... Chest 1) Roto-molded, one piece, seamless 2) 60mm thick insulation PU layer 3) Food grade LLDPE. Rotational Molding Plastic Ice Box ... , Cooler Box, Ice Chest Features: One-piece, roto-molded polyethylene construction is ... construction, have no seams to fail, leak-proof.Food grade LLDPE material, eco-friendly, non-toxic, UV resistant, both hot ...