... 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 ... , Non-toxic, Non-caustic, No peculiar smell3.Panton color for liquid and box is available4.Your own design for shape ,printing ...