pain. 2. Ancillary therapy such as cold compress facial, sprains ...