Ice Box, Cooler Box, Ice Chest 1) Roto-molded, one piece, ... layer 3) Food grade LLDPE. Rotational Molding Plastic Ice Box, Cooler Box, Ice Chest Features: One-piece, roto-molded polyethylene ... minimum of two inches of polyurethane foam throughout the cooler body (2.5'' in the lid) provides ... reliabilityWe provide OEM service for all kinds ice box/ice chest/cooler/chilly chest, please come us to discuss ...