... , good sealing performance, long thermal insulation time.The cooler box which insulation material is EPS often used for fast ... )5) Easy to take and widely used such as medical use, home use, outdoor use, transport use and ... available for keeping goods fresh during transportation,sports and medical treatment and so on, necessary as a good ... using.3) Reusable, Non-toxic, Non-caustic. 8L plastic cooler box