... is versatile, safe, non-polluting, and reusable.Characteristic:1. Its cooling capacity is large.2. It is non-toxic, tasteless, non ... pollution when it is thawing.4. Its effective use of cooling capacity is 3 to 4 times larger than ice.Applications ... . It is convenient, healthy, and can be widely used.1. Cooling medical high fever, anti-inflammatory pain. 2. Ancillary therapy such ...