... PU insulation layer. SpecificationsIce Cart Ice Caddy. 1) Roto-molded, one piece & seamless 2) Food grade LLDPE, non-toxic 3) 2 ... roto-molded) technology ensure impact resistance and long-term durability. One-piece, seamless construction, have no seams to fail, leak-proof ... LLDPE material, eco-friendly, non-toxic, UV resistant, both hot and cold resistant, corrosion-resistant.Thick (2.3'') polyurethane ...