... one piece, seamless 2) 60mm thick insulation PU layer. Rotational Molding Plastic Ice Box, Cooler Box, Ice Chest SPECIFICATION ... brand, or according to customers' requirement. Advantages:1) Rotational-molded (roto-molded) technology ensure impact resistance and long ... . 6) ODM&OEM are available.7) Seven years rotational molding technology experience.GuaranteeOne year quality guarantee. Free replacement ...