The Lionel 6-17311 Railway Express Agency Standard O Reefer is a model train box car manufactured in 1996. This green reefer features diecast plastic construction with a plastic base, weighs 1.5 lb, and is part of the Three-Rail System. It is part of the Transportation theme and has a vintage look, suitable for collectors and hobbyists interested in model railroads and trains. The pre-built box car is ready to go and ideal for enthusiasts of Lionel brand products.