The product is a vintage HO scale Rivarossi Rock Island #6577/3 RPO car #4326 60ft. Railway Post Office designed for model railroads. Made of plastic, this ready-to-go pre-built car is part of the transportation theme and features the branding of the Rock Island corporate road name. With a scale of 1:87 and a two-rail system, this collectible piece is perfect for railroad enthusiasts and collectors looking to add a unique and nostalgic element to their model railroad layouts. Comes in original box.