The MTH 20-94075 Railway Express Agency #305 R50B Reefer is a ready-to-go model designed for O gauge model railroads. This pre-built express reefer features a green color scheme representing the Railway Express Agency corporate roadname. Made of plastic and diecast materials, this 1:48 scale reefer is a great addition to any three-rail system model railroad layout. With a C-8 Like New grade and being manufactured in China, this model offers a realistic and high-quality piece for collectors and hobbyists.