... insulation hold ice for days.2) Polyethylene exterior are high impact resistant, and will not rust crack or chip.3) Unique ... out. 7) Non-toxic, food standard, Non-fading, UV resistant polyethylene. 9) 8" fixed rear wheels and 5" swivel with ... ) Food grade LLDPE material, non-toxic, UV resistant, both hot and cold resistant, corrosion-resistant. 4) Thick polyurethane insulation layer, longer heat ...