... 3.Eco-friendly material(PP,PE,HDPE...) Gel ice boxWe manufactured gel items more than ten years since our established in 1995 ... .Our gel item including:Gel cooler box,ice brick,intant hot or cold pack ... for keeping goods fresh during transportation, for all kindsof biology freezing reagents, medicine, blood plasma, bacteria, seafood, poultryand fresh food b ...