The K-Line Southern Pacific K-6457 Express Car is a realistic model of a Union Pacific Railroad reefer car in 1:48 scale. Made of plastic and designed for use on a three-rail system, this O gauge toy features a vibrant yellow color and is perfect for collectors and train enthusiasts alike. With the AC power type, this express car adds charm and detail to any model railroad layout, bringing the Southern Pacific Railroad to life in a fun and engaging way.